Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Detail)

v2.4.0.8
Fair Value (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended 6 Months Ended
Jun. 29, 2013
Dec. 29, 2012
Jun. 29, 2013
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Fair Value, Measurements, Nonrecurring [Member]
Jun. 29, 2013
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Fair Value, Measurements, Nonrecurring [Member]
Jun. 29, 2013
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Dec. 29, 2012
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Jun. 29, 2013
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Dec. 29, 2012
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Jun. 29, 2013
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Dec. 29, 2012
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Jun. 29, 2013
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Dec. 29, 2012
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Jun. 29, 2013
Asset-Backed Securities [Member]
Jun. 29, 2013
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Dec. 29, 2012
Level 1 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Jun. 29, 2013
Level 1 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Dec. 29, 2012
Level 1 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Jun. 29, 2013
Level 1 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 1 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 1 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Dec. 29, 2012
Level 2 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Jun. 29, 2013
Level 2 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Dec. 29, 2012
Level 2 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Jun. 29, 2013
Level 2 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 2 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 2 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 29, 2013
Level 3 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Dec. 29, 2012
Level 3 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
Jun. 29, 2013
Level 3 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Dec. 29, 2012
Level 3 [Member]
Fair Value [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
Jun. 29, 2013
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Bank Deposits [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Bank Deposits [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Commercial Paper [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Corporate Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Corporate Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Corporate Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Government Bonds [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Government Bonds [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 29, 2013
Level 3 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 29, 2012
Level 3 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Investments, fair value disclosure                                                           $ 9 $ 11     $ 987 $ 822 $ 992 $ 540 $ 91 $ 56     $ 2,022 $ 2,711 $ 2,367 $ 1,474     $ 28 $ 0 $ 1,734 $ 388 $ 871 $ 254     $ 0 $ 466 $ 1,121 $ 1,597 $ 671 $ 172 $ 5,361 $ 4,424     $ 99 $ 1,086                                         $ 0 $ 0     $ 0 $ 0 $ 0 $ 0 $ 0 $ 0     $ 0 $ 0 $ 0 $ 0     $ 0 $ 0 $ 439 $ 75 $ 232 $ 10     $ 0 $ 400 $ 968 $ 1,307 $ 259 $ 59 $ 5,361 $ 4,424     $ 99 $ 1,086                                         $ 0 $ 0     $ 987 $ 822 $ 992 $ 540 $ 91 $ 56     $ 2,022 $ 2,711 $ 2,367 $ 1,474     $ 28 $ 0 $ 1,276 $ 292 $ 609 $ 218     $ 0 $ 66 $ 153 $ 290 $ 412 $ 113 $ 0 $ 0     $ 0 $ 0                                             $ 9 $ 11     $ 0 $ 0 $ 0 $ 0 $ 0 $ 0     $ 0 $ 0 $ 0 $ 0     $ 0 $ 0 $ 19 $ 21 $ 30 $ 26     $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0     $ 0 $ 0    
Reverse repurchase agreements, fair value disclosure                 100 2,800                                                                                                                           0 0                                                                                                                 100 2,800                                                                                                                     0 0                                                                                                            
Trading investments, fair value disclosure                                                       434 68     105 247             120 336         2,592 1,591             3,936 3,222                 98 18     73 203                                 0 0     0 0             0 0         2,124 482             2,361 1,743                 98 18     0 0                                 0 0     105 247             120 336         468 1,109             1,575 1,479                 0 0     73 203                                     434 68     0 0             0 0         0 0             0 0                 0 0     0 0
Derivative assets, fair value disclosure                     223 221 45 38                                                                                                                       0 12 0 0                                                                                                             222 208 20 20                                                                                                                 1 1 25 18                                                                                                    
Loans receivable, fair value dislcosure 781 780                 34 203 747 577                                                                                                                       0 0 0 0                                                                                                             34 203 747 577                                                                                                                 0 0 0 0                                                                                                    
Total assets measured and recorded at fair value     24,860 23,525                                                                                                                                   11,941 9,616                                                                                                                 12,401 13,764                                                                                                                 518 145                                                                                                                    
Derivative liabilities, fair value disclosure                             446 292 42 20                                                                                                                       5 1 0 0                                                                                                             441 291 42 20                                                                                                                 0 0 0 0                                                                                            
Total liabilities measured and recorded at fair value     488 312                                                                                                                                   5 1                                                                                                                 483 311                                                                                                                 0 0                                                                                                                    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases                                                     394                                                                                                                                                                                                                                                                                                                                                                                                                                                    
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount 255                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
Fair Value, Non-Marketable Equity Investments, Gains (Losses)         (60) (15) (74) (73)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Non-Marketable Equity Investments                                                                                                                                                                                                                                                                                                                                                                                       60 31                                                                                                                
Non-marketable cost method investments                                     1,207 1,202                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Non-marketable cost method investments, fair value disclosure                                             1,900 1,766                                                                                                                   0 0                                                                                                                 0 0                                                                                                                     1,900 1,766                                                                                        
Loans receivable 964 979                                 183 199     183 198                                                                                                                   0 0                                                                                                                 150 150                                                                                                                     33 48                                                                                        
Reverse repurchase agreements 165 2,850                                 65 50     65 50                                                                                                                   0 0                                                                                                                 65 50                                                                                                                     0 0                                                                                        
Grants Receivable                                     373 198                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Grants Receivable, Fair Value Disclosure                                             370 205                                                                                                                   0 0                                                                                                                 370 205                                                                                                                     0 0                                                                                        
Long-term debt                                     13,150 13,136     13,503 14,368                                                                                                                   10,902 11,442                                                                                                                 2,601 2,926                                                                                                                     0 0                                                                                        
Short-term debt                                     25 48                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Short-term debt, fair value disclosure                                             25 48                                                                                                                   0 0                                                                                                                 25 48                                                                                                                     0 0                                                                                        
Notes payable                                         581 875                                                                                                                                                                                                                                                                                                                                                                                                                                                              
Notes payable, fair value disclosure                                                 $ 593 $ 890                                                                                                                   $ 0 $ 0                                                                                                                 $ 593 $ 890                                                                                                                     $ 0 $ 0                                                                                   Â