|
Fair Value (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 28, 2013
|
Dec. 29, 2012
|
Sep. 28, 2013
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 29, 2012
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 28, 2013
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 29, 2012
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 28, 2013
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Asset-Backed Securities [Member]
|
Jun. 29, 2013
Asset-Backed Securities [Member]
|
Sep. 28, 2013
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 2013
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 2013
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 29, 2012
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 28, 2013
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 29, 2012
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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]
|
Sep. 28, 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 | $ 819 | $ 822 | $ 1,679 | $ 540 | $ 139 | $ 56 | $ 2,245 | $ 2,711 | $ 2,413 | $ 1,474 | $ 0 | $ 0 | $ 1,399 | $ 388 | $ 913 | $ 254 | $ 0 | $ 466 | $ 1,001 | $ 1,597 | $ 522 | $ 172 | $ 6,514 | $ 4,424 | $ 554 | $ 1,086 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 453 | $ 75 | $ 265 | $ 10 | $ 0 | $ 400 | $ 477 | $ 1,307 | $ 235 | $ 59 | $ 6,514 | $ 4,424 | $ 554 | $ 1,086 | $ 0 | $ 0 | $ 819 | $ 822 | $ 1,679 | $ 540 | $ 139 | $ 56 | $ 2,245 | $ 2,711 | $ 2,413 | $ 1,474 | $ 0 | $ 0 | $ 927 | $ 292 | $ 609 | $ 218 | $ 0 | $ 66 | $ 524 | $ 290 | $ 287 | $ 113 | $ 0 | $ 0 | $ 0 | $ 0 | $ 9 | $ 11 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 19 | $ 21 | $ 39 | $ 26 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reverse repurchase agreements, fair value disclosure | 750 | 2,800 | 0 | 0 | 750 | 2,800 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading investments, fair value disclosure | 537 | 68 | 110 | 247 | 273 | 336 | 2,783 | 1,591 | 3,910 | 3,222 | 88 | 18 | 72 | 203 | 0 | 0 | 0 | 0 | 0 | 0 | 2,160 | 482 | 1,879 | 1,743 | 88 | 18 | 0 | 0 | 533 | 0 | 110 | 247 | 273 | 336 | 623 | 1,109 | 2,031 | 1,479 | 0 | 0 | 72 | 203 | 4 | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative assets, fair value disclosure | 256 | 221 | 36 | 38 | 0 | 12 | 0 | 0 | 255 | 208 | 13 | 20 | 1 | 1 | 23 | 18 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans receivable, fair value dislcosure | 799 | 780 | 34 | 203 | 765 | 577 | 0 | 0 | 0 | 0 | 34 | 203 | 765 | 577 | 0 | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total assets measured and recorded at fair value | 27,821 | 23,525 | 12,625 | 9,616 | 15,101 | 13,764 | 95 | 145 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative liabilities, fair value disclosure | 405 | 292 | 45 | 20 | 0 | 1 | 0 | 0 | 405 | 291 | 45 | 20 | 0 | 0 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total liabilities measured and recorded at fair value | 450 | 312 | 0 | 1 | 450 | 311 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 394 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 381 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Non-Marketable Equity Investments, Gains (Losses) | (23) | (19) | (93) | (88) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-Marketable Equity Investments | 33 | 51 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-marketable cost method investments | 1,203 | 1,202 | 1,203 | 1,202 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-marketable cost method investments, fair value disclosure | 1,952 | 1,766 | 0 | 0 | 0 | 0 | 1,952 | 1,766 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans receivable | 974 | 979 | 175 | 199 | 175 | 198 | 0 | 0 | 150 | 150 | 25 | 48 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reverse repurchase agreements | 900 | 2,850 | 150 | 50 | 150 | 50 | 0 | 0 | 150 | 50 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Grants Receivable | 447 | 198 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Grants Receivable, Fair Value Disclosure | 444 | 205 | 0 | 0 | 444 | 205 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term debt | 13,157 | 13,136 | 13,544 | 14,368 | 10,892 | 11,442 | 2,652 | 2,926 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term debt | 24 | 48 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term debt, fair value disclosure | 24 | 48 | 0 | 0 | 24 | 48 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes payable | 584 | 875 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes payable, fair value disclosure | $ 596 | $ 890 | $ 0 | $ 0 | $ 596 | $ 890 | $ 0 | $ 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||