Fair Value (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 27, 2014
|
Dec. 28, 2013
|
Sep. 27, 2014
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 28, 2013
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 27, 2014
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 28, 2013
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 27, 2014
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Dec. 28, 2013
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Sep. 27, 2014
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Dec. 28, 2013
Carrying Amount [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Sep. 27, 2014
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Dec. 28, 2013
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Sep. 27, 2014
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Dec. 28, 2013
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Sep. 27, 2014
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Debt Securities and Financial Institution Instruments [Member]
|
Sep. 27, 2014
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Dec. 28, 2013
Level 1 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Sep. 27, 2014
Level 1 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Dec. 28, 2013
Level 1 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Sep. 27, 2014
Level 1 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Dec. 28, 2013
Level 2 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Sep. 27, 2014
Level 2 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Dec. 28, 2013
Level 2 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Sep. 27, 2014
Level 2 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Dec. 28, 2013
Level 3 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
|
Sep. 27, 2014
Level 3 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Dec. 28, 2013
Level 3 [Member]
Portion at Other than Fair Value Measurement [Member]
Not Recorded At Fair Value On Recurring Basis [Member]
NVIDIA cross-license agreement [Member]
|
Sep. 27, 2014
Level 3 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Corporate Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Corporate Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Corporate Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Corporate Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Financial Institution Instruments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Financial Institution Instruments [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Financial Institution Instruments [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Financial Institution Instruments [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Government Debt [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Government Debt [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Government Debt [Member]
Short-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Sep. 27, 2014
Level 3 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 28, 2013
Level 3 [Member]
Government Debt [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
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Sep. 27, 2014
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Dec. 28, 2013
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Sep. 27, 2014
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
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Dec. 28, 2013
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-Term Investments [Member]
Fair Value, Measurements, Recurring [Member]
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Sep. 27, 2014
Level 3 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Dec. 28, 2013
Level 3 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investments, Fair Value Disclosure | $ 967 | $ 2,074 | $ 712 | $ 1,667 | $ 1,184 | $ 525 | $ 1,309 | $ 2,077 | $ 1,994 | $ 3,089 | $ 679 | $ 492 | $ 23 | $ 269 | $ 745 | $ 1,216 | $ 283 | $ 447 | $ 7 | $ 9 | $ 6,514 | $ 6,221 | $ 0 | $ 154 | $ 194 | $ 274 | $ 588 | $ 228 | $ 230 | $ 887 | $ 84 | $ 194 | $ 254 | $ 90 | $ 0 | $ 0 | $ 323 | $ 183 | $ 63 | $ 259 | $ 0 | $ 0 | $ 6,437 | $ 6,221 | $ 967 | $ 1,920 | $ 489 | $ 1,374 | $ 578 | $ 270 | $ 1,079 | $ 1,190 | $ 1,910 | $ 2,895 | $ 425 | $ 402 | $ 23 | $ 269 | $ 422 | $ 1,033 | $ 220 | $ 188 | $ 0 | $ 0 | $ 77 | $ 0 | $ 0 | $ 0 | $ 29 | $ 19 | $ 18 | $ 27 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 7 | $ 9 | $ 0 | $ 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reverse Repurchase Agreements, Fair Value Disclosure | 268 | 400 | 0 | 0 | 268 | 400 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trading investments, Fair Value Disclosure | 9,000 | 8,441 | 3,022 | 2,789 | 1,706 | 1,606 | 3,375 | 3,358 | 897 | 688 | 2,580 | 2,161 | 1,113 | 1,188 | 1,338 | 1,625 | 0 | 0 | 442 | 628 | 593 | 418 | 2,037 | 1,733 | 831 | 684 | 0 | 0 | 0 | 0 | 0 | 0 | 66 | 4 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative assets, Fair Value Disclosure | 306 | 357 | 50 | 36 | 0 | 48 | 0 | 0 | 306 | 309 | 23 | 7 | 0 | 0 | 27 | 29 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable, Fair Value Disclosure | 758 | 805 | 596 | 103 | 162 | 702 | 0 | 0 | 0 | 0 | 596 | 103 | 162 | 702 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Assets, Fair Value Disclosure, Recurring | 24,799 | 28,125 | 13,204 | 13,512 | 11,448 | 14,525 | 147 | 88 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative liabilities, Fair Value Disclosure | 323 | 372 | 22 | 50 | 0 | 0 | 0 | 0 | 323 | 372 | 22 | 50 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Liabilities, Fair Value Disclosure | 345 | 422 | 0 | 0 | 345 | 422 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount | 230 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount | 400 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Non-Marketable Equity Investments, Gains (Losses) | (28) | (23) | (93) | (93) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Grants Receivable | 777 | 416 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Grants Receivable, Fair Value Disclosure | 784 | 481 | 0 | 0 | 784 | 481 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable | 1,008 | 1,072 | 250 | 267 | 250 | 267 | 0 | 0 | 250 | 250 | 0 | 17 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable cost method investments | 1,871 | 1,270 | 1,871 | 1,270 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable cost method investments, Fair Value Disclosure | 2,801 | 2,105 | 0 | 0 | 0 | 0 | 2,801 | 2,105 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reverse repurchase agreements | 718 | 800 | 450 | 400 | 450 | 400 | 0 | 0 | 450 | 400 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Short-term debt | 1,085 | 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Short-term debt, Fair Value Disclosure | 1,550 | 24 | 0 | 0 | 1,550 | 24 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt | 12,103 | 13,165 | 12,103 | 13,165 | 12,539 | 13,538 | 11,319 | 10,937 | 1,220 | 2,601 | 0 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes payable | 393 | 587 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes payable, Fair Value Disclosure | $ 399 | $ 597 | $ 0 | $ 0 | $ 399 | $ 597 | $ 0 | $ 0 |