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Cash and Investments, Available For Sale Investments Detail (Detail) (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||
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Dec. 28, 2013
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Dec. 29, 2012
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Dec. 31, 2011
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Dec. 28, 2013
Clearwire Corporation [Member]
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Sep. 29, 2012
Asml Holding Nv [Member]
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Dec. 28, 2013
Asset-Backed Securities [Member]
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Dec. 29, 2012
Asset-Backed Securities [Member]
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Dec. 28, 2013
Bank Deposits [Member]
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Dec. 29, 2012
Bank Deposits [Member]
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Dec. 28, 2013
Commercial Paper [Member]
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Dec. 29, 2012
Commercial Paper [Member]
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Dec. 28, 2013
Corporate Bonds [Member]
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Dec. 29, 2012
Corporate Bonds [Member]
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Dec. 28, 2013
Government Bonds [Member]
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Dec. 29, 2012
Government Bonds [Member]
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Dec. 28, 2013
Marketable Equity Securities [Member]
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Dec. 29, 2012
Marketable Equity Securities [Member]
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Dec. 28, 2013
Money Market Fund Deposits [Member]
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Dec. 29, 2012
Money Market Fund Deposits [Member]
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| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||||||||
| Adjusted Cost | $ 11,000,000 | $ 14,000,000 | $ 2,951,000,000 | $ 1,417,000,000 | $ 4,464,000,000 | $ 4,184,000,000 | $ 2,359,000,000 | $ 635,000,000 | $ 1,024,000,000 | $ 2,235,000,000 | $ 1,042,000,000 | $ 1,086,000,000 | |||||||
| Gross Unrealized Gains | 2,902,000,000 | 1,079,000,000 | 0 | 0 | 6,000,000 | 1,000,000 | 0 | 1,000,000 | 15,000,000 | 8,000,000 | 0 | 0 | 2,881,000,000 | 1,069,000,000 | 0 | 0 | |||
| Gross Unrealized Losses | (7,000,000) | (5,000,000) | (2,000,000) | (3,000,000) | (1,000,000) | 0 | 0 | 0 | (3,000,000) | (1,000,000) | 0 | 0 | 0 | (1,000,000) | (1,000,000) | 0 | |||
| Fair Value | 11,865,000,000 | 9,000,000 | 11,000,000 | 2,956,000,000 | 1,418,000,000 | 4,464,000,000 | 4,185,000,000 | 2,371,000,000 | 642,000,000 | 1,024,000,000 | 2,235,000,000 | 1,041,000,000 | 1,086,000,000 | ||||||
| Adjusted Cost | 3,340,000,000 | 3,356,000,000 | |||||||||||||||||
| Fair Value | 6,221,000,000 | 4,424,000,000 | |||||||||||||||||
| Adjusted Cost, Total | 15,191,000,000 | 12,927,000,000 | |||||||||||||||||
| Fair Value, Total | 18,086,000,000 | 14,001,000,000 | |||||||||||||||||
| Payments to Acquire Available-for-sale Securities, Equity | 3,200,000,000 | ||||||||||||||||||
| Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds | 934,000,000 | 2,300,000,000 | 9,100,000,000 | ||||||||||||||||
| Proceeds from Sale, Maturity and Collection of Investments | 142,000,000 | ||||||||||||||||||
| Available-for-sale Securities, Gross Realized Gains | 146,000,000 | 166,000,000 | 268,000,000 | 111,000,000 | |||||||||||||||
| Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities | 14,000,000 | 36,000,000 | 73,000,000 | ||||||||||||||||
| Due in 1 year or less, Cost | 9,170,000,000 | ||||||||||||||||||
| Due in 1-2 years, Cost | 979,000,000 | ||||||||||||||||||
| Due in 2-5 years, Cost | 421,000,000 | ||||||||||||||||||
| Instruments not due at a single maturity date, Cost | 1,281,000,000 | ||||||||||||||||||
| Cost, Total | 11,851,000,000 | ||||||||||||||||||
| Due in 1 year or less, Fair Value | 9,188,000,000 | ||||||||||||||||||
| Due in 1-2 years, Fair Value | 978,000,000 | ||||||||||||||||||
| Due in 2-5 years, Fair Value | 421,000,000 | ||||||||||||||||||
| Instruments not due at a single maturity date, Fair Value | $ 1,278,000,000 | ||||||||||||||||||