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Available For Sale Investments and Cash Equivalents (Detail)
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12 Months Ended | 3 Months Ended | 3 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 29, 2012
USD ($)
|
Dec. 31, 2011
USD ($)
|
Dec. 25, 2010
USD ($)
|
Sep. 29, 2012
ASML Holding N.V. [Member]
USD ($)
|
Dec. 29, 2012
ASML Holding N.V. [Member]
|
Sep. 29, 2012
ASML Holding N.V. [Member]
Research and Development Arrangement [Member]
USD ($)
|
Sep. 29, 2012
ASML Holding N.V. [Member]
Research and Development Arrangement [Member]
EUR (€)
|
Dec. 29, 2012
Bank Deposits [Member]
USD ($)
|
Dec. 31, 2011
Bank Deposits [Member]
USD ($)
|
Dec. 29, 2012
Marketable Equity Securities [Member]
USD ($)
|
Dec. 31, 2011
Marketable Equity Securities [Member]
USD ($)
|
Dec. 29, 2012
Corporate Bonds [Member]
USD ($)
|
Dec. 31, 2011
Corporate Bonds [Member]
USD ($)
|
Dec. 29, 2012
Asset-Backed Securities [Member]
USD ($)
|
Dec. 31, 2011
Asset-Backed Securities [Member]
USD ($)
|
Dec. 29, 2012
Government Bonds [Member]
USD ($)
|
Dec. 31, 2011
Government Bonds [Member]
USD ($)
|
Dec. 29, 2012
Commercial Paper [Member]
USD ($)
|
Dec. 31, 2011
Commercial Paper [Member]
USD ($)
|
Dec. 29, 2012
Money Market Fund Deposits [Member]
USD ($)
|
Dec. 31, 2011
Money Market Fund Deposits [Member]
USD ($)
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| Available-For-Sale Investments [Abstract] | |||||||||||||||||||||
| Adjusted Cost | $ 1,417,000,000 | $ 1,046,000,000 | $ 635,000,000 | $ 892,000,000 | $ 14,000,000 | $ 48,000,000 | $ 2,235,000,000 | $ 3,631,000,000 | $ 4,184,000,000 | $ 3,820,000,000 | $ 1,086,000,000 | $ 546,000,000 | |||||||||
| Gross Unrealized Gains | 1,079,000,000 | 400,000,000 | 1,000,000 | 1,000,000 | 1,069,000,000 | 385,000,000 | 8,000,000 | 14,000,000 | 0 | 0 | 0 | 0 | 1,000,000 | 0 | 0 | 0 | |||||
| Gross Unrealized Losses | (5,000,000) | (41,000,000) | 0 | (1,000,000) | (1,000,000) | (12,000,000) | (1,000,000) | (9,000,000) | (3,000,000) | (12,000,000) | 0 | (4,000,000) | 0 | (3,000,000) | 0 | 0 | |||||
| Fair Value | 9,577,000,000 | 1,418,000,000 | 1,046,000,000 | 642,000,000 | 897,000,000 | 11,000,000 | 36,000,000 | 2,235,000,000 | 3,627,000,000 | 4,185,000,000 | 3,817,000,000 | 1,086,000,000 | 546,000,000 | ||||||||
| Adjusted Cost, Total | 12,927,000,000 | 10,172,000,000 | |||||||||||||||||||
| Fair Value, Total | 14,001,000,000 | 10,531,000,000 | |||||||||||||||||||
| Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds | 2,300,000,000 | 9,100,000,000 | 475,000,000 | ||||||||||||||||||
| Available-for-sale Securities, Gross Realized Gains | 166,000,000 | 268,000,000 | 160,000,000 | ||||||||||||||||||
| Payments to Acquire Available-for-sale Securities, Equity | 3,200,000,000 | ||||||||||||||||||||
| Available-for-sale Securities, Ownership Percentage | 15.00% | ||||||||||||||||||||
| Long-term Purchase Commitment, Amount | 1,000,000,000 | 829,000,000 | |||||||||||||||||||
| Due in 1 year or less, Cost | 7,995,000,000 | ||||||||||||||||||||
| Due in 1-2 years, Cost | 409,000,000 | ||||||||||||||||||||
| Due in 2-5 years, Cost | 67,000,000 | ||||||||||||||||||||
| Instruments not due at a single maturity date, Cost | 1,100,000,000 | ||||||||||||||||||||
| Cost, Total | 9,571,000,000 | ||||||||||||||||||||
| Due in 1 year or less, Fair Value | 7,999,000,000 | ||||||||||||||||||||
| Due in 1-2 year, Fair Value | 413,000,000 | ||||||||||||||||||||
| Due in 2-5 years, Fair Value | 68,000,000 | ||||||||||||||||||||
| Instruments not due at a single maturity date, Fair Value | 1,097,000,000 | ||||||||||||||||||||
| Adjusted Cost | 3,356,000,000 | 189,000,000 | |||||||||||||||||||
| Fair Value | 4,424,000,000 | 562,000,000 | |||||||||||||||||||
| Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities | 36,000,000 | 73,000,000 | |||||||||||||||||||
| Reverse repurchase agreements, Adjusted Cost | 2,800,000,000 | 500,000,000 | |||||||||||||||||||
| Reverse repurchase agreements, Fair Value | 2,800,000,000 | 500,000,000 | |||||||||||||||||||
| Total available-for-sale investments and cash equivalents, Adjusted Cost | 15,727,000,000 | 10,672,000,000 | |||||||||||||||||||
| Total available-for-sale investments and cash equivalents, Fair Value | $ 16,801,000,000 | $ 11,031,000,000 | |||||||||||||||||||