Fair Value (Detail) (USD $) |
9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Oct. 01, 2011 |
Dec. 25, 2010 |
Oct. 01, 2011
Government Bonds [Member]
Level 1 [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 1 [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Level 1 [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 1 [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 1 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Level 1 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 1 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 1 [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 1 [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 1 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 1 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 1 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 1 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Money Market Fund Deposits [Member]
Level 1 [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
Level 1 [Member]
|
Oct. 01, 2011
Money Market Fund Deposits [Member]
Level 1 [Member]
Cash Equivalents [Member]
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Dec. 25, 2010
Money Market Fund Deposits [Member]
Level 1 [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Marketable Equity Securities [Member]
Level 1 [Member]
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Dec. 25, 2010
Marketable Equity Securities [Member]
Level 1 [Member]
|
Oct. 01, 2011
Level 1 [Member]
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Dec. 25, 2010
Level 1 [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Government Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Government Bonds [Member]
Level 2 [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 2 [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 2 [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Municipal Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Municipal Bonds [Member]
Level 2 [Member]
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Oct. 01, 2011
Commercial Paper [Member]
Level 2 [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Level 2 [Member]
|
Oct. 01, 2011
Commercial Paper [Member]
Level 2 [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Level 2 [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Commercial Paper [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Level 2 [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Level 2 [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Level 2 [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Level 2 [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Level 2 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Level 2 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Marketable Equity Securities [Member]
Level 2 [Member]
|
Dec. 25, 2010
Marketable Equity Securities [Member]
Level 2 [Member]
|
Oct. 01, 2011
Level 2 [Member]
|
Dec. 25, 2010
Level 2 [Member]
|
Oct. 01, 2011
Level 2 [Member]
Other Long-Term Liabilities [Member]
|
Dec. 25, 2010
Level 2 [Member]
Other Long-Term Liabilities [Member]
|
Oct. 01, 2011
Level 2 [Member]
Other Accrued Liabilities [Member]
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Dec. 25, 2010
Level 2 [Member]
Other Accrued Liabilities [Member]
|
Oct. 01, 2011
Level 2 [Member]
Other Long-Term Assets [Member]
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Dec. 25, 2010
Level 2 [Member]
Other Long-Term Assets [Member]
|
Oct. 01, 2011
Level 2 [Member]
Other Current Assets [Member]
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Dec. 25, 2010
Level 2 [Member]
Other Current Assets [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 3 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 3 [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Level 3 [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 3 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Asset-Backed Securities [Member]
Level 3 [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Level 3 [Member]
|
Oct. 01, 2011
Asset-Backed Securities [Member]
Level 3 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Level 3 [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Level 3 [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Level 3 [Member]
|
Dec. 25, 2010
Level 3 [Member]
|
Sep. 25, 2010
Level 3 [Member]
|
Oct. 01, 2011
Level 3 [Member]
Other Accrued Liabilities [Member]
|
Dec. 25, 2010
Level 3 [Member]
Other Accrued Liabilities [Member]
|
Oct. 01, 2011
Level 3 [Member]
Other Long-Term Assets [Member]
|
Dec. 25, 2010
Level 3 [Member]
Other Long-Term Assets [Member]
|
Oct. 01, 2011
Derivative Assets [Member]
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Dec. 25, 2010
Derivative Assets [Member]
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Oct. 01, 2011
Government Bonds [Member]
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Dec. 25, 2010
Government Bonds [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Government Bonds [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Corporate Bonds [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Municipal Bonds [Member]
|
Dec. 25, 2010
Municipal Bonds [Member]
|
Oct. 01, 2011
Commercial Paper [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
|
Oct. 01, 2011
Commercial Paper [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Commercial Paper [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Other Long-term Investments [Member]
|
Oct. 01, 2011
Bank Deposits [Member]
Short-term Investments [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Asset-Backed Securities [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
|
Oct. 01, 2011
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Short-term Investments [Member]
|
Oct. 01, 2011
Money Market Fund Deposits [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
|
Oct. 01, 2011
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
|
Oct. 01, 2011
Marketable Equity Securities [Member]
|
Dec. 25, 2010
Marketable Equity Securities [Member]
|
Oct. 01, 2011
Other Long-Term Liabilities [Member]
|
Dec. 25, 2010
Other Long-Term Liabilities [Member]
|
Oct. 01, 2011
Other Accrued Liabilities [Member]
|
Dec. 25, 2010
Other Accrued Liabilities [Member]
|
Oct. 01, 2011
Other Long-Term Assets [Member]
|
Dec. 25, 2010
Other Long-Term Assets [Member]
|
Oct. 01, 2011
Other Current Assets [Member]
|
Dec. 25, 2010
Other Current Assets [Member]
|
Oct. 01, 2011
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 25, 2010
Fair Value, Measurements, Nonrecurring [Member]
|
Oct. 01, 2011
Fair Value, Measurements, Nonrecurring [Member]
|
Sep. 25, 2010
Fair Value, Measurements, Nonrecurring [Member]
|
Oct. 01, 2011
Net Carrying Value [Member]
|
Sep. 25, 2010
Net Carrying Value [Member]
|
Oct. 01, 2011
Derivative Liabilities [Member]
|
Dec. 25, 2010
Derivative Liabilities [Member]
|
Oct. 01, 2011
Long-term Debt [Member]
|
Dec. 25, 2010
Long-term Debt [Member]
|
Oct. 01, 2011
SMART Technologies, Inc. [Member]
|
Dec. 25, 2010
SMART Technologies, Inc. [Member]
|
Oct. 01, 2011
NVIDIA [Member]
|
Jan. 31, 2011
NVIDIA [Member]
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Investments, Fair Value Disclosure | $ 1,650,000,000 | $ 1,279,000,000 | $ 83,000,000 | $ 82,000,000 | $ 4,890,000,000 | $ 34,000,000 | $ 104,000,000 | $ 144,000,000 | $ 121,000,000 | $ 463,000,000 | $ 34,000,000 | $ 448,000,000 | $ 785,000,000 | $ 505,000,000 | $ 300,000,000 | $ 2,002,000,000 | $ 373,000,000 | $ 1,320,000,000 | $ 340,000,000 | $ 601,000,000 | $ 525,000,000 | $ 1,378,000,000 | $ 3,457,000,000 | $ 2,600,000,000 | $ 2,403,000,000 | $ 2,712,000,000 | $ 499,000,000 | $ 560,000,000 | $ 75,000,000 | $ 133,000,000 | $ 342,000,000 | $ 858,000,000 | $ 68,000,000 | $ 223,000,000 | $ 59,000,000 | $ 50,000,000 | $ 7,000,000 | $ 1,000,000 | $ 50,000,000 | $ 53,000,000 | $ 14,000,000 | $ 1,650,000,000 | $ 1,784,000,000 | $ 300,000,000 | $ 2,085,000,000 | $ 455,000,000 | $ 6,210,000,000 | $ 433,000,000 | $ 755,000,000 | $ 676,000,000 | $ 1,500,000,000 | $ 3,457,000,000 | $ 2,600,000,000 | $ 2,403,000,000 | $ 2,712,000,000 | $ 499,000,000 | $ 560,000,000 | $ 75,000,000 | $ 133,000,000 | $ 342,000,000 | $ 858,000,000 | $ 50,000,000 | $ 53,000,000 | $ 14,000,000 | $ 463,000,000 | $ 34,000,000 | $ 516,000,000 | $ 1,008,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Trading Securities, Fair Value Disclosure | 883,000,000 | 311,000,000 | 201,000,000 | 199,000,000 | 41,000,000 | 3,000,000 | 6,000,000 | 388,000,000 | 1,683,000,000 | 2,115,000,000 | 540,000,000 | 916,000,000 | 288,000,000 | 375,000,000 | 404,000,000 | 488,000,000 | 89,000,000 | 108,000,000 | 130,000,000 | 190,000,000 | 2,566,000,000 | 2,426,000,000 | 741,000,000 | 1,115,000,000 | 288,000,000 | 375,000,000 | 404,000,000 | 488,000,000 | 89,000,000 | 108,000,000 | 130,000,000 | 190,000,000 | 41,000,000 | 3,000,000 | 6,000,000 | 388,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative Assets | 20,000,000 | 19,000,000 | 224,000,000 | 330,000,000 | 30,000,000 | 31,000,000 | 50,000,000 | 50,000,000 | 224,000,000 | 330,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans Receivable, Fair Value Disclosure | 779,000,000 | 745,000,000 | 642,000,000 | 34,000,000 | 745,000,000 | 642,000,000 | 34,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Assets, Fair Value Disclosure, Recurring | 16,637,000,000 | 26,421,000,000 | 3,952,000,000 | 8,197,000,000 | 12,409,000,000 | 17,885,000,000 | 276,000,000 | 339,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 32,000,000 | 47,000,000 | 279,000,000 | 201,000,000 | 11,000,000 | 7,000,000 | 32,000,000 | 47,000,000 | 290,000,000 | 208,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans Payable, Fair Value Disclosure | 129,000,000 | 128,000,000 | 129,000,000 | 128,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Liabilities, Fair Value Disclosure | 451,000,000 | 383,000,000 | 311,000,000 | 248,000,000 | 140,000,000 | 135,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-Marketable Equity Investments | 53,000,000 | 125,000,000 | 53,000,000 | 123,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Non-Marketable Equity Investments, Gains (Losses) | (12,000,000) | (32,000,000) | (33,000,000) | (94,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Property, Plant and Equipment, Gains (Losses) | (10,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains (losses) for assets held | (12,000,000) | (32,000,000) | (43,000,000) | (94,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Gains (losses) for non-marketable equity investments no longer held | (1,000,000) | (1,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Gains (losses) for property, plant and equipment no longer held | (23,000,000) | (9,000,000) | (68,000,000) | (49,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains (losses) for recorded non-recurring measurement | (35,000,000) | (41,000,000) | (112,000,000) | (144,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Beginning Balance | 31,000,000 | 31,000,000 | 51,000,000 | 369,000,000 | 257,000,000 | 754,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized): Included in earnings | (1,000,000) | (3,000,000) | (2,000,000) | (2,000,000) | (2,000,000) | 6,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized): Included in other comprehensive income (loss) | 8,000,000 | 4,000,000 | (3,000,000) | 9,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Purchases | 3,000,000 | 7,000,000 | 13,000,000 | 6,000,000 | 12,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sales | (4,000,000) | (44,000,000) | (28,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Settlements and maturities | (4,000,000) | (75,000,000) | (84,000,000) | (484,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Transfers out of Level 3 | (3,000,000) | (207,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Ending Balance | 30,000,000 | 31,000,000 | 66,000,000 | 51,000,000 | 180,000,000 | 257,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to assets still held | (1,000,000) | (4,000,000) | (2,000,000) | (2,000,000) | 6,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Beginning Balance | (7,000,000) | (65,000,000) | (128,000,000) | (123,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized): Included in earnings | (4,000,000) | (2,000,000) | (1,000,000) | (5,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Transfers out of Level 3 | 60,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Ending Balance | (11,000,000) | (7,000,000) | (129,000,000) | (128,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to liabilities still held | (4,000,000) | (1,000,000) | (1,000,000) | (5,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total Gains (Losses), Realized and Unrealized, Included In Earnings | (10,000,000) | (6,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total Gains (Losses), Realized and Unrealized, Included In Other Comprehensive Income (Loss) | 5,000,000 | 13,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Equity Method Investments [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Equity Method Investments | 1,772,000,000 | 1,791,000,000 | 37,000,000 | 31,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Equity Method Investment, Quoted Market Value | 73,000,000 | 167,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loss Contingencies [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loss Contingency, Cross License Liability | 1,200,000,000 | 1,400,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes Payable, Fair Value Disclosure | 1,200,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable equity investments, Carrying Amount | 2,795,000,000 | 2,633,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable equity investments, Fair Value | 5,588,000,000 | 5,144,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable, Carrying Amount | 258,000,000 | 208,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable, Fair Value | 258,000,000 | 208,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, Carrying Amount | 6,947,000,000 | 1,949,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, Fair Value | 7,533,000,000 | 2,283,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to assets and liabilities still held | $ (10,000,000) | $ (4,000,000) |