|
Fair Value (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|
Dec. 31, 2011
|
Dec. 25, 2010
|
Dec. 31, 2011
NVIDIA cross-license agreement [Member]
|
Jan. 31, 2011
NVIDIA cross-license agreement [Member]
|
Dec. 31, 2011
SMART Technologies, Inc. [Member]
|
Dec. 25, 2010
SMART Technologies, Inc. [Member]
|
Dec. 31, 2011
Marketable Equity Method Investment [Member]
|
Dec. 31, 2011
Derivative Liabilities [Member]
|
Dec. 25, 2010
Derivative Liabilities [Member]
|
Dec. 31, 2011
Long-term Debt [Member]
|
Dec. 25, 2010
Long-term Debt [Member]
|
Dec. 31, 2011
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 25, 2010
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 26, 2009
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Derivative Assets [Member]
|
Dec. 25, 2010
Derivative Assets [Member]
|
Dec. 31, 2011
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Corporate Bonds [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
|
Dec. 31, 2011
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Commercial Paper [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Commercial Paper [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Bank Deposits [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Bank Deposits [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Bank Deposits [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Asset-Backed Securities [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
|
Dec. 31, 2011
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
|
Dec. 25, 2010
Level 1 [Member]
|
Dec. 31, 2011
Level 1 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Money Market Fund Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Money Market Fund Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 1 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
|
Dec. 25, 2010
Level 2 [Member]
|
Dec. 31, 2011
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Other Long-Term Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Government Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Government Bonds [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Government Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Government Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Corporate Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Municipal Bonds [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Commercial Paper [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Commercial Paper [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Commercial Paper [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Commercial Paper [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Bank Deposits [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Bank Deposits [Member]
Cash Equivalents [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Bank Deposits [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Bank Deposits [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Bank Deposits [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Bank Deposits [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 2 [Member]
Marketable Equity Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
|
Dec. 25, 2010
Level 3 [Member]
|
Dec. 31, 2011
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 26, 2009
Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Other Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Other Long-Term Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Other Current Assets [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Corporate Bonds [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Corporate Bonds [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Asset-Backed Securities [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 31, 2011
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Asset-Backed Securities [Member]
Other Long-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
Dec. 25, 2010
Level 3 [Member]
Asset-Backed Securities [Member]
Short-term Investments [Member]
Fair Value, Measurements, Recurring [Member]
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investments, Fair Value Disclosure | $ 650 | $ 1,784 | $ 477 | $ 2,085 | $ 3,000 | $ 6,210 | $ 321 | $ 755 | $ 576 | $ 1,500 | $ 2,408 | $ 2,600 | $ 1,409 | $ 2,712 | $ 795 | $ 560 | $ 55 | $ 133 | $ 196 | $ 858 | $ 36 | $ 53 | $ 14 | $ 546 | $ 34 | $ 562 | $ 1,008 | $ 650 | $ 1,279 | $ 177 | $ 83 | $ 2,690 | $ 4,890 | $ 104 | $ 120 | $ 121 | $ 546 | $ 34 | $ 522 | $ 785 | $ 505 | $ 300 | $ 2,002 | $ 310 | $ 1,320 | $ 282 | $ 601 | $ 428 | $ 1,378 | $ 2,408 | $ 2,600 | $ 1,409 | $ 2,712 | $ 795 | $ 560 | $ 55 | $ 133 | $ 196 | $ 858 | $ 40 | $ 223 | $ 39 | $ 50 | $ 28 | $ 1 | $ 36 | $ 53 | $ 14 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Securities, Fair Value Disclosure | 3,015 | 2,426 | 688 | 1,115 | 284 | 375 | 305 | 488 | 135 | 108 | 115 | 190 | 49 | 3 | 388 | 1,698 | 311 | 202 | 199 | 49 | 3 | 388 | 1,317 | 2,115 | 486 | 916 | 284 | 375 | 305 | 488 | 135 | 108 | 115 | 190 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Assets | 63 | 50 | 166 | 330 | 34 | 19 | 159 | 330 | 29 | 31 | 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans Receivable, Fair Value Disclosure | 748 | 715 | 642 | 33 | 715 | 642 | 33 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assets, Fair Value Disclosure, Recurring | 16,599 | 26,421 | 6,654 | 8,197 | 9,691 | 17,885 | 254 | 339 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 27 | 47 | 288 | 208 | 27 | 47 | 280 | 201 | 8 | 7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans Payable, Fair Value Disclosure | 131 | 128 | 131 | 128 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Liabilities, Fair Value Disclosure | 446 | 383 | 307 | 248 | 139 | 135 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-Marketable Equity Investments | 69 | 128 | 211 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Non-Marketable Equity Investments, Gains (Losses) | (62) | (121) | (187) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 31 | 51 | 369 | 257 | 754 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total gains or losses (realized and unrealized): Included in earnings | 2 | (3) | (3) | (2) | (6) | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total gains or losses (realized and unrealized): Included in other comprehensive income (loss) | 7 | 4 | (2) | 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Purchases | 6 | 7 | 24 | 6 | 13 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sales | (4) | (44) | (11) | (28) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Settlements and maturities | (12) | (75) | (100) | (484) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transfers out of Level 3 | (3) | (207) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Ending Balance | 36 | 31 | 67 | 51 | 151 | 257 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Changes in unrealized gains or losses included in earnings related to assets still held | 2 | (4) | (2) | (2) | 6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) | (65) | (128) | (123) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total gains or losses (realized and unrealized): Included in earnings | (1) | (2) | (3) | (5) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transfers out of Level 3 | 60 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Ending Balance | (8) | (7) | (131) | (128) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Changes in unrealized gains or losses included in earnings related to liabilities still held | (1) | (1) | (3) | (5) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Gains (Losses), Realized and Unrealized, Included In Earnings | (11) | (6) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Gains (Losses), Realized and Unrealized, Included In Other Comprehensive Income (Loss) | 5 | 13 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Equity Method Investments [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity Method Investments | 1,669 | 1,791 | 37 | 31 | 39 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity Method Investments, Quoted Market Value | 167 | 67 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loss Contingencies [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loss Contingency, Cross License Liability | 1,156 | 1,400 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes Payable, Fair Value Disclosure | 1,174 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-marketable equity investments, Carrying Amount | 2,759 | 2,633 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-marketable equity investments, Fair Value | 6,161 | 5,144 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans receivable, Carrying Amount | 132 | 208 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans receivable, Fair Value | 132 | 208 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term debt, Carrying Amount | 6,953 | 1,949 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term debt, Fair Value | 7,735 | 2,283 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term debt, Carrying Amount | 200 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term debt, Fair Value | 200 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Changes in unrealized gains or losses included in earnings related to assets and liabilities still held | $ (6) | $ (4) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||