Fair Value (Detail) (USD $)
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3 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jul. 02, 2011
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Jun. 26, 2010
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Jul. 02, 2011
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Jun. 26, 2010
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Dec. 25, 2010
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Jul. 02, 2011
Cash Equivalents [Member]
Commercial Paper [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Commercial Paper [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Commercial Paper [Member]
Level 2 [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Commercial Paper [Member]
Level 2 [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Bank Deposits [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Bank Deposits [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Bank Deposits [Member]
Level 2 [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Bank Deposits [Member]
Level 2 [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Government Bonds [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Government Bonds [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Government Bonds [Member]
Level 1 [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Government Bonds [Member]
Level 1 [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Government Bonds [Member]
Level 2 [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Money Market Fund Deposits [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Money Market Fund Deposits [Member]
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Jul. 02, 2011
Cash Equivalents [Member]
Money Market Fund Deposits [Member]
Level 1 [Member]
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Dec. 25, 2010
Cash Equivalents [Member]
Money Market Fund Deposits [Member]
Level 1 [Member]
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Jul. 02, 2011
Other Long-Term Liabilities [Member]
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Dec. 25, 2010
Other Long-Term Liabilities [Member]
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Jul. 02, 2011
Other Long-Term Liabilities [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Long-Term Liabilities [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Accrued Liabilities [Member]
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Dec. 25, 2010
Other Accrued Liabilities [Member]
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Jul. 02, 2011
Other Accrued Liabilities [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Accrued Liabilities [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Accrued Liabilities [Member]
Level 3 [Member]
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Dec. 25, 2010
Other Accrued Liabilities [Member]
Level 3 [Member]
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Jul. 02, 2011
Other Long-Term Assets [Member]
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Dec. 25, 2010
Other Long-Term Assets [Member]
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Jul. 02, 2011
Other Long-Term Assets [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Long-Term Assets [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Long-Term Assets [Member]
Level 3 [Member]
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Dec. 25, 2010
Other Long-Term Assets [Member]
Level 3 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Corporate Bonds [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Corporate Bonds [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 1 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 1 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 3 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Corporate Bonds [Member]
Level 3 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Asset-Backed Securities [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Asset-Backed Securities [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Asset-Backed Securities [Member]
Level 3 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Asset-Backed Securities [Member]
Level 3 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Bank Deposits [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Bank Deposits [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Bank Deposits [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Bank Deposits [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Government Bonds [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Government Bonds [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Government Bonds [Member]
Level 1 [Member]
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Jul. 02, 2011
Other Long-term Investments [Member]
Government Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Long-term Investments [Member]
Government Bonds [Member]
Level 2 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Corporate Bonds [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Corporate Bonds [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Corporate Bonds [Member]
Level 1 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Corporate Bonds [Member]
Level 1 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Corporate Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Corporate Bonds [Member]
Level 2 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Corporate Bonds [Member]
Level 3 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Corporate Bonds [Member]
Level 3 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Asset-Backed Securities [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Asset-Backed Securities [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Asset-Backed Securities [Member]
Level 3 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Asset-Backed Securities [Member]
Level 3 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Commercial Paper [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Commercial Paper [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Commercial Paper [Member]
Level 2 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Commercial Paper [Member]
Level 2 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Bank Deposits [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Bank Deposits [Member]
|
Jul. 02, 2011
Short-term Investments [Member]
Bank Deposits [Member]
Level 2 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Bank Deposits [Member]
Level 2 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Government Bonds [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Government Bonds [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Government Bonds [Member]
Level 1 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Government Bonds [Member]
Level 1 [Member]
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Jul. 02, 2011
Short-term Investments [Member]
Government Bonds [Member]
Level 2 [Member]
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Dec. 25, 2010
Short-term Investments [Member]
Government Bonds [Member]
Level 2 [Member]
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Jul. 02, 2011
Other Current Assets [Member]
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Dec. 25, 2010
Other Current Assets [Member]
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Jul. 02, 2011
Other Current Assets [Member]
Level 2 [Member]
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Dec. 25, 2010
Other Current Assets [Member]
Level 2 [Member]
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Jul. 02, 2011
Marketable Equity Securities Receivable [Member]
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Dec. 25, 2010
Marketable Equity Securities Receivable [Member]
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Jul. 02, 2011
Marketable Equity Securities Receivable [Member]
Level 1 [Member]
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Dec. 25, 2010
Marketable Equity Securities Receivable [Member]
Level 1 [Member]
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Jul. 02, 2011
Marketable Equity Securities [Member]
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Dec. 25, 2010
Marketable Equity Securities [Member]
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Jul. 02, 2011
Marketable Equity Securities [Member]
Level 1 [Member]
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Dec. 25, 2010
Marketable Equity Securities [Member]
Level 1 [Member]
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Jul. 02, 2011
Marketable Equity Securities [Member]
Level 2 [Member]
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Dec. 25, 2010
Marketable Equity Securities [Member]
Level 2 [Member]
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Jul. 02, 2011
Derivative Assets [Member]
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Dec. 25, 2010
Derivative Assets [Member]
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Jul. 02, 2011
Derivative Assets [Member]
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Jul. 02, 2011
Corporate Bonds [Member]
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Dec. 25, 2010
Corporate Bonds [Member]
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Jul. 02, 2011
Corporate Bonds [Member]
Level 1 [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 1 [Member]
|
Jul. 02, 2011
Corporate Bonds [Member]
Level 2 [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
Level 2 [Member]
|
Jul. 02, 2011
Corporate Bonds [Member]
|
Dec. 25, 2010
Corporate Bonds [Member]
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Jul. 02, 2011
Corporate Bonds [Member]
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Jul. 02, 2011
Municipal Bonds [Member]
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Dec. 25, 2010
Municipal Bonds [Member]
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Jul. 02, 2011
Municipal Bonds [Member]
Level 2 [Member]
|
Dec. 25, 2010
Municipal Bonds [Member]
Level 2 [Member]
|
Jul. 02, 2011
Asset-Backed Securities [Member]
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Dec. 25, 2010
Asset-Backed Securities [Member]
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Jul. 02, 2011
Asset-Backed Securities [Member]
Level 3 [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
Level 3 [Member]
|
Jul. 02, 2011
Asset-Backed Securities [Member]
|
Dec. 25, 2010
Asset-Backed Securities [Member]
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Jul. 02, 2011
Asset-Backed Securities [Member]
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Jul. 02, 2011
Commercial Paper [Member]
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Dec. 25, 2010
Commercial Paper [Member]
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Jul. 02, 2011
Commercial Paper [Member]
Level 2 [Member]
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Dec. 25, 2010
Commercial Paper [Member]
Level 2 [Member]
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Jul. 02, 2011
Bank Deposits [Member]
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Dec. 25, 2010
Bank Deposits [Member]
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Jul. 02, 2011
Bank Deposits [Member]
Level 2 [Member]
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Dec. 25, 2010
Bank Deposits [Member]
Level 2 [Member]
|
Jul. 02, 2011
Government Bonds [Member]
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Dec. 25, 2010
Government Bonds [Member]
|
Jul. 02, 2011
Government Bonds [Member]
Level 1 [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 1 [Member]
|
Jul. 02, 2011
Government Bonds [Member]
Level 2 [Member]
|
Dec. 25, 2010
Government Bonds [Member]
Level 2 [Member]
|
Jul. 02, 2011
Money Market Fund Deposits [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
|
Jul. 02, 2011
Money Market Fund Deposits [Member]
Level 1 [Member]
|
Dec. 25, 2010
Money Market Fund Deposits [Member]
Level 1 [Member]
|
Jul. 02, 2011
Level 1 [Member]
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Dec. 25, 2010
Level 1 [Member]
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Jul. 02, 2011
Level 2 [Member]
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Dec. 25, 2010
Level 2 [Member]
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Jul. 02, 2011
Level 2 [Member]
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Dec. 25, 2010
Level 2 [Member]
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Jul. 02, 2011
Level 3 [Member]
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Jun. 26, 2010
Level 3 [Member]
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Jul. 02, 2011
Level 3 [Member]
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Dec. 25, 2010
Level 3 [Member]
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Jul. 02, 2011
Level 3 [Member]
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Dec. 25, 2010
Level 3 [Member]
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Jul. 02, 2011
Net Carrying Value [Member]
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Jun. 26, 2010
Net Carrying Value [Member]
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Jul. 02, 2011
Derivative Liabilities [Member]
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Dec. 25, 2010
Derivative Liabilities [Member]
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Dec. 26, 2009
Derivative Liabilities [Member]
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Dec. 25, 2010
Long-term Debt [Member]
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Jul. 02, 2011
Long-term Debt [Member]
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Dec. 26, 2009
Long-term Debt [Member]
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Jul. 02, 2011
SMART Technologies, Inc. [Member]
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Dec. 25, 2010
SMART Technologies, Inc. [Member]
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Jul. 02, 2011
NVIDIA [Member]
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Jan. 31, 2011
NVIDIA [Member]
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Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measured on Recurring Basis, Investments | $ 2,272,000,000 | $ 2,600,000,000 | $ 2,272,000,000 | $ 2,600,000,000 | $ 889,000,000 | $ 560,000,000 | $ 889,000,000 | $ 560,000,000 | $ 465,000,000 | $ 1,784,000,000 | $ 465,000,000 | $ 1,279,000,000 | $ 505,000,000 | $ 550,000,000 | $ 34,000,000 | $ 550,000,000 | $ 34,000,000 | $ 534,000,000 | $ 755,000,000 | $ 73,000,000 | $ 104,000,000 | $ 404,000,000 | $ 601,000,000 | $ 57,000,000 | $ 50,000,000 | $ 52,000,000 | $ 53,000,000 | $ 52,000,000 | $ 53,000,000 | $ 55,000,000 | $ 133,000,000 | $ 55,000,000 | $ 133,000,000 | $ 351,000,000 | $ 2,085,000,000 | $ 83,000,000 | $ 351,000,000 | $ 2,002,000,000 | $ 808,000,000 | $ 1,500,000,000 | $ 107,000,000 | $ 121,000,000 | $ 693,000,000 | $ 1,378,000,000 | $ 8,000,000 | $ 1,000,000 | $ 7,000,000 | $ 14,000,000 | $ 7,000,000 | $ 14,000,000 | $ 1,505,000,000 | $ 2,712,000,000 | $ 1,505,000,000 | $ 2,712,000,000 | $ 210,000,000 | $ 858,000,000 | $ 210,000,000 | $ 858,000,000 | $ 576,000,000 | $ 6,210,000,000 | $ 125,000,000 | $ 4,890,000,000 | $ 451,000,000 | $ 1,320,000,000 | $ 892,000,000 | $ 1,008,000,000 | $ 841,000,000 | $ 785,000,000 | $ 51,000,000 | $ 223,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Assets Measured on Recurring Basis, Trading Assets | 10,000,000 | 388,000,000 | 10,000,000 | 388,000,000 | 942,000,000 | 1,115,000,000 | 204,000,000 | 199,000,000 | 738,000,000 | 916,000,000 | 350,000,000 | 375,000,000 | 350,000,000 | 375,000,000 | 146,000,000 | 190,000,000 | 146,000,000 | 190,000,000 | 305,000,000 | 488,000,000 | 305,000,000 | 488,000,000 | 69,000,000 | 108,000,000 | 69,000,000 | 108,000,000 | 1,952,000,000 | 2,426,000,000 | 230,000,000 | 311,000,000 | 1,722,000,000 | 2,115,000,000 | 32,000,000 | 3,000,000 | 32,000,000 | 3,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable | 687,000,000 | 687,000,000 | 651,000,000 | 642,000,000 | 651,000,000 | 642,000,000 | 36,000,000 | 36,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative assets | 31,000,000 | 50,000,000 | 2,000,000 | 19,000,000 | 29,000,000 | 31,000,000 | 209,000,000 | 330,000,000 | 209,000,000 | 330,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total assets measured and recorded at fair value; recurring | 13,899,000,000 | 13,899,000,000 | 26,421,000,000 | 2,637,000,000 | 8,197,000,000 | 10,963,000,000 | 17,885,000,000 | 299,000,000 | 339,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Assets Measured and Recorded at Fair Value on a Non-Recurring Basis [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-Marketable Equity Investments | 37,000,000 | 130,000,000 | 37,000,000 | 126,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Non-Marketable Equity Investments Measured on Non-Recurring Basis, Gains (Losses) | (8,000,000) | (17,000,000) | (22,000,000) | (63,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Property, Plant and Equipment Measured on Non-Recurring Basis, Gains (Losses) | (10,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains (losses) for assets held | (8,000,000) | (17,000,000) | (32,000,000) | (63,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Gains (losses) for property, plant and equipment no longer held | (19,000,000) | (7,000,000) | (45,000,000) | (40,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains (losses) for recorded non-recurring measurement | (27,000,000) | (24,000,000) | (77,000,000) | (103,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 31,000,000 | 31,000,000 | 29,000,000 | 51,000,000 | 369,000,000 | 65,000,000 | 257,000,000 | 754,000,000 | 205,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized): Included in earnings | (2,000,000) | (3,000,000) | (2,000,000) | (1,000,000) | 6,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized): Included in other comprehensive income (loss) | 7,000,000 | 4,000,000 | (1,000,000) | 9,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Purchases | 3,000,000 | 7,000,000 | 12,000,000 | 6,000,000 | 13,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sales | (4,000,000) | (44,000,000) | (28,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Settlements and maturities | (5,000,000) | (75,000,000) | (63,000,000) | (484,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Transfers out of Level 3 | (3,000,000) | (207,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to assets still held | (2,000,000) | (4,000,000) | (1,000,000) | 6,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Liabilities Measured On Recurring Basis Financial Statement Captions [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt | 128,000,000 | 128,000,000 | 128,000,000 | 128,000,000 | 128,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Derivative liabilities | 85,000,000 | 47,000,000 | 85,000,000 | 47,000,000 | 172,000,000 | 208,000,000 | 166,000,000 | 201,000,000 | 6,000,000 | 7,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total liabilities measured and recorded at fair value; recurring | 385,000,000 | 385,000,000 | 383,000,000 | 251,000,000 | 248,000,000 | 134,000,000 | 135,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value | (6,000,000) | (7,000,000) | (65,000,000) | (128,000,000) | (128,000,000) | (123,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total gains or losses (realized and unrealized):Included in earnings | 1,000,000 | (2,000,000) | (5,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Transfers out of Level 3 | 60,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to liabilities still held | 1,000,000 | (1,000,000) | (5,000,000) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total Gains (Losses), Realized and Unrealized, Included In Earnings | (2,000,000) | (6,000,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total Gains (Losses), Realized and Unrealized, Included In Other Comprehensive Income (Loss) | 6,000,000 | 13,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Equity Method Investments [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Equity Method Investments | 1,738,000,000 | 1,738,000,000 | 1,791,000,000 | 34,000,000 | 31,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Marketable equity method investment, Fair Value | 103,000,000 | 167,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loss Contingencies [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loss Contingency, Cross License Liability | 1,100,000,000 | 1,400,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notes Payable, Fair Value Disclosure | 1,100,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable equity investments, Carrying Amount | 2,713,000,000 | 2,713,000,000 | 2,633,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Non-marketable equity investments, Fair Value | 5,725,000,000 | 5,725,000,000 | 5,144,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable, Carrying Amount | 230,000,000 | 230,000,000 | 208,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans receivable, Fair Value | 230,000,000 | 230,000,000 | 208,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, Carrying Amount | 1,962,000,000 | 1,962,000,000 | 1,949,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Long-term debt, Fair Value | 2,204,000,000 | 2,204,000,000 | 2,283,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Changes in unrealized gains or losses included in earnings related to assets and liabilities still held | $ (2,000,000) | $ (4,000,000) |