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Assets And Liabilities Measured At Fair Value Realized Unrealized Gain Loss (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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| Realized and unrealized gains on financial instruments, net | $ (160) | $ 89 | $ (178) | $ 30 |
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Non-Strategic Securities [Member]
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| Realized and unrealized gains on financial instruments, net | 41 | 52 | 181 | 149 |
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Exchangeable Senior Debentures [Member]
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| Realized and unrealized gains on financial instruments, net | (35) | 22 | (217) | (165) |
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Other [Member]
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| Realized and unrealized gains on financial instruments, net | $ (166) | $ 15 | $ (142) | $ 46 |
| X | ||||||||||
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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