Assets And Liabilities Measured At Fair Value Realized Unrealized Gain Loss (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
Realized and unrealized gains on financial instruments, net | $ (160) | $ (91) | $ (338) | $ (61) |
Non-Strategic Securities [Member]
|
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Realized and unrealized gains on financial instruments, net | 237 | (239) | 418 | (90) |
Exchangeable Senior Debentures [Member]
|
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Realized and unrealized gains on financial instruments, net | (293) | 137 | (510) | (28) |
Other [Member]
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Realized and unrealized gains on financial instruments, net | $ (104) | $ 11 | $ (246) | $ 57 |