Fair Value Hedges (Detail) (Fair Value Hedges, 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
|
|
Interest Rate Contracts
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Derivative Instruments, Gain (Loss) [Line Items] | ||||
Gain / (loss) recognized in income on Derivatives | $ (2) | $ (3) | $ (2) | $ (3) |
Debt
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Derivative Instruments, Gain (Loss) [Line Items] | ||||
Gain / (loss) recognized in income on Borrowings | $ 2 | $ 3 | $ 2 | $ 3 |