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Derivative Financial Instruments and Hedging Activities Amounts Recognized in Net income (Details) (Interest expense - net [Member], Fair Value Hedging [Member], USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Derivative designated as fair value hedges | $ 0 | $ 0 |
|
Interest Rate Contract [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Derivative designated as fair value hedges | (126) | 21 |
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Related Long Term Debt Converted To Floating Interest Rates By Interest Rate Swaps [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Derivative designated as fair value hedges | $ 126 | $ (21) |