Risk Management (Summary Of Fair Values And Location In Condensed Consolidated Balance Sheet) (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
---|---|---|
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative assets | $ 1 | $ 1 |
Fair value of derivative liabilities | 7 | 8 |
Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Assets [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative assets | 0 | 0 |
Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Liabilities [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative liabilities | 1 | 2 |
Not Designated As Hedging Instruments [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative assets | 1 | 1 |
Fair value of derivative liabilities | 6 | 6 |
Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Assets [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative assets | 1 | 1 |
Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Liabilities [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative liabilities | 2 | 3 |
Not Designated As Hedging Instruments [Member] | Interest Rate Contracts [Member] | Other Assets [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative assets | 0 | 0 |
Not Designated As Hedging Instruments [Member] | Interest Rate Contracts [Member] | Other Liabilities [Member]
|
||
Derivatives, Fair Value [Line Items] | ||
Fair value of derivative liabilities | $ 4 | $ 3 |