|
Other Assets (Details 2) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Components of other intangible assets | ||
| Gross Carrying Amount | $ 1,566 | $ 1,666 |
| Accumulated Amortization | (749) | (673) |
| Net Carrying Amount | 817 | 993 |
|
Other Contracts [Member]
|
||
| Components of other intangible assets | ||
| Gross Carrying Amount | 269 | 428 |
| Accumulated Amortization | (89) | (147) |
| Net Carrying Amount | 180 | 281 |
|
Customer Relationships [Member]
|
||
| Components of other intangible assets | ||
| Gross Carrying Amount | 1,297 | 1,238 |
| Accumulated Amortization | (660) | (526) |
| Net Carrying Amount | $ 637 | $ 712 |