|
Supplemental Disclosures (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |
|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
| Other Income [Abstract] | ||
| Loss of performance incentives and investigation costs on communications satellite | $ 10 | |
| Insurance income pertaining to loss on communications satellite | $ 12 | |
| Income Taxes [Abstract] | ||
| Effective income tax rate (in hundredths) | 36.10% | 36.40% |