|
Long-Term Debt and Short-Term Borrowings (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Long-Term Debt | ||
| Long-term debt - excluding current portion - carrying value | $ 6,459 | $ 6,731 |
| Short-Term Borrowings and Current Portion of Long-Term Debt | ||
| Total short-term borrowings and current portion of long-term debt | $ 132 | $ 106 |