Goodwill (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
---|---|
Mar. 31, 2014
|
|
Changes in goodwill | |
Balance at beginning of period | $ 2,503 |
Foreign currency translation adjustments | (18) |
Balance at end of period | 2,485 |
Transportation
|
|
Changes in goodwill | |
Balance at beginning of period | 878 |
Foreign currency translation adjustments | (11) |
Balance at end of period | 867 |
Facilities
|
|
Changes in goodwill | |
Balance at beginning of period | 1,162 |
Foreign currency translation adjustments | (5) |
Balance at end of period | 1,157 |
Supply and Logistics
|
|
Changes in goodwill | |
Balance at beginning of period | 463 |
Foreign currency translation adjustments | (2) |
Balance at end of period | $ 461 |