|
Operations And Segmentation (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Commodity Group Information [Line Items] | ||||
| Freight revenues | $ 5,661 | $ 5,153 | $ 10,947 | $ 10,137 |
| Other revenues | 354 | 317 | 706 | 623 |
| Total operating revenues | 6,015 | 5,470 | 11,653 | 10,760 |
| Freight revenues - Mexico | 599 | 519 | 1,139 | 1,024 |
|
Agriculture [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | 934 | 784 | 1,844 | 1,568 |
|
Automotive [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | 545 | 534 | 1,033 | 1,021 |
|
Chemicals [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | 913 | 890 | 1,806 | 1,763 |
|
Coal [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | 989 | 975 | 1,950 | 1,911 |
|
Industrial Products [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | 1,130 | 977 | 2,141 | 1,893 |
|
Intermodal [Member]
|
||||
| Commodity Group Information [Line Items] | ||||
| Freight revenues | $ 1,150 | $ 993 | $ 2,173 | $ 1,981 |