|
Segment Information (Details 2) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Financial information with respect to entity's operations by geographic area | |||||||||||
| Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations: | $ 1,605,390 | $ 1,548,965 | $ 1,459,326 | $ 1,538,373 | $ 1,571,745 | $ 1,630,380 | $ 1,541,841 | $ 1,810,367 | $ 6,152,054 | $ 6,554,333 | $ 6,098,928 |
| Property, plant and equipment, net | 8,597,813 | 8,712,088 | 8,597,813 | 8,712,088 | 8,629,946 | ||||||
| Goodwill | 512,964 | 472,326 | 512,964 | 472,326 | 501,258 | ||||||
|
U.S.
|
|||||||||||
| Financial information with respect to entity's operations by geographic area | |||||||||||
| Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations: | 4,146,125 | 4,625,614 | 4,311,009 | ||||||||
| Property, plant and equipment, net | 5,474,746 | 5,179,578 | 5,474,746 | 5,179,578 | 4,974,239 | ||||||
| Goodwill | 498,149 | 456,463 | 498,149 | 456,463 | 57,445 | ||||||
|
Outside the U.S.
|
|||||||||||
| Financial information with respect to entity's operations by geographic area | |||||||||||
| Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations: | 2,005,929 | 1,928,719 | 1,787,919 | ||||||||
| Property, plant and equipment, net | 3,123,067 | 3,532,510 | 3,123,067 | 3,532,510 | 3,655,707 | ||||||
| Goodwill | $ 14,815 | $ 15,863 | $ 14,815 | $ 15,863 | $ 34,464 | ||||||