v2.4.0.8

Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012
Schedule of Segment Reporting Information By Segment [Abstract] |  |  |  |  |
Net Operating Revenues | $ 3,840,185 | $ 2,909,319 | $ 7,196,699 | $ 5,715,970 |
Operating Income (Loss) | 1,092,044 | 692,339 | 1,925,118 | 1,252,111 |
Other Income (Expense), Net | 4,833 | 4,675 | (5,301) | 15,306 |
Interest Expense, Net | 61,647 | 50,775 | 123,568 | 101,044 |
Income Before Income Taxes | 1,035,230 | 646,239 | 1,796,249 | 1,166,373 |
Total Assets | 29,077,152 |  | 29,077,152 |  | 27,336,578
United States [Member] |  |  |  |  |
Schedule of Segment Reporting Information By Segment [Abstract] |  |  |  |  |
Net Operating Revenues | 3,612,224 | 2,660,452 | 6,644,076 | 5,251,793 |
Operating Income (Loss) | 1,083,643 | 634,927 | 1,774,169 | 1,165,878 |
Total Assets | 26,072,533 |  | 26,072,533 |  | 24,523,072
Canada [Member] |  |  |  |  |
Schedule of Segment Reporting Information By Segment [Abstract] |  |  |  |  |
Net Operating Revenues | 89,140 | 96,489 | 272,883 | 184,559 |
Operating Income (Loss) | (20,083) | (14,052) | 51,330 | (52,636) |
Total Assets | 976,093 |  | 976,093 |  | 1,202,031
Trinidad [Member] |  |  |  |  |
Schedule of Segment Reporting Information By Segment [Abstract] |  |  |  |  |
Net Operating Revenues | 132,924 | 146,274 | 268,272 | 267,344 |
Operating Income (Loss) | 71,893 | 92,947 | 152,788 | 170,160 |
Total Assets | 1,094,649 |  | 1,094,649 |  | 1,012,727
Other International [Member] |  |  |  |  |
Schedule of Segment Reporting Information By Segment [Abstract] |  |  |  |  |
Net Operating Revenues | 5,897 | 6,104 | 11,468 | 12,274 |
Operating Income (Loss) | (43,409) | (21,483) | (53,169) | (31,291) |
Total Assets | $ 933,877 |  | $ 933,877 |  | $ 598,748

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