|
Property, Plant and Equipment (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | $ 15,244,631,000 | $ 14,436,262,000 | |
| Less: accumulated depreciation and amortization | (6,646,818,000) | (5,724,174,000) | |
| Property, plant and equipment, net | 8,597,813,000 | 8,712,088,000 | 8,629,946,000 |
| Repair and maintenance expense | 510,800,000 | 563,500,000 | 586,400,000 |
| Interest costs capitalized | 13,000,000 | 19,400,000 | 24,000,000 |
|
Land
|
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 63,733,000 | 49,965,000 | |
|
Buildings
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 163,962,000 | 154,878,000 | |
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Dirlling, workover and well-servicing rigs, and related equipment
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 12,818,136,000 | 12,364,021,000 | |
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Marine transportation and supply vessels
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 14,062,000 | 14,054,000 | |
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Oilfield hauling and mobile equipment
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 1,322,798,000 | 1,313,339,000 | |
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Other machinery and equipment
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | 168,465,000 | 176,468,000 | |
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Construction-in-progress
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| Property, Plant and Equipment | |||
| Property, plant and equipment, gross | $ 693,475,000 | $ 363,537,000 | |