|
Quarterly Results (Unaudited) (Details) (USD $)
In Millions, except Per Share data, 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
|
|
| Quarterly Results (Unaudited) | |||||||||||
| Operating revenues | $ 2,332 | $ 2,558 | $ 2,397 | $ 2,197 | $ 2,326 | $ 2,431 | $ 2,329 | $ 2,110 | $ 9,484 | $ 9,196 | $ 8,027 |
| Operating income (loss) | 407 | 742 | 602 | 473 | 541 | 811 | (142) | 371 | 2,224 | 1,581 | (4,762) |
| Income (loss) from continuing operations | 228 | 544 | 321 | 313 | 432 | 533 | (303) | 154 | 1,406 | 816 | (5,762) |
| Net income (loss) | 231 | 544 | 303 | 329 | 457 | (383) | (303) | 18 | 1,407 | (211) | (5,677) |
| Net income (loss) attributable to controlling interest | 233 | 546 | 307 | 321 | 456 | (381) | (304) | 10 | 1,407 | (219) | (5,754) |
| Adjustment to original estimate of goodwill | 118 | 118 | 5,200 | ||||||||
| Loss associated with the Macondo well incident contingencies | 29 | 74 | 756 | ||||||||
| Gains (losses) on disposal of discontinued operations | 5 | 31 | 3 | 15 | 12 | (1) | 72 | (1) | |||
| Impairment of intangible asset associated with the U.K. operations of drilling management services reporting unit | 22 | ||||||||||
| Impairment of certain drilling units classified as held for sale | 37 | ||||||||||
| Impairment of assets of discontinued operations | 3 | 878 | 12 | 93 | |||||||
| Per share earnings (loss) from continuing operations | |||||||||||
| Basic (in dollars per share) | $ 0.62 | $ 1.49 | $ 0.87 | $ 0.88 | $ 1.19 | $ 1.49 | $ (0.86) | $ 0.42 | $ 3.87 | $ (0.62) | $ (17.88) |
| Diluted (in dollars per share) | $ 0.62 | $ 1.49 | $ 0.87 | $ 0.88 | $ 1.19 | $ 1.49 | $ (0.86) | $ 0.42 | $ 3.87 | $ (0.62) | $ (17.88) |
| Weighted-average shares outstanding | |||||||||||
| Basic: (in shares) | 361 | 361 | 360 | 360 | 359 | 359 | 353 | 350 | 360 | 356 | 322 |
| Diluted: (in shares) | 361 | 361 | 360 | 360 | 360 | 359 | 353 | 350 | 360 | 356 | 322 |
| Quarterly results | |||||||||||
| Gain on the sale of assets | 7 | 36 | (12) | ||||||||
|
Sale of Transocean Richardson
|
|||||||||||
| Quarterly results | |||||||||||
| Gain on the sale of assets | $ 33 | $ 33 | |||||||||