v2.4.0.8
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Operating revenues        
Contract drilling revenues $ 2,278 $ 2,321 $ 4,570 $ 4,466
Other revenues 50 43 97 82
Total operating revenues 2,328 2,364 4,667 4,548
Costs and expenses        
Operating and maintenance 1,213 1,357 2,482 2,716
Depreciation 288 286 561 561
General and administrative 63 77 120 144
Total costs and expenses 1,564 1,720 3,163 3,421
Loss on impairment   (37) (65) (37)
Gain (loss) on disposal of assets, net 1 (2) (2) (9)
Operating income 765 605 1,437 1,081
Other income (expense), net        
Interest income 15 11 25 28
Interest expense, net of amounts capitalized (112) (146) (238) (303)
Other, net 8 (16) 6 (17)
Total other income (expense), net (89) (151) (207) (292)
Income from continuing operations before income tax expense 676 454 1,230 789
Income tax expense 72 132 152 151
Income from continuing operations 604 322 1,078 638
Loss from discontinued operations, net of tax (7) (11) (15) (14)
Net income 597 311 1,063 624
Net income (loss) attributable to noncontrolling interest 10 4 20 (4)
Net income attributable to controlling interest $ 587 $ 307 $ 1,043 $ 628
Earnings (loss) per share-basic        
Earnings from continuing operations (in dollars per share) $ 1.63 $ 0.87 $ 2.90 $ 1.77
Loss from discontinued operations (in dollars per share) $ (0.02) $ (0.03) $ (0.04) $ (0.04)
Earnings per share (in dollars per share) $ 1.61 $ 0.84 $ 2.86 $ 1.73
Earnings (loss) per share-diluted        
Earnings from continuing operations (in dollars per share) $ 1.63 $ 0.87 $ 2.90 $ 1.77
Loss from discontinued operations (in dollars per share) $ (0.02) $ (0.03) $ (0.04) $ (0.04)
Earnings per share (in dollars per share) $ 1.61 $ 0.84 $ 2.86 $ 1.73
Weighted-average shares outstanding        
Basic (in shares) 362 360 362 360
Diluted (in shares) 362 360 362 360