v2.4.0.8
Postemployment Benefit Plans (Details) (USD $)
12 Months Ended
Dec. 31, 2013
plan
Dec. 31, 2012
Dec. 31, 2011
Change in projected benefit obligation      
Projected benefit obligation, beginning of period $ 2,009,000,000 $ 1,760,000,000  
Actuarial (gains) losses, net (99,000,000) 117,000,000  
Service cost 83,000,000 81,000,000  
Interest cost 90,000,000 85,000,000  
Currency exchange rate changes (11,000,000) 19,000,000  
Benefits paid (76,000,000) (71,000,000)  
Participant contributions 4,000,000 3,000,000  
Special termination benefits 1,000,000 1,000,000  
Settlements and curtailments 5,000,000 14,000,000  
Projected benefit obligation, end of period 2,006,000,000 2,009,000,000  
Change in plan assets      
Fair value of plan assets, beginning of period 1,370,000,000 1,120,000,000  
Actual return on plan assets 194,000,000 144,000,000  
Currency exchange rate changes (10,000,000) 15,000,000  
Employer contributions 115,000,000 159,000,000  
Participant contributions 4,000,000 3,000,000  
Benefits paid (76,000,000) (71,000,000)  
Fair value of plan assets, end of period 1,597,000,000 1,370,000,000  
Funded status, end of period (409,000,000) (639,000,000)  
Balance sheet classification, end of period:      
Pension asset, non-current 8,000,000 3,000,000  
Accrued pension liability, current (29,000,000) (30,000,000)  
Accrued pension liability, non-current (388,000,000) (612,000,000)  
Accumulated other comprehensive income (loss) (311,000,000) (555,000,000)  
Aggregate projected benefit obligation and fair value of plan assets for plans with a projected benefit obligation in excess of plan assets      
Projected benefit obligation 2,006,000,000 1,992,000,000  
Fair value of plan assets 1,597,000,000 1,352,000,000  
Accumulated benefit obligation for all defined benefit pension plans      
Accumulated benefit obligation 1,700,000,000 1,700,000,000  
Aggregate accumulated benefit obligation and fair value of plan assets for plans with an accumulated benefit obligation in excess of plan assets      
Accumulated benefit obligation 1,637,000,000 1,648,000,000  
Fair value of plan assets 1,467,000,000 1,246,000,000  
U.S. Plans
     
Postemployment Benefit Plans      
Number of other unfunded supplemental benefit plans 2    
Number of funded defined benefit plans assumed in mergers and acquisitions 2    
Number of unfunded defined benefit plans assumed in mergers and acquisitions 2    
Weighted average assumptions used to determine benefit obligations      
Discount rate (as a percent) 5.01% 4.19%  
Compensation trend rate (as a percent) 4.24% 4.21%  
Weighted-average assumptions used to determine net periodic benefit costs      
Discount rate (as a percent) 4.19% 4.67% 5.49%
Expected rate of return (as a percent) 7.48% 7.47% 8.49%
Compensation trend rate (as a percent) 4.22% 4.22% 4.24%
Change in projected benefit obligation      
Projected benefit obligation, beginning of period 1,452,000,000 1,260,000,000  
Actuarial (gains) losses, net (147,000,000) 128,000,000  
Service cost 55,000,000 49,000,000 43,000,000
Interest cost 63,000,000 59,000,000 58,000,000
Benefits paid (45,000,000) (45,000,000)  
Special termination benefits 1,000,000 1,000,000  
Settlements and curtailments 1,000,000    
Projected benefit obligation, end of period 1,380,000,000 1,452,000,000 1,260,000,000
Change in plan assets      
Fair value of plan assets, beginning of period 948,000,000 769,000,000  
Actual return on plan assets 149,000,000 116,000,000  
Employer contributions 64,000,000 108,000,000  
Benefits paid (45,000,000) (45,000,000)  
Fair value of plan assets, end of period 1,116,000,000 948,000,000 769,000,000
Funded status, end of period (264,000,000) (504,000,000)  
Balance sheet classification, end of period:      
Accrued pension liability, current (2,000,000) (3,000,000)  
Accrued pension liability, non-current (262,000,000) (501,000,000)  
Accumulated other comprehensive income (loss) (198,000,000) (469,000,000)  
Aggregate projected benefit obligation and fair value of plan assets for plans with a projected benefit obligation in excess of plan assets      
Projected benefit obligation 1,380,000,000 1,452,000,000  
Fair value of plan assets 1,116,000,000 948,000,000  
Aggregate accumulated benefit obligation and fair value of plan assets for plans with an accumulated benefit obligation in excess of plan assets      
Accumulated benefit obligation 1,210,000,000 1,255,000,000  
Fair value of plan assets 1,116,000,000 948,000,000  
Non-U.S. Plans
     
Postemployment Benefit Plans      
Number of unfunded defined benefit plans 2    
Number of funded benefit plans 7    
Weighted average assumptions used to determine benefit obligations      
Discount rate (as a percent) 4.92% 5.37%  
Compensation trend rate (as a percent) 4.57% 4.38%  
Weighted-average assumptions used to determine net periodic benefit costs      
Discount rate (as a percent) 5.13% 5.43% 5.73%
Expected rate of return (as a percent) 5.79% 6.07% 6.42%
Compensation trend rate (as a percent) 4.21% 4.61% 4.62%
Change in projected benefit obligation      
Projected benefit obligation, beginning of period 499,000,000 447,000,000  
Actuarial (gains) losses, net 55,000,000 (15,000,000)  
Service cost 27,000,000 31,000,000 21,000,000
Interest cost 25,000,000 24,000,000 22,000,000
Currency exchange rate changes (11,000,000) 19,000,000  
Benefits paid (28,000,000) (23,000,000)  
Participant contributions 2,000,000 2,000,000  
Settlements and curtailments 4,000,000 14,000,000  
Projected benefit obligation, end of period 573,000,000 499,000,000 447,000,000
Change in plan assets      
Fair value of plan assets, beginning of period 422,000,000 351,000,000  
Actual return on plan assets 45,000,000 28,000,000  
Currency exchange rate changes (10,000,000) 15,000,000  
Employer contributions 50,000,000 49,000,000  
Participant contributions 2,000,000 2,000,000  
Benefits paid (28,000,000) (23,000,000)  
Fair value of plan assets, end of period 481,000,000 422,000,000 351,000,000
Funded status, end of period (92,000,000) (77,000,000)  
Balance sheet classification, end of period:      
Pension asset, non-current 8,000,000 3,000,000  
Accrued pension liability, current (23,000,000) (24,000,000)  
Accrued pension liability, non-current (77,000,000) (56,000,000)  
Accumulated other comprehensive income (loss) (114,000,000) (80,000,000)  
Aggregate projected benefit obligation and fair value of plan assets for plans with a projected benefit obligation in excess of plan assets      
Projected benefit obligation 573,000,000 482,000,000  
Fair value of plan assets 481,000,000 404,000,000  
Aggregate accumulated benefit obligation and fair value of plan assets for plans with an accumulated benefit obligation in excess of plan assets      
Accumulated benefit obligation 374,000,000 335,000,000  
Fair value of plan assets 351,000,000 298,000,000  
Non-U.S. Plans | Aker Drilling
     
Postemployment Benefit Plans      
Number of funded defined benefit plans assumed in mergers and acquisitions 3    
OPEB Plans
     
Weighted average assumptions used to determine benefit obligations      
Discount rate (as a percent) 4.54% 3.63%  
Weighted-average assumptions used to determine net periodic benefit costs      
Discount rate (as a percent) 3.39% 4.27% 4.94%
Health care cost trend rate, initial (as a percent) 8.07% 8.08% 8.08%
Health care cost trend rate, ultimate (as a percent) 5.00% 5.00% 5.00%
Change in projected benefit obligation      
Projected benefit obligation, beginning of period 58,000,000 53,000,000  
Actuarial (gains) losses, net (7,000,000) 4,000,000  
Service cost 1,000,000 1,000,000  
Interest cost 2,000,000 2,000,000  
Benefits paid (3,000,000) (3,000,000)  
Participant contributions 2,000,000 1,000,000  
Projected benefit obligation, end of period 53,000,000 58,000,000 53,000,000
Change in plan assets      
Employer contributions 1,000,000 2,000,000  
Participant contributions 2,000,000 1,000,000  
Benefits paid (3,000,000) (3,000,000)  
Funded status, end of period (53,000,000) (58,000,000)  
Balance sheet classification, end of period:      
Accrued pension liability, current (4,000,000) (3,000,000)  
Accrued pension liability, non-current (49,000,000) (55,000,000)  
Accumulated other comprehensive income (loss) 1,000,000 (6,000,000)  
Aggregate projected benefit obligation and fair value of plan assets for plans with a projected benefit obligation in excess of plan assets      
Projected benefit obligation 53,000,000 58,000,000  
Aggregate accumulated benefit obligation and fair value of plan assets for plans with an accumulated benefit obligation in excess of plan assets      
Accumulated benefit obligation $ 53,000,000 $ 58,000,000