v2.4.0.8
Income Taxes (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Components of provision (benefit) for income taxes      
Current tax expense $ 267,000,000 $ 183,000,000 $ 386,000,000
Deferred tax benefit (9,000,000) (133,000,000) (62,000,000)
Income tax expense 258,000,000 50,000,000 324,000,000
Swiss holding company federal statutory rate (as a percent) 7.83%    
Reconciliation of the differences between the income tax expense for the entity's continuing operations computed at the Swiss holding company statutory rate and the reported provision for income taxes      
Income tax expense at the Swiss federal statutory rate 130,000,000 68,000,000 (426,000,000)
Taxes on earnings subject to rates different than the Swiss federal statutory rate 185,000,000 141,000,000 221,000,000
Taxes on impairment loss subject to rates different than the Swiss federal statutory rate 5,000,000 5,000,000 409,000,000
Taxes on asset sales subject to rates different than the Swiss federal statutory rate 9,000,000 (1,000,000)  
Taxes on litigation matters subject to rates different than the Swiss federal statutory rate (33,000,000) 59,000,000 78,000,000
Changes in unrecognized tax benefits, net (62,000,000) (179,000,000) 40,000,000
Change in valuation allowance 37,000,000 1,000,000 19,000,000
Benefit from foreign tax credits (18,000,000) (38,000,000) (28,000,000)
Taxes on asset acquisition costs at rates lower than the Swiss federal statutory rate     8,000,000
Other, net 5,000,000 (6,000,000) 3,000,000
Income tax expense 258,000,000 50,000,000 324,000,000
Deferred tax assets      
Net operating loss carryforwards 369,000,000 380,000,000  
Tax credit carryforwards 21,000,000 41,000,000  
Accrued payroll expenses not currently deductible 98,000,000 95,000,000  
Deferred income 62,000,000 86,000,000  
Valuation allowance (247,000,000) (210,000,000)  
Loss contingencies 36,000,000    
Professional fees 89,000,000 66,000,000  
Other 28,000,000 43,000,000  
Total deferred tax assets 456,000,000 501,000,000  
Deferred tax liabilities      
Depreciation and amortization (650,000,000) (688,000,000)  
Other (29,000,000) (37,000,000)  
Total deferred tax liabilities (679,000,000) (725,000,000)  
Net deferred tax liabilities (223,000,000) (224,000,000)  
U.S. foreign tax credit carryforwards 21,000,000 41,000,000  
Deferred taxes      
Valuation allowance for non-current deferred tax assets 247,000,000 210,000,000  
Indefinitely reinvested earnings of subsidiaries 2,500,000,000    
Estimated taxes on unremitted earnings of subsidiaries, low end of range 180,000,000    
Estimated taxes on unremitted earnings of subsidiaries, high end of range 250,000,000    
Reconciliation of unrecognized tax benefits, excluding interest and penalties      
Balance, beginning of period 382,000,000 515,000,000 485,000,000
Additions for current year tax positions 24,000,000 58,000,000 45,000,000
Additions for prior year tax positions 10,000,000 25,000,000 29,000,000
Reductions for prior year tax positions (72,000,000) (24,000,000)  
Settlements (6,000,000) (120,000,000) (42,000,000)
Reductions related to statute of limitation expirations (12,000,000) (72,000,000) (2,000,000)
Balance, end of period 326,000,000 382,000,000 515,000,000
Unrecognized tax benefits      
Unrecognized tax benefits, excluding interest and penalties 326,000,000 382,000,000  
Interest and penalties 176,000,000 199,000,000  
Unrecognized tax benefits, including interest and penalties 502,000,000 581,000,000  
Interest and penalties related to unrecognized tax benefits recognized as a component of income tax expense 23,000,000 56,000,000 20,000,000
Norway
     
Income taxes      
Tax effect of foreign net operating losses 161,000,000 178,000,000  
Brazil
     
Income taxes      
Tax effect of foreign net operating losses $ 49,000,000 $ 55,000,000