Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Income Tax Expense (Benefit) (Details)

v2.4.1.9
Income Taxes - Components of Income Tax Expense (Benefit) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Current income tax expense      
U.S. federal $ 443us-gaap_CurrentFederalTaxExpenseBenefit $ 180us-gaap_CurrentFederalTaxExpenseBenefit $ 458us-gaap_CurrentFederalTaxExpenseBenefit
U.S. state and local 340us-gaap_CurrentStateAndLocalTaxExpenseBenefit 786us-gaap_CurrentStateAndLocalTaxExpenseBenefit 592us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Non-U.S. 513us-gaap_CurrentForeignTaxExpenseBenefit 513us-gaap_CurrentForeignTaxExpenseBenefit 569us-gaap_CurrentForeignTaxExpenseBenefit
Total current expense 1,296us-gaap_CurrentIncomeTaxExpenseBenefit 1,479us-gaap_CurrentIncomeTaxExpenseBenefit 1,619us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit)      
U.S. federal 583us-gaap_DeferredFederalIncomeTaxExpenseBenefit 2,056us-gaap_DeferredFederalIncomeTaxExpenseBenefit (3,433)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
U.S. state and local 85us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit (94)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit (55)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Non-U.S. 58us-gaap_DeferredForeignIncomeTaxExpenseBenefit 1,300us-gaap_DeferredForeignIncomeTaxExpenseBenefit 753us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit) 726us-gaap_DeferredIncomeTaxExpenseBenefit 3,262us-gaap_DeferredIncomeTaxExpenseBenefit (2,735)us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense (benefit) $ 2,022us-gaap_IncomeTaxExpenseBenefit $ 4,741us-gaap_IncomeTaxExpenseBenefit $ (1,116)us-gaap_IncomeTaxExpenseBenefit