v2.4.1.9
Income Taxes (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 $ 2,136us-gaap_CurrentFederalTaxExpenseBenefit $ 1,730us-gaap_CurrentFederalTaxExpenseBenefit $ 982us-gaap_CurrentFederalTaxExpenseBenefit
U.S. state and local 264us-gaap_CurrentStateAndLocalTaxExpenseBenefit 288us-gaap_CurrentStateAndLocalTaxExpenseBenefit 189us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Non-U.S. 412us-gaap_CurrentForeignTaxExpenseBenefit 514us-gaap_CurrentForeignTaxExpenseBenefit 445us-gaap_CurrentForeignTaxExpenseBenefit
Total current income tax expense 2,812us-gaap_CurrentIncomeTaxExpenseBenefit 2,532us-gaap_CurrentIncomeTaxExpenseBenefit 1,616us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit):      
U.S. federal 352us-gaap_DeferredFederalIncomeTaxExpenseBenefit 113us-gaap_DeferredFederalIncomeTaxExpenseBenefit 359us-gaap_DeferredFederalIncomeTaxExpenseBenefit
U.S. state and local 39us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 4us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 39us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Non-U.S. (97)us-gaap_DeferredForeignIncomeTaxExpenseBenefit (120)us-gaap_DeferredForeignIncomeTaxExpenseBenefit (45)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Total deferred income tax expense 294us-gaap_DeferredIncomeTaxExpenseBenefit (3)us-gaap_DeferredIncomeTaxExpenseBenefit 353us-gaap_DeferredIncomeTaxExpenseBenefit
Total income tax expense on continuing operations $ 3,106us-gaap_IncomeTaxExpenseBenefit $ 2,529us-gaap_IncomeTaxExpenseBenefit $ 1,969us-gaap_IncomeTaxExpenseBenefit