v3.19.3.a.u2
Income And Other Taxes (Deferred Income Tax (Assets) And Liabilities By Balance Sheet Classification) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Income And Other Taxes [Abstract]    
Other assets, including intangibles, net $ (3,268) $ (3,209)
Deferred income tax liabilities 25,620 27,244
Net deferred tax liabilities $ 22,352 $ 24,035