Income Taxes - Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current income tax expense
U.S. state and local	$ 16	$ 1	$ (4)
Non-U.S.	81	83	73
Total current	97	84	69
Deferred income tax expense
U.S. federal	330	133	(16)
U.S. state and local	71	75	31
Non-U.S.	39	31	27
Total deferred	440	239	42
Total income tax provision	$ 537	$ 323	$ 111