Income Taxes Components (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Components of Income From Continuing Operations Before Income Taxes [Abstract]
U.S.	$ 1,329	$ 655	$ 493
Non-U.S.	1,933	1,774	1,531
Income from Continuing Operations Before Income Taxes	3,262	2,429	2,024
Current Income Tax Provision [Abstract]
Federal	165	1,259	280
Non-U.S.	574	576	349
State	59	62	9
Total Current Income Tax Provision	798	1,897	638
Deferred Income Tax Provision (Benefit) [Abstract]
Federal	(258)	(1,437)	(510)
Non-U.S.	(187)	(271)	(104)
State	(29)	12	(25)
Total Deferred Income Tax Provision (Benefit)	(474)	(1,696)	(639)
Provision for (benefit from) income taxes	$ 324	$ 201	$ (1)