Income Taxes (Taxes on Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
U.S., income before income taxes	$ 725	$ 702	$ 313
Other, income before income taxes	1,755	1,605	1,744
Total income before income taxes	2,480	2,307	2,057
U.S. Federal, current	208	90	80
Other national governments, current	366	385	369
U.S. state and local, current	43	52	26
Total current income taxes	617	527	475
U.S. Federal, deferred	26	125	27
Other national governments, deferred	32	15	62
U.S. state and local, deferred	10	4	22
Total deferred income taxes	68	144	111
Total income taxes	$ 685	$ 671	$ 586