Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 507	$ 480	$ 1,085	$ 970
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	290	(334)	525	(321)
Unrealized investment gains	24	0	19	0
(Loss) gain related to pension/post-retirement plans	(5)	163	28	301
Other comprehensive income (loss), before tax	309	(171)	572	(20)
Income tax expense on other comprehensive income	13	33	20	61
Other comprehensive income (loss), net of tax	296	(204)	552	(81)
Comprehensive income	803	276	1,637	889
Less: comprehensive income attributable to non-controlling interest	6	8	15	17
Comprehensive income attributable to the Company	$ 797	$ 268	$ 1,622	$ 872