Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 578	$ 490
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	235	13
Unrealized investment gains (losses)	(5)	0
Gain related to pension/post-retirement plans	33	138
Other comprehensive income, before tax	263	151
Income tax expense on other comprehensive income	7	28
Other comprehensive income, net of tax	256	123
Comprehensive income	834	613
Less: comprehensive income attributable to non-controlling interest	9	9
Comprehensive income attributable to the Company	$ 825	$ 604