Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 727	$ 696
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	96	228
(Loss) related to pension/post-retirement plans	(43)	(84)
Other comprehensive income, before tax	53	144
Income tax (benefit) on other comprehensive income	(4)	(8)
Other comprehensive income, net of tax	57	152
Comprehensive income	784	848
Less: comprehensive income attributable to non-controlling interest	11	6
Comprehensive income attributable to the Company	$ 773	$ 842