Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 480	$ 429	$ 970	$ 924
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	(334)	246	(321)	(180)
Gain (loss) related to pension/post-retirement plans	163	(83)	301	153
Other comprehensive (loss) income, before tax	(171)	163	(20)	(27)
Income tax expense (credit) on other comprehensive income	33	(4)	61	49
Other comprehensive (loss) income, net of tax	(204)	167	(81)	(76)
Comprehensive income	276	596	889	848
Less: comprehensive income attributable to non-controlling interest	8	10	17	23
Comprehensive income attributable to the Company	$ 268	$ 586	$ 872	$ 825