Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 320	$ 306	$ 1,667	$ 1,377
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	500	(475)	(200)	(366)
(Loss) gain related to pension/post-retirement plans	(73)	82	136	102
Other comprehensive income (loss), before tax	427	(393)	(64)	(264)
Income tax (benefit) expense on other comprehensive income	(7)	11	29	20
Other comprehensive income (loss), net of tax	434	(404)	(93)	(284)
Comprehensive income (loss)	754	(98)	1,574	1,093
Less: comprehensive income attributable to non-controlling interest	4	3	25	26
Comprehensive income (loss) attributable to the Company	$ 750	$ (101)	$ 1,549	$ 1,067