Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income before non-controlling interests	$ 827	$ 580	$ 1,825	$ 1,347
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	24	241	(67)	(700)
Gain related to pension/post-retirement plans	24	34	30	209
Other comprehensive income (loss), before tax	48	275	(37)	(491)
Income tax expense on other comprehensive income	4	10	6	36
Other comprehensive income (loss), net of tax	44	265	(43)	(527)
Comprehensive income	871	845	1,782	820
Less: comprehensive income attributable to non-controlling interest	7	8	22	21
Comprehensive income attributable to the Company	$ 864	$ 837	$ 1,760	$ 799