Consolidated Statement of Comprehensive Income - 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]
Profit of consolidated and affiliated companies	$ 1,414	$ 459	$ 2,945	$ 1,552
Foreign currency translation	99	175	(248)	(185)
Pension and other post retirement benefits	(7)	(5)	(15)	(12)
Derivative financial instruments	43	(12)	12	(72)
Available for sale securities	1	39	(15)	21
Total other comprehensive income (loss), net of tax	136	197	(266)	(248)
Comprehensive income	1,550	656	2,679	1,304
Less: comprehensive income attributable to the noncontrolling interests	1	1	2	2
Comprehensive income attributable to shareholders	$ 1,549	$ 655	$ 2,677	$ 1,302