Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 319	$ 623	$ 885	$ 1,220
Other comprehensive income (loss)
Foreign currency translation adjustments, net of tax	64	(60)	(223)	(29)
Pension and other postretirement benefit adjustments, net of tax	10	5	19	9
Other comprehensive income (loss)	74	(55)	(204)	(20)
Comprehensive Income	$ 393	$ 568	$ 681	$ 1,200