Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 671	$ 566
Other comprehensive income (loss)
Foreign currency translation adjustments, net of tax	(7)	(287)
Pension and other postretirement benefit adjustments, net of tax	11	9
Other comprehensive income (loss)	4	(278)
Comprehensive Income	$ 675	$ 288