Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest expense	$ 128	$ 109		$ 388	$ 324
Interest income	(5)	(26)		(24)	(64)
Pension and postretirement net periodic benefit cost (benefit)	(19)	(38)		(53)	(73)
Total	$ 104	$ 45		$ 311	349
Venezuela
Loss on deconsolidation of Venezuelan subsidiary			$ 162		$ 162