Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest expense	$ 137	$ 111	$ 260	$ 215
Interest income	(9)	(18)	(19)	(38)
Pension and postretirement net periodic benefit cost (benefit)	(17)	1	(34)	(35)
Total	$ 111	256	$ 207	304
Venezuela
Loss on deconsolidation of Venezuelan subsidiary		$ 162		$ 162