Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest expense	$ 109		$ 85	$ 324	$ 255
Interest income	(26)		(15)	(64)	(52)
Pension and postretirement net periodic benefit cost (benefit)	(38)		(19)	(73)	(59)
Loss on deconsolidation of Venezuelan subsidiary		$ 162		162
Total	$ 45		$ 51	$ 349	$ 144
Venezuela
Total		$ 162