Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest expense	$ 111	$ 88	$ 215	$ 170
Interest income	(18)	(16)	(38)	(37)
Pension and postretirement net periodic benefit cost (benefit)	1	(21)	(35)	(40)
Loss on deconsolidation of Venezuelan subsidiary	162		162
Total	256	$ 51	$ 304	$ 93
Venezuela
Total	$ 162