Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018		Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net Income (Loss)		$ (1,934)	$ (416)		$ 181
Currency Translation Adjustments, Net of Tax	[1]	3	(31)		35
Reclassification of currency translation adjustments on divestitures, Net of Tax	[1]	15	42		0
Reclassification of divested benefit plans and other	[1]	(1)	62		0
Unrecognized gains (losses), net	[1]	1	1		2
Changes in benefit plans, net	[1]	0	0		(5)
Other Comprehensive Income (Loss), Net		18	74	[1]	32	[1]
Comprehensive Income (Loss), Net		$ (1,916)	$ (342)		$ 213

[1] All amounts are net of tax. Tax effects were immaterial. Refer to Note 19 – Other Comprehensive Income (Loss) for information about pre-tax amounts.