Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid In Capital	Accumulated deficit	Net Former Parent Investment	Accumulated Other Comprehensive Loss	Non-controlling Interest
Balance at beginning of period at Dec. 31, 2017	$ 957	$ 0	$ 0		$ 844	$ (8)	$ 121
Comprehensive Income (Loss):
Net loss	(103)				(95)		(8)
Foreign currency translation	(4)					(5)	1
Net change in cash flow hedges	1					1
Pension liability	(1)					(1)
Reclassification of Net Former Parent investment and issuance of ordinary shares in connection with separation	0	87	1,915		(2,002)
Total Comprehensive Income (Loss)	(107)	87	1,915		(2,097)	(5)	(7)
Net transfers from Former Parent	1,252				1,253		(1)
Balance at end of period at Jun. 30, 2018	2,102	87	1,915		$ 0	(13)	113
Balance at beginning of period at Dec. 31, 2018	1,927	87	1,938	$ (181)		(19)	101
Comprehensive Income (Loss):
Net loss	(290)			(270)			(20)
Foreign currency translation	(13)					(15)	2
Stock based compensation expense	3		3
Issuance of common stock	403	24	379
Purchase of minority interest	0		(14)				14
Equity component of issuance of convertible notes, net of taxes (Note 5)	35		35
Total Comprehensive Income (Loss)	138	24	403	(270)		(15)	(4)
Balance at end of period at Jun. 30, 2019	$ 2,064	$ 111	$ 2,341	$ (451)		$ (34)	$ 97