Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Assets, Current [Abstract]
Cash and cash equivalents	$ 859	$ 864
Short-term investments	0	5
Receivables, net	253	376
Inventories, net	144	172
Related party receivable	11	64
Prepaid expenses and other contract assets	47	39
Other current assets	18	22
Assets held for sale	317	0
Total current assets	1,649	1,543
Property, plant and equipment, net	473	499
Operating lease right-of-use assets	100
Equity method investment	87	101
Goodwill	290	291
Intangible assets, net	17	102
Deferred tax assets	7	11
Investments	9	8
Other non-current assets	111	78
Total assets	2,743	2,632
Liabilities, Current [Abstract]
Accounts payable	233	369
Related party payables	3	16
Accrued expenses	192	193
Income tax payable	7	9
Other current liabilities	38	48
Liabilities held for sale	118	0
Total current liabilities	591	636
4% Convertible Senior Notes due 2024	160	0
Pension liability	17	20
Deferred tax liabilities	13	13
Operating lease non-current liabilities	82
Financial lease non-current liabilities	33
Financial lease non-current liabilities		1
Other non-current liabilities	29	37
Total non-current liabilities	334	70
Equity
Common stock	111	87
Additional paid-in capital	2,343	1,938
Accumulated deficit	(681)	(181)
Accumulated other comprehensive loss	(44)	(19)
Total Equity	1,729	1,826
Non-controlling interest	89	101
Total Equity and non-controlling interests	1,818	1,927
Total liabilities, Equity and non-controlling interests	$ 2,743	$ 2,632