Consolidated Statements of Cash Flow - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities
Net loss	$ (385)	$ (544)	$ (522)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	114	103	115
Gain on divestiture	0	(77)	0
Assets impairment charge	0	168	0
(Gain) /loss from equity method investments	(6)	39	70
Stock-based compensation expense	11	6	5
Deferred income taxes	1	1	(6)
Other, net	16	15	(11)
Change in operating assets and liabilities
Receivables, gross	19	(4)	43
Accounts payable	36	18	(56)
Related party receivable and payables, net	1	2	35
Income taxes	(17)	16	3
Inventories, gross	(82)	8	5
Accrued expenses	(8)	40	19
Prepaid expenses and contract assets	(4)	12	(15)
Other current assets and liabilities, net	13	5	(10)
Net cash used in operating activities	(291)	(192)	(325)
Investing activities
Proceeds from divestitures	0	198	0
Proceeds from sale of property, plant and equipment	1	10	2
Capital expenditures	(60)	(91)	(213)
Equity method investments	29	9
Equity method investments			(58)
Short-term investments	0	0	5
Acquisition of intangible assets	(1)	(10)	0
Acquisition of businesses and interest in affiliates, net of cash acquired	0	(33)	0
Net decrease (increase) other non-current assets	0	2	(1)
Net cash (used in) / provided by investing activities	(31)	85	(265)
Financing activities
Issuance of common stock	0	0	403
Dividend paid to non-controlling interest	0	(5)	0
(Repayment of)/proceeds from long-term debt	0	(1)	210
(Repayment of)/proceeds from short-term debt	(8)	(3)	22
Proceeds from exercise of stock options	1	0	0
Net increase in related party short-term debt	0	0	1
Net cash provided by financing activities	(7)	(9)	636
Effect of exchange rate changes on cash and cash equivalents	(5)	15	(16)
(Decrease)/increase in cash and cash equivalents	(334)	(101)	30
Cash and cash equivalents at beginning of year	758	859	864
Cash and equivalents at end of period, assets held for sale	0	0	(35)
Cash and cash equivalents at end of year	424	758	859
Supplemental Disclosures:
Cash paid for income taxes	31	8	11
Cash paid for interest	$ 9	$ 8	$ 4