Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities
Net loss	$ (453)	$ (429)
Depreciation and amortization	73	90
Gain on divestitures	(77)	0
Assets impairment charge	168	0
Undistributed loss from equity method investments	39	50
Stock-based compensation	6	5
Deferred income taxes	(3)	(7)
Other, net	3	(7)
Change in operating assets and liabilities:
Receivables, gross	36	48
Accrued expenses	45	42
Related party receivables and payables, net	4	37
Accounts payable	(8)	(18)
Prepaid expenses and other contract assets	14	(10)
Inventories, gross	15	1
Income taxes	20	0
Other current assets and liabilities, net	3	(23)
Net cash used in operating activities	(115)	(221)
Investing activities
Proceeds from divestitures	198	0
Capital expenditures	(70)	(168)
Equity method investment	10
Equity method investment		(32)
Short-term investments mature into cash	0	5
Long term investments	(1)	(3)
Proceeds from sale of property, plant and equipment	10	0
Acquisition of intangible assets	(10)	0
Acquisition of business net of cash acquired	(33)	0
Net cash provided by (used in) investing activities	104	(198)
Financing activities
Issuance of common stock	0	405
Dividend paid to non-controlling interest	(5)	0
(Payments for) proceeds from long-term debt	(1)	206
(Payments for) Proceeds from short-term debt	(2)	22
Net increase in related party short-term debt	0	1
Net cash (used in) provided by financing activities	(8)	634
Effect of exchange rate changes on cash and cash equivalents	6	(17)
Increase (decrease) in cash and cash equivalents	(13)	198
Cash and cash equivalents at beginning of period	859	864
Cash and cash equivalents at end of period	$ 846	$ 1,062