Condensed Consolidated Statements of Cash Flow - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net loss	$ (321)	$ (290)
Depreciation and amortization	46	60
Gain on divestitures	(77)	0
Assets impairment charge	144	0
Undistributed loss from equity method investments	38	35
Stock-based compensation	4	3
Deferred income taxes	(1)	(4)
Other, net	(9)	5
Change in operating assets and liabilities:
Receivables, gross	50	49
Accrued expenses	22	15
Related party receivables and payables, net	2	44
Accounts payable	(86)	(65)
Prepaid expenses	29	(6)
Inventories, gross	14	9
Income taxes	21	0
Other current assets and liabilities, net	8	(15)
Net cash used in operating activities	(116)	(160)
Investing activities
Proceeds from divestitures	176	0
Capital expenditures	(51)	(109)
Equity method investment	(25)	(11)
Short-term investments mature into cash	0	5
Long term investments	(1)	(4)
Net cash provided by (used in) investing activities	99	(119)
Financing activities
Issuance of common stock	0	405
Dividend paid to non-controlling interest	(5)	0
(Payments for) proceeds from long-term debt		202
(Payments for) proceeds from long-term debt	(1)
Proceeds from short-term debt	15	20
Net increase in related party short-term debt	0	2
Net cash provided by financing activities	9	629
Effect of exchange rate changes on cash and cash equivalents	0	(10)
Increase (decrease) in cash and cash equivalents	(8)	340
Cash and cash equivalents at beginning of period	859	864
Cash and cash equivalents at end of period	$ 851	$ 1,204