CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net Loss	$ (272)	$ (1,704)
Adjustments to Reconcile Net Loss to Net Cash Provided by Operating Activities:
Depreciation and Amortization	337	387
Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost	(37)	0
Bond Redemption Premium Expense Add Back for Cash Flows	22	0
Cash Flow Expense Add Back for Loss on Termination of ABL Credit Agreement	0	15
Impairment, Long-Lived Asset, Held-for-Use	0	1,057
Inventory Charges	50	166
Gain (Loss) on Disposition of Other Assets	(22)	8
Deferred Income Tax Expense (Benefit)	15	10
Employee Benefits and Share-based Compensation	13	0
Changes in Operating Assets and Liabilities, Net:
Accounts Receivable	5	358
Inventories	(14)	(4)
Accounts Payable	27	(248)
Other Assets and Liabilities, Net	36	143
Net Cash Provided by Operating Activities	234	188
Cash Flows From Investing Activities:
Capital Expenditures for Property, Plant and Equipment	(44)	(100)
Proceeds from Disposition of Assets	39	13
Other Investing Activities	(3)	(22)
Net Cash Used in Investing Activities	(2)	(65)
Cash Flows From Financing Activities:
Proceeds from Issuance of Secured Debt	491	457
Repayments of Long-term Debt	(510)	(7)
Repayments of Short-term Debt, Net	(4)	(22)
Payment for Debt Extinguishment or Debt Prepayment Cost	(22)	0
Deferred Consideration Payment	0	(24)
Other Financing Activities	(20)	(28)
Net Cash Provided by (Used in) Financing Activities, Total	(65)	376
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(6)	(6)
Net Increase in Cash, Cash Equivalents and Restricted Cash	161	493
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	1,285	800
Cash, Cash Equivalents and Restricted Cash at End of Period	1,446	1,293
Supplemental Cash Flow Information:
Interest Paid	171	114
Income Taxes Paid, Net of Refunds	$ 44	$ 60