CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Net income	$ 500	$ 303	$ 995
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	269	297	304
Deferred income taxes	(261)	15	(899)
Share-based compensation expense	26	31	30
Amortization of deferred debt issuance costs and discount on debt	8	11	10
Loss on extinguishment of debt	21	65	2
Other non-cash affecting net income	50	36	65
Changes in assets and liabilities:
Decrease (increase) in accounts receivable, net	233	(108)	(49)
(Increase) decrease in inventories, net	(255)	53	(21)
Decrease (increase) in prepaid and other assets	47	53	(29)
(Decrease) increase in accounts payable and accrued liabilities	(5)	53	17
Net changes in income tax payables and receivables	5	9	(2)
Changes in other non-current assets and liabilities	(40)	(78)	(68)
Cash provided by operating activities	598	740	355
Cash Flows from Investing Activities:
Capital expenditures	(428)	(272)	(195)
Insurance proceeds	0	1	1
Loans	0	0	(36)
Proceeds from the sale of assets	13	2	1
Cash used in investing activities	(415)	(269)	(229)
Cash Flows from Financing Activities:
Repayments of short-term debt	(113)	0	(13)
Repayments of long-term debt	(516)	(3,212)	(233)
Proceeds from short-term debt	142	0	13
Proceeds from long-term debt	396	2,472	500
Repurchase of common stock	(50)	0	0
Debt issuance costs	(4)	(37)	(10)
Call premium paid	(18)	(40)	0
Dividends paid	(87)	(65)	(40)
Restricted stock and performance-based shares settled in cash for taxes	0	(3)	(3)
Proceeds from the exercise of stock options	0	8	0
Cash (used in) provided by financing activities	(250)	(877)	214
Effects of exchange rate changes on cash and cash equivalents and restricted cash	(1)	(10)	(3)
Net (decrease) increase in cash and cash equivalents and restricted cash	(68)	(416)	337
Cash and cash equivalents and restricted cash at beginning of period	232	648	311
Cash and cash equivalents and restricted cash at end of period	164	232	648
Supplemental cash flow information:
Interest paid, net	114	138	159
Income taxes paid	$ 60	$ 47	$ 17