CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flow from operating activities:
Net income (loss)	$ 5,365	$ 865	$ (189)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	1,998	1,528	1,412
Metals inventory adjustments	16	96	179
Net gain on sales of assets	(80)	(473)	(417)
Stock-based compensation	98	99	63
Net charges for environmental and asset retirement obligations, including accretion	540	181	221
Payments for environmental and asset retirement obligations	273	216	244
Net charges for defined pension and postretirement plans	4	65	108
Pension plan contributions	(109)	(121)	(75)
Net loss on early extinguishment of debt	0	101	27
Deferred income taxes	(171)	181	29
Charges for Cerro Verde royalty dispute	11	32	65
Payments for Cerro Verde royalty dispute	(421)	(139)	(187)
Other, net	(18)	23	141
Changes in working capital and other:
Accounts receivable	(472)	132	119
Inventories	(618)	42	259
Other current assets	(101)	(27)	60
Accounts payable and accrued liabilities	495	115	(60)
Accrued income taxes and timing of other tax payments	1,451	403	(29)
Net cash provided by (used in) operating activities	7,715	3,017	1,482
Cash flow from investing activities:
Capital expenditures	(2,115)	(1,961)	(2,652)
Proceeds from sales of assets
Proceeds from sales of assets	247	704	561
Loans to PT Smelting for expansion	(36)	0	0
Acquisition of minority interest in PT Smelting	(33)	0	0
Other, net	(27)	(7)	(12)
Net cash provided by (used in) investing activities	(1,964)	(1,264)	(2,103)
Cash flow from financing activities:
Proceeds from debt	1,201	3,531	1,879
Repayments of debt	(1,461)	(3,724)	(3,197)
Cash dividends and distributions paid:
Common stock	(331)	(73)	(291)
Noncontrolling interests	(583)	0	(82)
Treasury stock purchases	(488)	0	0
Contributions from noncontrolling interests	182	156	165
Proceeds from exercised stock options	210	51	2
Payments for withholding of employee taxes related to stock-based awards	(29)	(17)	(8)
Other, net	(41)	(52)	(24)
Net cash used in financing activities	(1,340)	(128)	(1,556)
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	4,411	1,625	(2,177)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	8,314	3,903	2,278
North America copper mines
Cash flow from investing activities:
Capital expenditures	(342)	(428)	(877)
South America
Cash flow from investing activities:
Capital expenditures	(162)	(183)	(256)
Indonesia mining
Cash flow from investing activities:
Capital expenditures	(1,296)	(1,161)	(1,369)
Corporate, Other and Eliminations, Indonesia Smelter
Cash flow from investing activities:
Capital expenditures	(222)	(105)	0
Molybdenum mines
Cash flow from investing activities:
Capital expenditures	(6)	(19)	(19)
Other
Cash flow from investing activities:
Capital expenditures	(87)	(65)	(131)
Asbestos Contamination in Talc-Based Personal Care Products
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Charge for talc-related litigation	$ 0	$ 130	$ 0