Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flow from operating activities:
Net income	$ 1,049	$ 1,904
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	399	489
Stock-based compensation	53	49
Net charges for environmental and asset retirement obligations, including accretion	117	55
Payments for environmental and asset retirement obligations	(60)	(55)
Net charges for defined pension and postretirement plans	16	10
Pension plan contributions	(2)	(25)
Deferred income taxes	35	48
Change in deferred profit on sales to PT Smelting	(112)	53
Other, net	22	(26)
Changes in working capital and other:
Accounts receivable	157	(222)
Inventories	(457)	47
Other current assets	(20)	19
Accounts payable and accrued liabilities	(303)	(519)
Accrued income taxes and timing of other tax payments	156	(136)
Net cash provided by operating activities	1,050	1,691
Cash flow from investing activities:
Capital expenditures	(1,121)	(723)
Loans to PT Smelting for expansion	(24)	(9)
Other, net	(19)	18
Net cash used in investing activities	(1,164)	(714)
Cash flow from financing activities:
Proceeds from debt	284	604
Repayments of debt	(1,273)	(434)
Cash dividends and distributions paid:
Common stock	(217)	(220)
Noncontrolling interests	0	(204)
Treasury stock purchases	0	(541)
Contributions from noncontrolling interests	50	47
Proceeds from exercised stock options	31	101
Payments for withholding of employee taxes related to stock-based awards	47	55
Debt financing costs and other, net	0	(1)
Net cash used in financing activities	(1,172)	(703)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(1,286)	274
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of year	8,390	8,314
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	7,104	8,588
North America Copper Mines Segment
Cash flow from investing activities:
Capital expenditures	(196)	(130)
South America Mines Segment
Cash flow from investing activities:
Capital expenditures	(100)	(56)
Grasberg Segment
Cash flow from investing activities:
Capital expenditures	(449)	(379)
Indonesia Smelter
Cash flow from investing activities:
Capital expenditures	(323)	(130)
Molybdenum
Cash flow from investing activities:
Capital expenditures	(9)	(1)
Other Segments
Cash flow from investing activities:
Capital expenditures	$ (44)	$ (27)