Consolidated Statement of Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Accumulated Deficit	AOCI Attributable to Parent	Common Stock Held in Treasury	Total Stockholder's Equity	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2022		1,613				183
Balance at Dec. 31, 2022	$ 24,871	$ 161	$ 25,322	$ (3,907)	$ (320)	$ (5,701)	$ 15,555	$ 9,316
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards (in shares)		5
Exercised and issued stock-based awards	63	$ 1	62				63
Stock-based compensation, including the tender of shares (in shares)						1
Stock-based compensation, including the tender of shares	2		74			$ (71)	3	(1)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders								407
Dividends	1,056
Dividends			(649)				(649)
Contributions from noncontrolling interests	50		24				24	26
Net loss attributable to common stockholders	1,460			1,460			1,460
Net income (loss) attributable to noncontrolling interests	1,284							1,284
Other comprehensive income	3				3		3	0
Balance (in shares) at Sep. 30, 2023		1,618				184
Balance at Sep. 30, 2023	26,677	$ 162	24,833	(2,447)	(317)	$ (5,772)	16,459	10,218
Balance (in shares) at Jun. 30, 2023		1,618				184
Balance at Jun. 30, 2023	26,027	$ 162	25,028	(2,901)	(318)	$ (5,769)	16,202	9,825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	7		7				7
Stock-based compensation, including the tender of shares	11		14			$ (3)	11
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders								116
Dividends	332
Dividends			(216)				(216)
Net loss attributable to common stockholders	454			454			454
Net income (loss) attributable to noncontrolling interests	510							510
Other comprehensive income	0				1		1	(1)
Balance (in shares) at Sep. 30, 2023		1,618				184
Balance at Sep. 30, 2023	26,677	$ 162	24,833	(2,447)	(317)	$ (5,772)	16,459	10,218
Balance (in shares) at Dec. 31, 2023		1,619				184
Balance at Dec. 31, 2023	27,310	$ 162	24,637	(2,059)	(274)	$ (5,773)	16,693	10,617
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards (in shares)		5				1
Exercised and issued stock-based awards	54		54				54
Stock-based compensation, including the tender of shares (in shares)						1
Stock-based compensation, including the tender of shares	13		77			$ (62)	15	(2)
Treasury stock purchases (in shares)						1
Treasury stock purchases	(59)					$ (59)	(59)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders								1,269
Acquisition of additional ownership interest in Cerro Verde	(215)		(125)				(125)
Dividends	1,918
Dividends			(649)				(649)
Contributions from noncontrolling interests	2		3				3	(1)
Net loss attributable to common stockholders	1,615			1,615			1,615
Net income (loss) attributable to noncontrolling interests	2,063							2,063
Other comprehensive income	1				1		1
Balance (in shares) at Sep. 30, 2024		1,624				187
Balance at Sep. 30, 2024	28,866	$ 162	23,997	(444)	(273)	$ (5,894)	17,548	11,318
Balance (in shares) at Jun. 30, 2024		1,624				186
Balance at Jun. 30, 2024	28,686	$ 162	24,321	(970)	(274)	$ (5,835)	17,404	11,282
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	1		1				1
Stock-based compensation, including the tender of shares	14		13				13	1
Treasury stock purchases (in shares)						1
Treasury stock purchases	(59)					$ (59)	(59)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders								584
Acquisition of additional ownership interest in Cerro Verde	(215)		(125)					(90)
Dividends	800
Dividends			(216)				(216)
Contributions from noncontrolling interests	2		3				3	(1)
Net loss attributable to common stockholders	526			526			526
Net income (loss) attributable to noncontrolling interests	710							710
Other comprehensive income	1				1		1	0
Balance (in shares) at Sep. 30, 2024		1,624				187
Balance at Sep. 30, 2024	$ 28,866	$ 162	$ 23,997	$ (444)	$ (273)	$ (5,894)	$ 17,548	$ 11,318