Fair Value Measurements - Schedule of Derivative Obligations Under Terminated Hedge Arrangements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ 40	$ (32)	$ 4	$ (1)
Deferred compensation plan asset valuation adjustment	3	(2)	2	(13)
Derivative [Line Items]
Derivative gain (loss), net	(190)	13	(235)	(187)
0.250% convertible senior notes due 2025 | Convertible debt
Derivative [Line Items]
Noncash derivative gain (loss), net	4	(23)	1	0
Cash receipts (payments) on settled derivatives, net	(18)	17	(14)	17
Derivative gain (loss), net	(14)	(6)	(13)	17
Commodity price derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net	0	59	0	20
Cash receipts (payments) on settled derivatives, net		(121)		(252)
Derivative gain (loss), net	0	(62)	0	(232)
Marketing derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net	(155)	99	(170)	75
Cash receipts (payments) on settled derivatives, net	(21)	(18)	(52)	(47)
Derivative gain (loss), net	$ (176)	$ 81	$ (222)	$ 28