Fair Value Measurements - Schedule of Derivative Obligations Under Terminated Hedge Arrangements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Investment in affiliate valuation adjustment	$ (33)	$ 37	$ 12
Deferred compensation plan asset valuation adjustment	2	(11)	3
Derivative [Line Items]
Derivative gain (loss), net	(75)	(315)	(2,183)
Commodity price and marketing derivatives related to equal and offsetting oil and gas commodity derivative trades			521
0.250% convertible senior notes due 2025 | Convertible debt
Derivative [Line Items]
Noncash derivative gain (loss), net	1	1	0
Cash receipts (payments) on settled derivatives, net	(13)	13
Derivative gain (loss), net	(12)	14	0
Commodity price derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net	0	158	437
Cash receipts (payments) on settled derivatives, net		(358)	(2,595)
Derivative gain (loss), net	0	(200)	(2,158)
Marketing derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net	11	(63)	14
Cash receipts (payments) on settled derivatives, net	(74)	(66)	(39)
Derivative gain (loss), net	$ (63)	$ (129)	$ (25)