Fair Value Measurements - Narrative (Details) shares in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) d $ / bbl	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / bbl	Oct. 31, 2021 shares	May 01, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment in affiliate valuation adjustment	$ (53)	$ 96
Deferred compensation plan income (loss), net	(1)	(3)
Long-term debt	$ 5,949		$ 4,941
Debt instrument, convertible, conversion settlement period after notice | d	25
Equity securities, FV-NI (in shares) | shares				960
Investment in Laredo valuation adjustment		18
Gain on disposition of assets, net	$ 25	34
Impairment of long-lived assets	11	$ 0
Midland Basin | Underdeveloped Acres In Midland Basin
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain on disposition of assets, net	24
Commodity derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets (liabilities), at fair value, net	1		1
0.250% convertible senior notes due 2025 | Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	$ 870		$ 962		$ 1,300
Marketing derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, fair value input, WASP differential deduction | $ / bbl	1.81		1.67