Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 19,374	$ 24,384	$ 17,870
Oil sales
Disaggregation of Revenue [Line Items]
Total revenue	10,462	12,289	8,808
NGL sales
Disaggregation of Revenue [Line Items]
Total revenue	1,617	2,204	1,707
Gas sales
Disaggregation of Revenue [Line Items]
Total revenue	910	1,817	988
Total oil and gas revenues
Disaggregation of Revenue [Line Items]
Total revenue	12,989	16,310	11,503
Sales of purchased oil
Disaggregation of Revenue [Line Items]
Total revenue	6,367	7,992	6,247
Sales of purchased gas
Disaggregation of Revenue [Line Items]
Total revenue	18	80	62
Sales of purchased diesel
Disaggregation of Revenue [Line Items]
Total revenue	0	0	58
Sales of purchased sand
Disaggregation of Revenue [Line Items]
Total revenue	0	2	0
Total sales of purchased commodities
Disaggregation of Revenue [Line Items]
Total revenue	$ 6,385	$ 8,074	$ 6,367