Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Disaggregated revenue from contracts with purchasers by product type is as follows:

	Three Months Ended March 31,
	2023		2022
	(in millions)
Oil sales	$	2,444	$	3,025
NGL sales	412		569
Gas sales	310		336
Total oil and gas revenues	3,166		3,930
Sales of purchased oil	1,429		2,215
Sales of purchased gas	2		2
Total sales of purchased commodities	1,431		2,217
	$	4,597	$	6,147