Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)
Oil sales	$	2,823	$	3,069	$	7,715	$	9,594
NGL sales	416		569		1,197		1,783
Gas sales	221		586		691		1,417
Total oil and gas revenues	3,460		4,224		9,603		12,794
Sales of purchased oil	1,677		1,805		4,688		6,356
Sales of purchased gas	4		28		7		60
Total sales of purchased commodities	1,681		1,833		4,695		6,416
	$	5,141	$	6,057	$	14,298	$	19,210