REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of disaggregated revenue

The following table provides disaggregated revenue for the three and nine months ended September 30, 2020 and 2019:

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
	(in millions)
Oil and natural gas sales:
Oil	$	246	$	457	$	795	$	1,433
Natural gas	34		50		98		155
NGLs	32		34		94		132
	312		541		987		1,720
Other revenue:
Electricity sales	43		38		75		88
Marketing and trading revenue	50		62		109		230
Other revenue	4		3		12		17
	97		103		196		335
Net derivative gain (loss) from commodity contracts	—		37		75		(31)
Total revenues	$	409	$	681	$	1,258	$	2,024