REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of disaggregated revenue

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

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
	(in millions)
Oil and natural gas sales:
Oil	$	193	$	496	$	549	$	976
Natural gas	26		43		64		105
NGLs	26		39		62		98
	245		578		675		1,179
Other revenue:
Electricity	19		16		32		50
Marketing, trading and other	16		38		67		182
	35		54		99		232
Net derivative gain (loss) from commodity contracts	(4)		21		75		(68)
Total revenues	$	276	$	653	$	849	$	1,343