Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following table shows revenue disaggregated by operating area and product type, for the Current Quarter and the Prior Quarter:

	Three Months Ended March 31, 2019
	Oil			Natural Gas			NGL		Total
	($ in millions)
Marcellus	$	—		$	302		$	—	$	302
Haynesville	—			201			—		201
Eagle Ford	331			48			46		425
Brazos Valley	121			4			2		127
Powder River Basin	74			25			10		109
Mid-Continent	40			15			11		66
Revenue from contracts with customers	566			595			69		1,230
Losses on oil, natural gas and NGL derivatives	(259		)	(42		)	—		(301		)
Oil, natural gas and NGL revenue	$	307		$	553		$	69	$	929
Marketing revenue from contracts with customers	$	613		$	413		$	117	$	1,143
Other marketing revenue	72			20			—		92
Losses on oil, natural gas and NGL derivatives	—			(2		)	—		(2		)
Marketing revenue	$	685		$	431		$	117	$	1,233
	Three Months Ended March 31, 2018
	Oil			Natural Gas			NGL		Total
	($ in millions)
Marcellus	$	—		$	294		$	—	$	294
Haynesville	—			210			—		210
Eagle Ford	364			42			40		446
Powder River Basin	40			12			8		60
Mid-Continent	73			32			17		122
Utica	60			116			52		228
Revenue from contracts with customers	537			706			117		1,360
Gains (losses) on oil, natural gas and NGL derivatives	(86		)	(32		)	1		(117		)
Oil, natural gas and NGL revenue	$	451		$	674		$	118	$	1,243
Marketing revenue from contracts with customers	686			293			110		1,089
Other marketing revenue	117			40			—		157
Marketing revenue	$	803		$	333		$	110	$	1,246

Accounts receivable

Accounts receivable as of March 31, 2019 and December 31, 2018 are detailed below:

	March 31, 2019			December 31, 2018
	($ in millions)
Oil, natural gas and NGL sales	$	887		$	976
Joint interest	262			211
Other	67			77
Allowance for doubtful accounts	(20		)	(17		)
Total accounts receivable, net	$	1,196		$	1,247