Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue by Segment

The following table reconciles operating revenues as presented on the consolidated statements of operations to the operating revenues by segment:

(in millions)	E&P		Marketing		Intersegment Revenues		Total
Three months ended September 30, 2020
Gas sales	$	190	$	—	$	9	$	199
Oil sales	39		—		1		40
NGL sales	68		—		—		68
Marketing	—		495		(276)		219
Other	1		—		—		1
Total	$	298	$	495	$	(266)	$	527
Three months ended September 30, 2019
Gas sales	$	230	$	—	$	8	$	238
Oil sales	66		—		1		67
NGL sales	52		—		—		52
Marketing	—		592		(313)		279
Total	$	348	$	592	$	(304)	$	636

(in millions)	E&P		Marketing		Intersegment Revenues		Total
Nine months ended September 30, 2020
Gas sales	$	584	$	—	$	27	$	611
Oil sales	107		—		4		111
NGL sales	158		—		—		158
Marketing	—		1,432		(787)		645
Other (1)	4		—		—		4
Total	$	853	$	1,432	$	(756)	$	1,529
Nine months ended September 30, 2019
Gas sales	$	918	$	—	$	25	$	943
Oil sales	151		—		2		153
NGL sales	191		—		—		191
Marketing	—		2,158		(1,154)		1,004
Other (2)	1		1		—		2
Total	$	1,261	$	2,159	$	(1,127)	$	2,293

(1)For the nine months ended September 30, 2020, other E&P revenues consists primarily of gains on purchaser imbalances associated with certain NGLs.

(2)For the nine months ended September 30, 2019, other E&P revenues consists primarily of water sales to third-party operators, and other Marketing revenues consists primarily of sales of gas from storage.

Disaggregation of Revenue on Geographic Basis

Associated E&P revenues are also disaggregated for analysis on a geographic basis by the core areas in which the Company operates, which are in Pennsylvania and West Virginia.

	For the three months ended September 30,				For the nine months ended September 30,
(in millions)	2020		2019		2020		2019
Northeast Appalachia	$	131	$	175	$	443	$	740
Southwest Appalachia	166		173		409		519
Other	1		—		1		2
Total	$	298	$	348	$	853	$	1,261

Reconciliation of Accounts Receivable

The following table reconciles the Company’s receivables from contracts with customers to consolidated accounts receivable as presented on the consolidated balance sheet:

(in millions)	September 30, 2020		December 31, 2019
Receivables from contracts with customers	$	218	$	284
Other accounts receivable	21		61
Total accounts receivable	$	239	$	345