Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

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 June 30, 2021
Gas sales	$	421	$	—	$	12	$	433
Oil sales	105		—		1		106
NGL sales	178		—		1		179
Marketing	—		983		(651)		332
Total	$	704	$	983	$	(637)	$	1,050
Three months ended June 30, 2020
Gas sales	$	155	$	—	$	9	$	164
Oil sales	16		—		3		19
NGL sales	40		—		—		40
Marketing	—		389		(202)		187
Total	$	211	$	389	$	(190)	$	410

(in millions)	E&P		Marketing		Intersegment Revenues		Total
Six months ended June 30, 2021
Gas sales	$	872	$	—	$	25	$	897
Oil sales	185		—		2		187
NGL sales	351		—		1		352
Marketing	—		1,979		(1,295)		684
Other (1)	1		1		—		2
Total	$	1,409	$	1,980	$	(1,267)	$	2,122
Six months ended June 30, 2020
Gas sales	$	394	$	—	$	18	$	412
Oil sales	68		—		3		71
NGL sales	90		—		—		90
Marketing	—		937		(511)		426
Other (2)	3		—		—		3
Total	$	555	$	937	$	(490)	$	1,002

(1)For the six months ended June 30, 2021, other E&P revenues consists primarily of gains on purchaser imbalances associated with certain NGLs and other Marketing revenues consists primarily of sales of gas from storage.

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

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, West Virginia and Ohio.

	For the three months ended June 30,				For the six months ended June 30,
(in millions)	2021		2020		2021		2020
Northeast Appalachia	$	230	$	117	$	493	$	312
Southwest Appalachia	474		94		915		243
Other	—		—		1		—
Total	$	704	$	211	$	1,409	$	555

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)	June 30, 2021		December 31, 2020
Receivables from contracts with customers	$	391	$	350
Other accounts receivable	17		18
Total accounts receivable	$	408	$	368