Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Guarantor Obligations

The changes in contract obligations are as follows:

	Year Ended December 31, 2019
	(in millions)
Beginning contract obligations	$111
Additions (a)	400
Liabilities settled	(51)
Accretion of discount	10
Changes in estimate (b)	(2)
Ending contract obligations	$	468

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(a)Additions include a $348 million deficiency fee obligation related to the South Texas Divestiture, $49 million of South Texas accrued deficiency fees from January 2019 through April 2019, $2 million of sand storage deficiencies associated with the sale of pressure pumping assets and $1 million related to sand mine decommissioning.

(b)Represents the difference between estimated and actual liabilities settled.

Schedule of future minimum drilling commitments

Minimum firm commitments are as follows:

	As of December 31, 2019
	Firm Commitments
	(in millions)
2020	$	532
2021	534
2022	471
2023	407
2024	412
Thereafter	1,784
Total minimum firm commitments	$	4,140

Delivery Commitments

Delivery commitments for gas are as follows:

	As of December 31, 2019
	(MMBtu per day)
2020	196,557
2021	175,000
2022	175,000
2023	175,000
2024	150,137
Thereafter	156,164
Total gas delivery commitments	1,027,858