Commitments (Tables)

9 Months Ended

Sep. 30, 2018

Commitments

Schedule of future minimum payments for firm transportation, drilling rig and completion services, gas processing, gathering and compression, office and equipment agreements, and leases that have remaining lease terms in excess of one year

	Firm transportation		Processing, gathering and compression		Drilling rigs and completion services		Office and equipment
(in millions)	(a)		(b)		(c)		(d)		Total
Remainder of 2018	$	230		155		29		4		418
2019		1,087		360		92		14		1,553
2020		1,107		397		30		13		1,547
2021		1,086		382		5		11		1,484
2022		1,034		378		—		9		1,421
2023		1,022		369		—		7		1,398
Thereafter		8,690		1,670		—		49		10,409
Total	$	14,256		3,711		156		107		18,230