Commitments (Tables)

12 Months Ended

Dec. 31, 2015

Commitments

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

The following is a schedule of future minimum payments for firm transportation, drilling rig, hydraulic fracturing, processing, gathering and compression, and office and equipment agreements, as well as leases that have remaining lease terms in excess of one year as of December 31, 2015 (in millions).

	Firm transportation		Processing, gathering and compression		Drilling rigs and frac services		Office and equipment
	(a)		(b)		(c)		(d)		Total
Year ending December 31:
2016	$	522		320		171		13		1,026
2017		729		344		104		14		1,191
2018		900		242		4		24		1,170
2019		1,060		186		—		22		1,268
2020		1,079		186		—		20		1,285
Thereafter		11,004		861		—		171		12,036
Total	$	15,294		2,139		279		264		17,976