Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments And Contingencies Disclosure [Abstract]

Schedule Of Commitments And Contingencies

Year Ending December 31,	Purchase Obligations		Drilling and Facility Obligations		Operational Agreements		Office and Equipment Leases		EnLink Obligations
	(Millions)
2017	$	609	$	76	$	1,145	$	50	$	50
2018		649		66		1,134		85		51
2019		762		67		627		83		33
2020		748		57		457		59		18
2021		181		37		285		39		17
Thereafter		—		85		2,667		55		102
Total	$	2,949	$	388	$	6,315	$	371	$	271