Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Other Commitments

Minimum commitments have been updated to give effect to the Clayton Williams Energy Acquisition, the Marcellus Shale upstream divestiture, as well as commitments related to Leviathan development activities, and consist of the following as of June 30, 2017:

(millions)	Drilling, Equipment, and Purchase Obligations		Transportation and Gathering Obligations(1)		Operating Lease  Obligations		Capital  Lease Obligations(2)		Total
July - December 2017	$	306	$	116	$	24	$	39	$	485
2018	341		247		47		74		709
2019	146		276		35		45		502
2020	22		250		33		42		347
2021	4		213		34		29		280
2022 and Thereafter	33		1,496		198		145		1,872
Total	$	852	$	2,598	$	371	$	374	$	4,195

⁽¹⁾ Includes $1.6 billion of future cash payments related to retained Marcellus Shale firm transportation contracts. See discussion above.

⁽²⁾ Annual lease payments, net to our interest, exclude regular maintenance and operating costs. See Note 6. Debt.