Contingencies and Commitments (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of contractual obligation

The aggregate undiscounted commitments under our gathering, processing and transportation agreements, excluding any reimbursement from working interest and royalty interest owners, credits for third-party volumes or future costs under cost-of-service agreements, are presented below:

	March 31, 2019
	($ in millions)
2019	$	627
2020	783
2021	687
2022	585
2023	472
2024 – 2035	2,443
Total	$	5,597