Leases (Tables)

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Summary of Lease Expense

The following table presents the Partnership’s lease cost.

	Three Months Ended March 31, 2020
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	2	$	—	$	2
Short-term lease cost	3		—		3
Variable lease cost	1		—		1
Total Lease Cost	$	6	$	—	$	6

	Three Months Ended March 31, 2019
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	2	$	—	$	2
Short-term lease cost	6		1		7
Total Lease Cost	$	8	$	1	$	9

Schedule of Operating Lease Obligations Expiration

Undiscounted cash flows for operating lease liabilities are as follows:

	Year Ended December 31,
	2020		2021		2022		2023		2024		2025 and After		Total
	(In millions)
Noncancellable operating leases	$	7	$	6	$	5	$	5	$	4	$	11	$	38