Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Summary of Lease Expense

The following table presents the Partnership’s rental costs associated with field equipment and buildings.

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In millions)
Rental Costs:
Field equipment	$	4	$	5	$	9	$	12
Office space	1		2		2		4

The following tables present the Partnership’s lease cost.

	Three Months Ended June 30, 2020
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	1	$	—	$	1
Short-term lease cost	4		—		4
Total Lease Cost	$	5	$	—	$	5

	Three Months Ended June 30, 2019
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	3	$	—	$	3
Short-term lease cost	4		—		4
Total Lease Cost	$	7	$	—	$	7

	Six Months Ended June 30, 2020
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	3	$	—	$	3
Short-term lease cost	7		—		7
Variable lease cost	1		—		1
Total Lease Cost	$	11	$	—	$	11

	Six Months Ended June 30, 2019
	Gathering and Processing		Transportation and Storage		Total
	(In millions)
Lease Cost:
Operating lease cost	$	5	$	—	$	5
Short-term lease cost	10		1		11
Total Lease Cost	$	15	$	1	$	16

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	$	4	$	6	$	5	$	5	$	4	$	11	$	35