Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease costs

The components of lease costs are shown below:

	For the six months ended June 30, 2019
(in millions)
Operating lease cost	$	22
Short-term lease cost	31
Variable lease cost	—
Total lease cost	$	53

As of June 30, 2019, the Company has operating leases of $4 million, related primarily to compressor leases, that have been executed but not yet commenced.  These operating leases are planned to commence during 2019 with lease terms expiring through 2022. The Company’s existing operating leases do not contain any material restrictive covenants.

Supplemental cash flow information related to leases is set forth below:

	For the six months ended June 30, 2019
(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	22
Right-of use assets obtained in exchange for new operating liabilities:
Operating leases	$	6

Supplemental balance sheet information

Supplemental balance sheet information related to leases is as follows:

Right-of-use asset balance: (in millions)	June 30, 2019
Operating leases	$	103
Lease liability balance: (in millions)
Short-term operating leases	$	47
Long-term operating leases	56
Total operating leases	$	103
Weighted average remaining lease term: (years)
Operating leases	3.8
Weighted average discount rate:
Operating leases	6.28		%

Lease maturity schedule

Maturity analysis of operating lease liabilities:

(in millions)	June 30, 2019
2019	$	22
2020	42
2021	19
2022	10
2023	8
2024	5
Thereafter	9
Total undiscounted lease liability	115
Imputed interest	(12		)
Total discounted lease liability	$	103

(in millions)	December 31, 2018
2019	$	38
2020	28
2021	14
2022	6
2023	5
Thereafter	4
Total minimum payments required	$	95