(Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Assets And Liabilities, Lessee

The following tables summarize our lease costs as of and for the three months ended March 31, 2019:

Leases	Classification	March 31, 2019
Assets
Operating lease assets	Operating lease right-of-use assets	$	5
Finance lease assets	Property, plant and equipment, net (1)	18
Total lease assets		$	23
Liabilities
Current
Finance	Accrued liabilities - third parties	$	1
Noncurrent
Operating	Operating lease liabilities	5
Finance	Finance lease liabilities	25
Total lease liabilities		$	31

⁽¹⁾ Finance lease assets are recorded net of accumulated amortization of $5 million as of March 31, 2019.

Lease, Cost

		Three Months Ended
Lease cost	Classification	March 31, 2019
Operating lease cost (1)	Operations and maintenance - third parties	$	—
Finance lease cost (cost resulting from lease payments):
Amortization of leased assets (1)	Depreciation and amortization	—
Interest on lease liabilities	Interest expense, net	1
Total lease cost		$	1

⁽¹⁾ Amounts for the three months ended March 31, 2019 were less than $1 million.

Supplemental Cash Flows, Lessee

	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases (1)	$	—
Operating cash flows from finance leases (1)	—
Financing cash flows from finance leases (1)	—
Weighted-average remaining lease term (years)
Operating leases	20
Finance leases	12
Weighted-average discount rate
Operating leases	5.8		%
Finance leases	14.3		%

⁽¹⁾ Amounts for the three months ended March 31, 2019 were less than $1 million.

Lessee, Operating Lease, Liability, Maturity

The future annual maturity of lease payments as of March 31, 2019 for the above lease obligations were:

Maturity of lease liabilities	Operating leases (1)		Finance leases (2)		Total
2019	$	—	$	3	$	3
2020	—		4		4
2021	1		4		5
2022	—		4		4
2023	1		4		5
Remainder	6		37		43
Total lease payments	8		56		64
Less: Interest (3)	(3)		(30)		(33)
Present value of lease liabilities (4)	$	5	$	26	$	31

⁽¹⁾ Operating lease payments include $2 million related to options to extend lease terms that are reasonably certain of being exercised.

⁽²⁾ Includes $26 million in principal and excludes $9 million in executory costs.

⁽³⁾ Calculated using the interest rate for each lease.

⁽⁴⁾ Includes the current portion of $1 million for the finance lease.

Finance Lease, Liability, Maturity

The future annual maturity of lease payments as of March 31, 2019 for the above lease obligations were:

Maturity of lease liabilities	Operating leases (1)		Finance leases (2)		Total
2019	$	—	$	3	$	3
2020	—		4		4
2021	1		4		5
2022	—		4		4
2023	1		4		5
Remainder	6		37		43
Total lease payments	8		56		64
Less: Interest (3)	(3)		(30)		(33)
Present value of lease liabilities (4)	$	5	$	26	$	31

⁽¹⁾ Operating lease payments include $2 million related to options to extend lease terms that are reasonably certain of being exercised.

⁽²⁾ Includes $26 million in principal and excludes $9 million in executory costs.

⁽³⁾ Calculated using the interest rate for each lease.

⁽⁴⁾ Includes the current portion of $1 million for the finance lease.

Lessor, Operating Lease, Payments to be Received, Maturity

As of March 31, 2019, future annual maturity of lease payments to be received under the contract terms of these operating leases, which includes only the lease components of these leases, were estimated to be:

Maturity of lease liabilities	Operating leases (1)
2019	$	42
2020	56
2021	56
2022	56
2023	56
Remainder	750
Total lease payments	$	1,016

⁽¹⁾ Operating lease payments include $555 million related to options to extend lease terms that are reasonably certain of being exercised.