Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Summary of Components of Lease Expense

The components of lease expense are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating lease cost	$	3	$	3	$	6	$	6

Summary of Supplemental Cash Flow Information Related to Operating Leases

Supplemental cash flow information related to operating leases is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Cash paid for amounts included in the    measurement of lease liabilities:
Operating cash outflows from operating    leases	$	3	$	3	$	5	$	6
Right-of-use assets obtained in exchange for     lease obligations:
Operating leases	$	5	$	3	$	5	$	8

Summary of Supplemental Balance Sheet Information Related to Operating Leases

Supplemental balance sheet information related to operating leases is as follows:

	June 30, 2020		December 31, 2019
Other assets	$	34	$	35
Accrued liabilities		8		8
Other liabilities		27		28

	June 30, 2020	December 31, 2019
Weighted-average lease term	5.83	6.30
Weighted-average discount rate	6.23	6.36

Schedule of Maturities of Operating Lease Liabilities

Maturities of operating lease liabilities were as follows:

	June 30, 2020
2020	$	5
2021		8
2022		7
2023		6
2024		5
Thereafter		11
Total lease payments		42
Less imputed interest		(7	)
	$	35