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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Lease Cost The components of lease expense were as follows:
Year Ended December 31,
Lease Cost202120202019
Operating lease cost$11 $12 12
Finance lease cost:
     Amortization of right-of-use assets1 2 1
     Interest on lease liabilities— 1 1
Short-term lease cost— 1 1
Cash paid for amounts included in the present value of operating lease liabilities were as follows:
Year Ended December 31,
Cash Flow Information202120202019
Operating cash flows from operating leases$11 $11 12 
Operating cash flows from finance leases— 1 1 
Financing cash flows from finance leases1 1 1 
Supplemental Balance Sheet Information Supplemental balance sheet information related to leases was as follows:
As of December 31,
Leases20212020
Assets
    Operating Lease Right-of-Use Assets$30 $38 
Finance Lease Right-of-Use Assets, at cost$15 $15 
Accumulated Depreciation(8)(7)
Finance Lease Right-of-Use Assets, net$7 $8 
Liabilities
Operating Lease Obligation
Current$6 $8 
Non-Current28 33 
Total Operating Lease Liabilities$34 $41 
Finance Lease Obligation
Current$1 $1 
Non-Current$7 9 
Total Finance Lease Liabilities$8 $10 
As of December 31,
Lease Term and Discount Rate20212020
Weighted average remaining lease term (years)
Operating leases16.015.4
Finance leases4.25.1
Weighted average discount rate
Operating leases7.1 %7.2 %
Financing leases5.2 %5.2 %
Operating Lease Liability Maturities Maturities of lease liabilities were as follows:
December 31,Operating LeasesFinance LeasesTotal
2022$9 $2 $11 
20236 2 8 
20245 1 6 
20254 1 5 
20264 1 5 
After 202632 3 35 
Total lease payments$60 $10 $70 
Less: Interest26 2 28 
Present value of lease liabilities$34 $8 $42 
Finance Lease Liability Maturities Maturities of lease liabilities were as follows:
December 31,Operating LeasesFinance LeasesTotal
2022$9 $2 $11 
20236 2 8 
20245 1 6 
20254 1 5 
20264 1 5 
After 202632 3 35 
Total lease payments$60 $10 $70 
Less: Interest26 2 28 
Present value of lease liabilities$34 $8 $42