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Operating Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Schedule of Components of Lease Expense
The components of lease expense for the years ended December 31, 2021, 2020 and 2019 were as follows:
(In millions)202120202019
Operating lease cost$13 $13 $13 
Variable lease cost (1)
$20 $20 $21 
(1)Variable lease cost is determined by the consumption of the underlying asset.
Schedule of Supplemental Balance Sheet Information related to Leases
Supplemental information related to operating leases was as follows:
December 31,
2021		December 31,
2020
Weighted-average remaining operating lease term (in years)11.810.8
Weighted-average operating lease discount rate3.8 %4.6 %
Schedule of Supplemental Cash Flow Information related to Leases
Years ended December 31,
(In millions)202120202019
Operating cash flow payments for operating lease liabilities$11 $12 $11 
Operating lease right-of-use assets obtained in exchange for operating lease liabilities$3 $8 $4 
Schedule of Maturities of Operating Lease Liabilities
The maturities of operating lease liabilities as of December 31, 2021, were as follows:
(In millions)Operating Leases
2022$10 
20238 
20247 
20257 
20266 
2027 and thereafter36 
Total lease payments74 
Less: imputed interest15 
Total operating lease liabilities$59