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Goodwill and Intangible Assets - Intangible Asset Amortization Expense, Fiscal Year Maturity (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Fiscal year:    
Remaining 2022 $ 2  
2023 2  
2024 1  
2025 1  
Net Carrying Amount $ 6 $ 8