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Fair Value of Assets and Liabilities - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Fair value, asset (liability), unrealized gain (loss), OCI $ 0 $ 0 $ 0
Long-lived asset impairment     13,000,000
Corporate      
Segment Reporting Information [Line Items]      
Long-lived asset impairment 37,000,000 13,000,000  
Disposition of Acquired Properties | Corporate      
Segment Reporting Information [Line Items]      
Long-lived asset impairment 34,000,000 7,000,000 4,000,000
Reversed asset impairment charges     1,000,000
2020 Business Optimization | Disposition of Acquired Properties | Corporate      
Segment Reporting Information [Line Items]      
Long-lived asset impairment $ 3,000,000 $ 6,000,000  
Rebranding Initiative      
Segment Reporting Information [Line Items]      
Long-lived asset impairment     $ 7,000,000