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Derivatives - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Senior Unsecured Note Due 2025            
Derivative Instruments, Gain (Loss) [Line Items]            
Long-term debt $ 900 $ 900        
Interest rate 3.85% 3.85%        
Interest Rate Contract, Maturing June 1, 2025 | Cash Flow Hedges            
Derivative Instruments, Gain (Loss) [Line Items]            
Gain on interest rate swap   $ 17        
Interest Rate Contract, Maturing September 9, 2026            
Derivative Instruments, Gain (Loss) [Line Items]            
Amount expected to be reclassified within 12 months   1        
Interest Rate Swap            
Derivative Instruments, Gain (Loss) [Line Items]            
Proceeds for settlement of interest rate swaps $ 44          
Net settlements of derivative instruments   1        
Not Designated as Hedges | Interest Rate Contract, Maturing June 1, 2025            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount 0 0 $ 350      
Not Designated as Hedges | Interest Rate Contract, Maturing September 9, 2026            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount 25 25 25      
Not Designated as Hedges | Interest Rate Contract, Maturing September 9, 2026 | De-designated as cash flow hedge            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount       $ 25    
Designated as Hedging Instrument | Interest Rate Contract, Maturing June 1, 2025 | Cash Flow Hedges            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount         $ 350  
Designated as Hedging Instrument | Interest Rate Contract, Maturing September 9, 2026            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount $ 295 $ 295 $ 295      
Designated as Hedging Instrument | Interest Rate Contract, Maturing September 9, 2026 | Cash Flow Hedges            
Derivative Instruments, Gain (Loss) [Line Items]            
Derivative, notional amount           $ 320