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Debt - Foreign Currency Swaps and Circle Health Debt Refinancing (Details)
£ in Millions, $ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
May 31, 2022
USD ($)
Jul. 31, 2021
GBP (£)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2022
GBP (£)
Jul. 31, 2021
USD ($)
Debt Instrument [Line Items]                
Debt extinguishment       $ 30 $ (125) $ (61)    
Currency Swap                
Debt Instrument [Line Items]                
Derivative, notional amount               $ 705
Payment for swap agreement | £     £ 509          
Fair value of swap agreement         $ 15      
Proceeds from interest rate swap terminations $ 35              
Foreign Line of Credit                
Debt Instrument [Line Items]                
Revolving credit facility | £             £ 250  
Debt extinguishment   $ 13            
Long-Term Line of Credit, Noncurrent | £             £ 160