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Stock Repurchases (Details) - USD ($)
shares in Millions
1 Months Ended 3 Months Ended
Apr. 25, 2022
Feb. 28, 2022
Apr. 25, 2022
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Jul. 09, 2021
Stock Repurchased During Period, Shares   0.6          
Percentage Of Accelerated Share Repurchases Of Shares Expected To Be Repurchased   87.00%          
Stock repurchase program, authorized amount           $ 4,000,000,000 $ 1,000,000,000
Stock Repurchased During Period, Value   $ 200,000,000          
Stock repurchase program, authorized amount           $ 4,000,000,000 $ 1,000,000,000
Stock repurchase program, remaining authorized amount       $ 646,000,000      
Stock Repurchased During Period, Shares   0.6          
Stock Repurchased During Period, Value   $ 200,000,000          
Shares repurchased from employees who surrendered shares to satisfy minimum tax withholding obligations, value       $ 4,900,000 $ 6,000,000.0    
Subsequent Event              
Stock Repurchased During Period, Shares 0.2   0.8        
Stock Repurchased During Period, Shares 0.2   0.8        
Treasury Stock | Subsequent Event              
Stock Repurchased During Period, Value     $ 173,000,000        
Stock Repurchased During Period, Value     173,000,000        
Additional Paid-in Capital | Subsequent Event              
Stock Repurchased During Period, Value     27,000,000        
Stock Repurchased During Period, Value     $ 27,000,000