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Subsequent Events (Details) - Subsequent Event - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
Feb. 09, 2022
Feb. 08, 2022
Subsequent Event [Line Items]    
Stock repurchase program, authorized amount $ 1,000  
Remaining authorized repurchase amount 913  
JPMorgan Chase Accelerated Shares Repurchase Agreement    
Subsequent Event [Line Items]    
Stock repurchase program, authorized amount 250  
Shares purchased $ 250  
Amount of shares purchased (in shares) 3,900  
Common stock closing price (in dollars per share)   $ 50.89