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Earnings (Loss) Per Share and Shareholders’ Equity (Deficit) - Schedule of Repurchase of Common Stock (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2021
Jul. 31, 2021
Jul. 31, 2021
Mar. 31, 2021
Equity, Class of Treasury Stock [Line Items]        
Amount Repurchased   $ 1,029 $ 1,194  
March 2021        
Equity, Class of Treasury Stock [Line Items]        
Amount Authorized $ 500 500 $ 500 $ 500
Shares Repurchased (in shares)     6,996  
Amount Repurchased     $ 464  
Average Stock Price (in USD per share)     $ 66.30  
July 2021        
Equity, Class of Treasury Stock [Line Items]        
Amount Authorized $ 1,500 $ 1,500 $ 1,500  
Shares Repurchased (in shares) 10,000   10,000  
Amount Repurchased $ 730   $ 730  
Average Stock Price (in USD per share)     $ 73.01