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Stock-Based Compensation Schedule of Share Repurchases (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Equity, Class of Treasury Stock [Line Items]              
Stock Repurchased and Retired During Period, Value   $ 325 $ 320 $ 325 $ 325    
November 2020 Repurchase Program [Member]              
Equity, Class of Treasury Stock [Line Items]              
Stock Repurchased and Retired During Period, Value $ 325     $ 325   $ 645 $ 650
Stock Repurchased and Retired During Period, Shares 2.6     2.3   5.1 4.6