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Stockholders' Equity (Details 3) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended 18 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Jun. 30, 2023
Nov. 02, 2022
Nov. 03, 2021
Equity, Class of Treasury Stock [Line Items]                        
Authorized amount of stock repurchase program                     $ 3,000 $ 1,500
Stock repurchased during period (in shares)             2,300 6,600        
Amount of stock repurchased during period             $ 155 $ 590        
2022 Share Repurchase Program                        
Equity, Class of Treasury Stock [Line Items]                        
Stock repurchased during period (in shares) 800 0 0 0 0 0 800   0 800    
Amount of stock repurchased during period $ 50 $ 0 $ 0 $ 0 $ 0 $ 0 $ 50   $ 0 $ 50