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Shareholders' Equity - Share Repurchases (Details) - USD ($)
shares in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Nov. 17, 2022
Dec. 09, 2021
2022 Repurchase Program        
Equity, Class of Treasury Stock [Line Items]        
Stock repurchase program, authorized amount     $ 10,000,000,000.0  
Stock repurchase program, remaining authorized repurchase amount $ 10,000,000,000.0      
2021 Repurchase Program        
Equity, Class of Treasury Stock [Line Items]        
Stock repurchase program, authorized amount       $ 10,000,000,000.0
Stock repurchase program, remaining authorized repurchase amount $ 4,500,000,000      
Stock repurchased during period (in shares) 22.8 19.1    
Stock repurchased during period, value $ 2,000,000,000 $ 2,000,000,000