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Stockholders' Equity - Additional Information (Details) - USD ($)
shares in Millions
6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Feb. 29, 2016
Class of Stock [Line Items]        
Stock repurchases (in shares) 46.2      
Stock repurchases $ 6,000,000,000      
Stock repurchase, remaining authorized amount $ 6,100,000,000      
Common shares outstanding plus underlying outstanding stock awards (in shares) 10,600.0   10,500.0  
Net unrecognized compensation cost related to unvested stock-based compensation arrangements $ 26,900,000,000      
Compensation cost expected to be expensed in next twelve months, percentage 50.00%      
Net unrecognized compensation cost related to unvested stock-based compensation arrangements, weighted average recognition period (in years) 1 year 1 month 6 days      
Estimated forfeiture rate 27.00%   27.00%  
February 2016 Program        
Class of Stock [Line Items]        
Stock repurchase, authorized amount       $ 5,000,000,000
March 2022 Program        
Class of Stock [Line Items]        
Stock repurchase, authorized amount   $ 10,000,000,000