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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Sep. 16, 2024
Sep. 14, 2021
Share Repurchase Program [Line Items]            
Amount of shares repurchased to settle employee tax withholding related to vesting of stock awards $ 1,500,000,000 $ 1,200,000,000 $ 2,800,000,000 $ 2,500,000,000    
Share Repurchase Program 2021            
Share Repurchase Program [Line Items]            
Amount available for repurchase under the share repurchase program approved by the company's Board of Directors           $ 60,000,000,000
Unused amount of share repurchase program $ 4,000,000,000   $ 4,000,000,000      
Share Repurchase Program 2024            
Share Repurchase Program [Line Items]            
Amount available for repurchase under the share repurchase program approved by the company's Board of Directors         $ 60,000,000,000