v3.25.4
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Jun. 30, 2025
Income Taxes [Line Items]          
Effective tax rate 20.00% 18.00% 20.00% 18.00%  
Long-term income taxes $ 27,256   $ 27,256   $ 25,986
Unrecognized Tax Benefits and Other Income Tax Liabilities          
Income Taxes [Line Items]          
Long-term income taxes $ 28,700   $ 28,700   $ 27,400