v3.26.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2025
Income Taxes [Line Items]          
Effective tax rate 19.00% 18.00% 20.00% 18.00%  
Long-term income taxes $ 27,941   $ 27,941   $ 25,986
Unrecognized Tax Benefits and Other Income Tax Liabilities          
Income Taxes [Line Items]          
Long-term income taxes $ 29,300   $ 29,300   $ 27,400