v3.25.4
Gains (Losses), Net of Tax, on Derivative Instruments Recognized in Consolidated Comprehensive Income Statements (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Cash Flow Hedges | Foreign Exchange Contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Included in effectiveness assessment $ (9) $ (50) $ (16) $ (21)