v3.26.1
Gains (Losses), Net of Tax, on Derivative Instruments Recognized in Consolidated Comprehensive Income Statements (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Cash Flow Hedges | Foreign Exchange Contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Included in effectiveness assessment $ (27) $ 20 $ (43) $ (1)