v3.26.1
Net Debt - Additional Information (Detail) - USD ($)
Jun. 30, 2026
Jun. 30, 2025
Disclosure of net debt [line items]    
Cash and cash equivalents restricted by legal or contractual arrangements $ 87,000,000 $ 125,000,000
Defaults on loans payable 0  
Revolving credit facility [member]    
Disclosure of net debt [line items]    
Revolving credit facility, maximum amount 5,500,000,000  
Commercial paper, amount drawn $ 0 $ 0