v3.25.3
Share-based compensation and noncontrolling interest (Details) - USD ($)
$ in Billions
1 Months Ended
Sep. 30, 2025
Aug. 31, 2025
Walmart International    
Noncontrolling Interest [Line Items]    
Share-based payment arrangement, expense $ 0.7  
PhonePe    
Noncontrolling Interest [Line Items]    
Aggregate ownership, percent 73.00% 84.00%