v3.26.1
Impairment of Goodwill - Schedule of Carrying Value of Goodwill (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Disclosure of information for cash-generating units [line items]    
Goodwill ¥ 15,157 ¥ 15,157
PayPay Card CGU    
Disclosure of information for cash-generating units [line items]    
Goodwill 9,176 9,176
Other CGUs or CGU groups    
Disclosure of information for cash-generating units [line items]    
Goodwill ¥ 5,981 ¥ 5,981