Goodwill and Other Intangible Assets (Estimated Aggregate Amortization Expense for Intangible Assets for Next Five Fiscal Years) (Detail)
¥ in Millions
Mar. 31, 2022
JPY (¥)
Estimated aggregate amortization expense for intangible assets for the next five fiscal years:  
2023 ¥ 270,745
2024 232,942
2025 190,321
2026 142,645
2027 ¥ 99,395