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Goodwill and Other Intangible Assets (Other Intangible Assets) (Detail) - JPY (¥) ¥ in Millions | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Indefinite-lived intangible assets: |  |
Trademarks and trade names | ¥ 126,192 | ¥ 115,049
Asset management contracts | 57,928 | 51,558
Others | 3,156 | 12,375
Indefinite-Lived Intangible Assets (Excluding Goodwill), Total | 187,276 | 178,982
Intangible assets subject to amortization: |  |
Software | 142,049 | 141,747
Customer relationships | 184,475 | 161,936
Asset management contracts | 117,043 | 104,481
Others | 165,130 | 154,413
Finite-Lived Intangible Assets, Gross, Total | 608,697 | 562,577
Accumulated amortization | (263,023) | (223,417)
Net | 345,674 | 339,160
Intangible Assets, Net (Excluding Goodwill), Total | ¥ 532,950 | ¥ 518,142

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