Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Movement in Carrying Amount of Goodwill

The table below presents the movement in the carrying amount of goodwill during the six months ended September 30, 2024 and 2025:

	Six months ended September 30,
	2024		2025
	(in millions)
Balance at beginning of period
Goodwill(1)	¥	1,086,510	¥	1,301,005
Accumulated impairment losses(1)	(592,752)		(742,841)
	493,758		558,164
Goodwill acquired during the six months(2)	151,774		101,169
Impairment loss	—		(37,703)
Foreign currency translation adjustments and other	30,849		(11,353)
Balance at end of period
Goodwill	1,269,133		1,390,821
Accumulated impairment losses	(592,752)		(780,544)
	¥	676,381	¥	610,277

Notes:

(1)Goodwill originally recognized of ¥1,900,019 million, which has been fully impaired before April 1, 2024, is not included in the table above.

(2)See Note 2 for the goodwill acquired in connection with acquisitions.

Carrying Amount of Other Intangible Assets by Major Class

The table below presents the net carrying amount by major class of other intangible assets at March 31, 2025 and September 30, 2025:

	March 31, 2025		September 30, 2025
	(in millions)
Intangible assets subject to amortization:
Software	¥	1,011,826	¥	1,049,411
Customer relationships	296,118		282,889
Core deposit intangibles	36,151		29,885
Trade names	36,312		34,293
Other	13,881		21,048
Total	1,394,288		1,417,526
Intangible assets not subject to amortization:
Other	8,227		7,903
Total	¥	1,402,515	¥	1,425,429