Segment and geographic information (Tables)

6 Months Ended

Sep. 30, 2021

Segment and Geographic Information [Abstract]

Business segments' results

	Millions of yen
	Retail		Investment Management			Wholesale(1)			Other (Incl. elimination)			Total
Six months ended September 30, 2020
Non-interest revenue	¥	172,676	¥	69,888		¥	376,148		¥	121,385		¥	740,097
Net interest revenue		1,197		(146	)		92,826			(8,486	)		85,391
Net revenue		173,873		69,742			468,974			112,899			825,488
Non-interest expenses		135,979		35,521			315,628			77,179			564,307
Income before income taxes	¥	37,894	¥	34,221		¥	153,346		¥	35,720		¥	261,181
Six months ended September 30, 2021
Non-interest revenue	¥	168,475	¥	97,944		¥	255,957		¥	122,305		¥	644,681
Net interest revenue		1,702		(133	)		49,489			(28,837	)		22,221
Net revenue		170,177		97,811			305,446			93,468			666,902
Non-interest expenses		134,171		37,869			308,834			94,267			575,141
Income (loss) before income taxes	¥	36,006	¥	59,942		¥	(3,388	)	¥	(799	)	¥	91,761

	Millions of yen
	Retail		Investment Management		Wholesale		Other (Incl. elimination)			Total
Three months ended September 30, 2020
Non-interest revenue	¥	92,331	¥	29,731	¥	185,601	¥	27,230		¥	334,893
Net interest revenue		464		337		34,704		(3,354	)		32,151
Net revenue		92,795		30,068		220,305		23,876			367,044
Non-interest expenses		69,970		18,018		154,828		42,555			285,371
Income (loss) before income taxes	¥	22,825	¥	12,050	¥	65,477	¥	(18,679	)	¥	81,673
Three months ended September 30, 2021
Non-interest revenue	¥	84,395	¥	34,244	¥	145,187	¥	43,590		¥	307,416
Net interest revenue		796		85		27,482		(18,781	)		9,582
Net revenue		85,191		34,329		172,669		24,809			316,998
Non-interest expenses		68,207		19,300		147,700		65,192			300,399
Income (loss) before income taxes	¥	16,984	¥	15,029	¥	24,969	¥	(40,383	)	¥	16,599

Major components of income (loss) before income taxes in "Other"

The following table presents the major components of Income (loss) before income taxes in “Other.”

	Millions of yen
	Six months ended September 30
	2020			2021
Net gain (loss) related to economic hedging transactions	¥	612		¥	(381	)
Realized gain on investments in equity securities held for operating purposes		809			196
Equity in earnings of affiliates		11,860			15,188
Corporate items(1)(2)		29,085			(54,838	)
Other(3)(4)		(6,646	)		39,036
Total	¥	35,720		¥	(799	)
	Millions of yen
	Three months ended September 30
	2020			2021
Net gain (loss) related to economic hedging transactions	¥	(4,965	)	¥	(3,825	)
Realized gain on investments in equity securities held for operating purposes		124			23
Equity in earnings of affiliates		5,251			5,571
Corporate items		(16,005	)		(45,566	)
Other(4)		(3,084	)		3,414
Total	¥	(18,679	)	¥	(40,383	)

(1) The income before income taxes for the six months ended September 30, 2020 includes a gain of ¥71,075 million which represents the difference between the fair value of the assets acquired and the carrying value of the assets transferred by Nomura as a result of the rights conversion of the Tokyo Nihonbashi district redevelopment project.

(2) The loss before income taxes for the six months ended September 30, 2021 includes losses of approximately ¥40 billion related to legacy transactions.

(3) The income before income taxes for the six months ended September 30, 2021 includes a gain of ¥36,249 million from the sale of Nomura Research Institute, Ltd. ordinary shares.

(4) Includes the impact of Nomura’s own creditworthiness.

Reconciliation of combined business segments' results included in preceding table to reported net revenue, non-interest expenses and income (loss) before income taxes

	Millions of yen
	Six months ended September 30
	2020		2021
Net revenue	¥	825,488	¥	666,902
Unrealized gain on investments in equity securities held for operating purposes		4,257		5,239
Consolidated net revenue	¥	829,745	¥	672,141
Non-interest expenses	¥	564,307	¥	575,141
Unrealized gain (loss) on investments in equity securities held for operating purposes		—		—
Consolidated non-interest expenses	¥	564,307	¥	575,141
Income before income taxes	¥	261,181	¥	91,761
Unrealized gain on investments in equity securities held for operating purposes		4,257		5,239
Consolidated income before income taxes	¥	265,438	¥	97,000

	Millions of yen
	Three months ended September 30
	2020		2021
Net revenue	¥	367,044	¥	316,998
Unrealized gain on investments in equity securities held for operating purposes		1,954		1,868
Consolidated net revenue	¥	368,998	¥	318,866
Non-interest expenses	¥	285,371	¥	300,399
Unrealized gain (loss) on investments in equity securities held for operating purposes		—		—
Consolidated non-interest expenses	¥	285,371	¥	300,399
Income before income taxes	¥	81,673	¥	16,599
Unrealized gain on investments in equity securities held for operating purposes		1,954		1,868
Consolidated income before income taxes	¥	83,627	¥	18,467

Geographic allocation of net revenue and income (loss) before income taxes from operations by geographic areas, and long-lived assets

	Millions of yen
	Six months ended September 30
	2020			2021
Net revenue(1)(2):
Americas	¥	222,091		¥	122,906
Europe		59,681			66,997
Asia and Oceania		27,605			43,876
Subtotal		309,377			233,779
Japan		520,368			438,362
Consolidated	¥	829,745		¥	672,141
Income (loss) before income taxes(2):
Americas	¥	79,157		¥	(53,824	)
Europe		6,580			(14,150	)
Asia and Oceania		21,915			13,724
Subtotal		107,652			(54,250	)
Japan		157,786			151,250
Consolidated	¥	265,438		¥	97,000
	Millions of yen
	Three months ended September 30
	2020			2021
Net revenue(1):
Americas	¥	112,903		¥	84,602
Europe		39,510			33,629
Asia and Oceania		17,369			22,715
Subtotal		169,782			140,946
Japan		199,216			177,920
Consolidated	¥	368,998		¥	318,866
Income (loss) before income taxes:
Americas	¥	39,159		¥	(17,225	)
Europe		(8,437	)		(8,863	)
Asia and Oceania		12,720			7,103
Subtotal		43,442			(18,985	)
Japan		40,185			37,452
Consolidated	¥	83,627		¥	18,467

(1) There is no revenue derived from transactions with a single major external customer.

(2) Includes losses arising from the U.S. Prime Brokerage Event.

	Millions of yen
	March 31, 2021		September 30, 2021
Long-lived assets:
Americas	¥	98,611	¥	96,974
Europe		65,165		52,134
Asia and Oceania		26,690		25,685
Subtotal		190,466		174,793
Japan		303,355		313,968
Consolidated	¥	493,821	¥	488,761