Non-trading securities (Tables)

12 Months Ended

Mar. 31, 2017

Non-trading securities

Non-trading securities reconciliation

	Millions of yen
	March 31, 2016
	Cost  and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Japanese government, agency and municipal securities	¥	93,982	¥	5,708	¥	440	¥	99,250
Foreign government, agency and municipal securities		32,901		3,394		261		36,034
Corporate bonds		119,728		9,022		712		128,038
Equity securities		42,132		24,101		233		66,000
Total	¥	288,743	¥	42,225	¥	1,646	¥	329,322

	Millions of yen
	March 31, 2017
	Cost  and/or amortized cost		Unrealized gains and losses				Fair value
			Gross unrealized gains		Gross unrealized losses
Japanese government, agency and municipal securities	¥	89,851	¥	3,953	¥	585	¥	93,219
Foreign government, agency and municipal securities	¥	25,326	¥	2,434	¥	198	¥	27,562
Corporate bonds		117,140		6,942		930		123,152
Equity securities		42,947		21,826		22		64,751
Total	¥	275,264	¥	35,155	¥	1,735	¥	308,684

Fair value of residual contractual maturity of non-trading debt securities

	Millions of yen
	March 31, 2017
			Years to maturity
	Total		Less than 1 year		1 to 5 years		5 to 10 years		More than 10 years
Non-trading debt securities	¥	243,933	¥	43,950	¥	120,059	¥	59,020	¥	20,904

Fair value and gross unrealized losses of non-trading securities

	Millions of yen
	March 31, 2016
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Japanese government, agency and municipal securities	¥	12,835	¥	437	¥	13,673	¥	3	¥	26,508	¥	440
Foreign government, agency and municipal securities		6,911		261		—		—		6,911		261
Corporate bonds		20,471		712		—		—		20,471		712
Equity securities		4,113		233		—		—		4,113		233
Total	¥	44,330	¥	1,643	¥	13,673	¥	3	¥	58,003	¥	1,646

	Millions of yen
	March 31, 2017
	Less than 12 months				More than 12 months				Total
	Fair value		Gross unrealized losses		Fair value		Gross unrealized losses		Fair value		Gross unrealized losses
Japanese government, agency and municipal securities	¥	27,318	¥	585	¥	0	¥	0	¥	27,318	¥	585
Foreign government, agency and municipal securities		3,366		198		—		—		3,366		198
Corporate bonds		28,398		930		—		—		28,398		930
Equity securities		1,394		22		—		—		1,394		22
Total	¥	60,476	¥	1,735	¥	0	¥	0	¥	60,476	¥	1,735