Financing receivables (Tables)

6 Months Ended

Sep. 30, 2017

Financing receivables

Summary of loans receivable reported within loans receivable or investments in and advances to affiliated companies

	Millions of yen
	March 31, 2017
	Carried at amortized cost		Carried at fair value(1)		Total
Loans receivable
Loans at banks	¥	386,127	¥	—	¥	386,127
Short-term secured margin loans		358,572		—		358,572
Inter-bank money market loans		1,040		—		1,040
Corporate loans		592,425		537,664		1,130,089
Total loans receivable	¥	1,338,164	¥	537,664	¥	1,875,828
Advances to affiliated companies		300		—		300
Total	¥	1,338,464	¥	537,664	¥	1,876,128
	Millions of yen
	September 30, 2017
	Carried at amortized cost		Carried at fair value(1)		Total
Loans receivable
Loans at banks	¥	386,002	¥	—	¥	386,002
Short-term secured margin loans		333,128		—		333,128
Inter-bank money market loans		1,141		—		1,141
Corporate loans		708,930		542,686		1,251,616
Total loans receivable	¥	1,429,201	¥	542,686	¥	1,971,887
Advances to affiliated companies		—		—		—
Total	¥	1,429,201	¥	542,686	¥	1,971,887

(1) Includes loans receivable and loan commitments carried at fair value through election of the fair value option.

Changes in allowance for losses for credit losses

	Millions of yen
	Six months ended September 30, 2016
	Allowance for credit losses against loans																Allowance for credit losses against receivables other than loans			Total allowance  for doubtful accounts
	Loans at banks		Short-term secured margin loans			Inter-bank money market loans			Corporate loans			Advances to affiliated companies		Subtotal
Opening balance	¥	912	¥	66		¥	7		¥	8		¥	0	¥	993		¥	2,484		¥	3,477
Provision for credit losses		72		5			(7	)		10			—		80			1			81
Charge-offs		—		(17	)		—			(6	)		0		(23	)		23			0
Other(1)		—		0			—			—			—		0			(48	)		(48	)
Ending balance	¥	984	¥	54		¥	—		¥	12		¥	0	¥	1,050		¥	2,460		¥	3,510
	Millions of yen
	Six months ended September 30, 2017
	Allowance for credit losses against loans																Allowance for credit losses against receivables other than loans			Total allowance for doubtful accounts
	Loans at banks		Short-term secured margin loans			Inter-bank money market loans			Corporate loans			Advances to affiliated companies		Subtotal
Opening balance	¥	968	¥	—		¥	—		¥	473		¥	0	¥	1,441		¥	2,110		¥	3,551
Provision for credit losses		101		—			—			(26	)		—		75			292			367
Charge-offs		—		—			—			—			0		0			—			0
Other(1)		—		—			—			3			—		3			(135	)		(132	)
Ending balance	¥	1,069	¥	—		¥	—		¥	450		¥	—	¥	1,519		¥	2,267		¥	3,786
	Millions of yen
	Three months ended September 30, 2016
	Allowance for credit losses against loans																Allowance for credit losses against receivables other than loans			Total allowance for doubtful accounts
	Loans at banks		Short-term secured margin loans			Inter-bank money market loans			Corporate loans			Advances to affiliated companies		Subtotal
Opening balance	¥	912	¥	71		¥	7		¥	8		¥	0	¥	998		¥	2,535		¥	3,533
Provision for credit losses		72		—			(7	)		10			0		75			(102	)		(27	)
Charge-offs		—		(17	)		—			(6	)		0		(23	)		23			0
Other(1)		—		0			—			—			—		0			4			4
Ending balance	¥	984	¥	54		¥	—		¥	12		¥	0	¥	1,050		¥	2,460		¥	3,510

	Millions of yen
	Three months ended September 30, 2017
	Allowance for credit losses against loans												Allowance  for credit losses against receivables other than loans			Total allowance  for doubtful accounts
	Loans at  banks		Short-term secured margin loans		Inter-bank money market loans		Corporate loans		Advances  to affiliated companies		Subtotal
Opening balance	¥	969	¥	—	¥	—	¥	447	¥	0	¥	1,416	¥	2,190		¥	3,606
Provision for credit losses		100		—		—		1		—		101		200			301
Charge-offs		—		—		—		—		0		0		—			0
Other(1)		—		—		—		2		—		2		(123	)		(121	)
Ending balance	¥	1,069	¥	—	¥	—	¥	450	¥	—	¥	1,519	¥	2,267		¥	3,786

(1) Includes the effect of foreign exchange movements.

Schedule of allowance for credit losses against loans and loans by impairment methodology and type of loans

	Millions of yen
	March 31, 2017
	Loans at banks		Short-term secured margin loans		Inter-bank money market loans		Corporate loans		Advances  to affiliated companies		Total
Allowance by impairment methodology
Evaluated individually	¥	1	¥	—	¥	—	¥	446	¥	—	¥	447
Evaluated collectively		967		—		—		27		0		994
Total allowance for credit losses	¥	968	¥	—	¥	—	¥	473	¥	0	¥	1,441
Loans by impairment methodology
Evaluated individually	¥	4,722	¥	164,084	¥	1,040	¥	579,290	¥	—	¥	749,136
Evaluated collectively		381,405		194,488		—		13,135		300		589,328
Total loans	¥	386,127	¥	358,572	¥	1,040	¥	592,425	¥	300	¥	1,338,464
	Millions of yen
	September 30, 2017
	Loans at banks		Short-term secured margin loans		Inter-bank money market loans		Corporate loans		Advances  to affiliated companies		Total
Allowance by impairment methodology
Evaluated individually	¥	1	¥	—	¥	—	¥	449	¥	—	¥	450
Evaluated collectively		1,068		—		—		1		—		1,069
Total allowance for credit losses	¥	1,069	¥	—	¥	—	¥	450	¥	—	¥	1,519
Loans by impairment methodology
Evaluated individually	¥	2,846	¥	163,246	¥	1,141	¥	701,498	¥	—	¥	868,731
Evaluated collectively		383,156		169,882		—		7,432		—		560,470
Total loans	¥	386,002	¥	333,128	¥	1,141	¥	708,930	¥	—	¥	1,429,201

Analysis of each class of loans not carried at fair value using Nomura's internal ratings or equivalent credit quality indicators

	Millions of yen
	March 31, 2017
	AAA-BBB		BB-CCC		CC-D		Others(1)		Total
Secured loans at banks	¥	124,997	¥	89,022	¥	—	¥	36,406	¥	250,425
Unsecured loans at banks		134,141		1,559		1		1		135,702
Short-term secured margin loans		—		—		—		358,574		358,574
Unsecured inter-bank money market loans		1,040		—		—		—		1,040
Secured corporate loans		286,384		287,469		—		5,702		579,555
Unsecured corporate loans		1,859		284		—		10,727		12,870
Advances to affiliated companies		300		—		—		—		300
Total	¥	548,721	¥	378,334	¥	1	¥	411,410	¥	1,338,466

	Millions of yen
	September 30, 2017
	AAA-BBB		BB-CCC		CC-D		Others(1)		Total
Secured loans at banks	¥	135,076	¥	96,817	¥	—	¥	41,424	¥	273,317
Unsecured loans at banks		112,120		563		1		—		112,684
Short-term secured margin loans		—		—		—		333,128		333,128
Unsecured inter-bank money market loans		1,141		—		—		—		1,141
Secured corporate loans		282,945		414,964		—		3,942		701,851
Unsecured corporate loans		1,418		—		—		5,663		7,081
Advances to affiliated companies		—		—		—		—		—
Total	¥	532,700	¥	512,344	¥	1	¥	384,157	¥	1,429,202

(1) Relate to collateralized exposures where a specified ratio of LTV is maintained.