Financing receivables (Tables)

12 Months Ended

Mar. 31, 2016

Financing receivables

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

	Millions of yen
	March 31, 2015
	Carried at amortized cost		Carried at fair value(1)		Total
Loans receivable
Loans at banks	¥	324,503	¥	—	¥	324,503
Short-term secured margin loans		425,245		—		425,245
Inter-bank money market loans		16,995		—		16,995
Corporate loans		377,114		317,218		694,332
Total loans receivable	¥	1,143,857	¥	317,218	¥	1,461,075
Advances to affiliated companies		2,104		—		2,104
Total	¥	1,145,961	¥	317,218	¥	1,463,179

	Millions of yen
	March 31, 2016
	Carried at amortized cost		Carried at fair value(1)		Total
Loans receivable
Loans at banks	¥	364,976	¥	—	¥	364,976
Short-term secured margin loans		377,437		—		377,437
Inter-bank money market loans		9,751		—		9,751
Corporate loans		551,673		301,766		853,439
Total loans receivable	¥	1,303,837	¥	301,766	¥	1,605,603
Advances to affiliated companies		300		—		300
Total	¥	1,304,137	¥	301,766	¥	1,605,903

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

Changes in allowance for losses for current period

	Millions of yen
	Year ended March 31, 2014
	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	¥	789		¥	26		¥	—	¥	95		¥	29		¥	939		¥	1,319		¥	2,258
Provision for credit losses		(109	)		61			—		(13	)		(28	)		(89	)		960			871
Charge-offs		(2	)		—			—		—			—			(2	)		(146	)		(148	)
Other(1)		(0	)		—			—		0			—			0			28			28
Ending balance	¥	678		¥	87		¥	—	¥	82		¥	1		¥	848		¥	2,161		¥	3,009
	Millions of yen
	Year ended March 31, 2015
	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	¥	678		¥	87		¥	—	¥	82		¥	1		¥	848		¥	2,161		¥	3,009
Provision for credit losses		61			53			—		(3	)		0			111			254			365
Charge-offs		—			—			—		—			—			—			(189	)		(189	)
Other(1)		—			2			—		0			—			2			66			68
Ending balance	¥	739		¥	142		¥	—	¥	79		¥	1		¥	961		¥	2,292		¥	3,253
	Millions of yen
	Year ended March 31, 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	¥	739		¥	142		¥	—	¥	79		¥	1		¥	961		¥	2,292		¥	3,253
Provision for credit losses		173			(75	)		7		(71	)		(1	)		33			287			320
Charge-offs		—			—			—		—			—			—			—			—
Other(1)		—			(1	)		—		(0	)		—			(1	)		(95	)		(96	)
Ending balance	¥	912		¥	66		¥	7	¥	8		¥	0		¥	993		¥	2,484		¥	3,477

(1) Includes the effect of foreign exchange movements.

Schedule of allowance for loan losses and loans by impairment methodology and type of loans

	Millions of yen
	March 31, 2015
	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	¥	3	¥	84	¥	—	¥	7	¥	—	¥	94
Evaluated collectively		736		58		—		72		1		867
Total allowance for credit losses	¥	739	¥	142	¥	—	¥	79	¥	1	¥	961
Loans by impairment methodology
Evaluated individually	¥	4,929	¥	172,259	¥	16,995	¥	369,113	¥	174	¥	563,470
Evaluated collectively		319,574		252,986		—		8,001		1,930		582,491
Total loans	¥	324,503	¥	425,245	¥	16,995	¥	377,114	¥	2,104	¥	1,145,961

	Millions of yen
	March 31, 2016
	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	¥	—	¥	—	¥	—	¥	7	¥	—	¥	7
Evaluated collectively		912		66		7		1		0		986
Total allowance for credit losses	¥	912	¥	66	¥	7	¥	8	¥	0	¥	993
Loans by impairment methodology
Evaluated individually	¥	4,513	¥	139,183	¥	1,371	¥	543,050	¥	—	¥	688,117
Evaluated collectively		360,463		238,254		8,380		8,623		300		616,020
Total loans	¥	364,976	¥	377,437	¥	9,751	¥	551,673	¥	300	¥	1,304,137

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, 2015
	AAA-BBB		BB-CCC		CC-D		Others(1)		Total
Secured loans at banks	¥	100,927	¥	38,373	¥	—	¥	39,186	¥	178,486
Unsecured loans at banks		141,395		4,620		2		—		146,017
Short-term secured margin loans		—		—		—		425,245		425,245
Secured inter-bank money market loans		7,249		—		—		—		7,249
Unsecured inter-bank money market loans		9,746		—		—		—		9,746
Secured corporate loans		249,046		117,255		1,141		2,298		369,740
Unsecured corporate loans		3,619		—		—		3,755		7,374
Advances to affiliated companies		1,929		175		—		—		2,104
Total	¥	513,911	¥	160,423	¥	1,143	¥	470,484	¥	1,145,961

	Millions of yen
	March 31, 2016
	AAA-BBB		BB-CCC		CC-D		Others(1)		Total
Secured loans at banks	¥	125,371	¥	75,853	¥	0	¥	39,281	¥	240,505
Unsecured loans at banks		122,411		2,059		1		—		124,471
Short-term secured margin loans		—		—		—		377,437		377,437
Secured inter-bank money market loans		—		—		—		—		—
Unsecured inter-bank money market loans		9,751		—		—		—		9,751
Secured corporate loans		268,206		264,323		3,974		4,119		540,622
Unsecured corporate loans		2,957		1,123		—		6,971		11,051
Advances to affiliated companies		300		—		—		—		300
Total	¥	528,996	¥	343,358	¥	3,975	¥	427,808	¥	1,304,137

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