Commitments, contingencies and guarantees (Tables)

6 Months Ended

Sep. 30, 2016

Commitments, contingencies and guarantees

Commitments outstanding

	Millions of yen
	March 31, 2016		September 30, 2016
Commitments to extend credit	¥	782,525	¥	957,320
Commitments to invest		136,204		17,280

Maturities of commitments

	Millions of yen
			Years to Maturity
	Total contractual amount		Less than 1 year		1 to 3 years		3 to 5 years		More than 5 years
Commitments to extend credit	¥	957,320	¥	387,421	¥	68,903	¥	108,142	¥	392,854
Commitments to invest		17,280		348		39		—		16,893

Information on derivative contracts and standby letters of credit and other guarantees

	Millions of yen
	March 31, 2016				September 30, 2016
	Carrying value		Maximum potential payout/ Notional total		Carrying value		Maximum potential payout/ Notional total
Derivative contracts(1)(2)	¥	5,710,433	¥	204,781,587	¥	5,129,869	¥	197,511,423
Standby letters of credit and other guarantees(3)		242		8,422		205		7,361

(1) Credit derivatives are disclosed in Note 3. “Derivative instruments and hedging activities” and are excluded from derivative contracts.

(2) Derivative contracts primarily consist of equity, interest rate and foreign exchange contracts.

(3) The amounts of collaterals held in connection with standby letters of credit and other guarantees are ¥6,115 million and ¥5,506 million as of March 31, 2016 and September 30, 2016, respectively.

Maturity information on derivative contracts and standby letters of credit and other guarantees

	Millions of yen
			Maximum potential payout/Notional
					Years to Maturity
	Carrying value		Total		Less than 1 year		1 to 3 years		3 to 5 years		More than 5 years
Derivative contracts	¥	5,129,869	¥	197,511,423	¥	64,711,689	¥	57,731,861	¥	21,480,183	¥	53,587,690
Standby letters of credit and other guarantees		205		7,361		10		4		—		7,347