Insurance-related accounts (Tables)

12 Months Ended

Mar. 31, 2016

Insurance [Abstract]

Policyholders' Account in Life Insurance Business

Policyholders’ account in the life insurance business is comprised of the following:

	Yen in millions
	March 31
	2015		2016
Universal life insurance		1,555,700		1,634,642
Investment contracts		591,951		638,737
Other		111,863		127,941
Total		2,259,514		2,401,320