XML 148 R100.htm IDEA: XBRL DOCUMENT v3.20.2
Leases - Types of lease assets under operating leases (Detail) - JPY (¥)
¥ in Millions
Mar. 31, 2020
Mar. 31, 2019
Operating Lease [Line Items]    
Cost ¥ 16,425 ¥ 57,901
Accumulated depreciation (933) (1,808)
Net carrying amount 15,492 56,093
Real estate [Member]    
Operating Lease [Line Items]    
Cost [1] 354 2,771
Accumulated depreciation [1] (285) (1,498)
Net carrying amount [1] 69 1,273
Aircraft [Member]    
Operating Lease [Line Items]    
Cost 16,071 55,130
Accumulated depreciation (648) (310)
Net carrying amount ¥ 15,423 ¥ 54,820
[1] Cost, accumulated depreciation and net carrying amounts include amounts relating to real estate utilized by Nomura.