Leases - Summary of future minimum lease payments to be received under noncancelable operating leases (Detail) ¥ in Millions	Sep. 30, 2017 JPY (¥)
Leases
Minimum lease payments to be received, Total	¥ 8,246
Minimum lease payments to be received, Less than 1 year	943
Minimum lease payments to be received, 1 to 2 years	943
Minimum lease payments to be received, 2 to 3 years	943
Minimum lease payments to be received, 3 to 4 years	812
Minimum lease payments to be received, 4 to 5 years	586
Minimum lease payments to be received, More than 5 years	¥ 4,019

No definition available.

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

+ Details

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

+ References

+ Details

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