Sale-Type Leases and Financing Receivables Sales-Type Leases and Financing Receivables - Investment in Sales-Type Leases (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015
Receivables [Abstract]
Future minimum lease payments receivable	$ 1,239	$ 1,311
Unguaranteed residual values	32	29
Unearned income	(132)	(142)
Allowance for uncollectible minimum lease payments receivable	(5)	(5)
Net Investment in Sales-Type Leases	1,135	1,193
Less: Current portion of net investment in sales-type leases	339	75
Net Investment in Sales-Type Leases, Less Current Portion	$ 796	$ 1,118

The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments on sales type leases and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- Definition

The net amount due after one year of the balance sheet date or beyond the normal operating cycle, if longer, consisting of: (a) minimum lease payments on sales type leases, and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- Definition

The estimate of contractual payments on direct financing leases that are probable of not being collected as of the balance sheet date.

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- Definition

The remaining (unamortized) difference between the gross investment in a direct financing lease and the cost or carrying amount, if different, of the leased property as of the balance sheet date.

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- Definition

The estimate of the lease property's economic value at the end of the direct financing lease term excluding any amounts guaranteed by either the lessee or a third-party.

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- Definition

Amount of remaining payments as of the balance sheet date that lessees are obligated to make or can be required to make under sales-type leases, including any guarantee of residual value and executory costs. The amount also includes any guaranteed rental payments by an unrelated third-party provided that are financially capable of making such payments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34102-112682

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- Definition

The net amount due as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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- References

No definition available.

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