Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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Geographic Area Information (Details) $ in Millions	3 Months Ended								12 Months Ended
Geographic Area Information (Details) $ in Millions	Oct. 31, 2016 USD ($)	Jul. 31, 2016 USD ($)	Apr. 30, 2016 USD ($)	Jan. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Jan. 31, 2015 USD ($)	Oct. 31, 2016 USD ($) item	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)
Geographic Area Information
Number of operating segments \| item									1
Revenues	$ 541.5	$ 538.6	$ 526.9	$ 487.2	$ 506.5	$ 493.4	$ 475.0	$ 476.8	$ 2,094.2	$ 1,951.7	$ 1,895.8
Operating profit (loss)									521.8	768.1	804.8
Receivables	27,714.5				29,092.4				27,714.5	29,092.4	30,505.9
U.S.
Geographic Area Information
Revenues									1,899.3	1,736.9	1,646.0
Operating profit (loss)									441.7	681.6	682.2
Receivables	24,287.9				25,779.4				24,287.9	25,779.4	26,570.0
Outside the U.S.
Geographic Area Information
Revenues									194.9	214.8	249.8
Operating profit (loss)									80.1	86.5	122.6
Receivables	$ 3,426.6				$ 3,313.0				$ 3,426.6	$ 3,313.0	$ 3,935.9