Finance Receivables - Finance Receivables (Details) (USD $)	12 Months Ended
	Oct. 31, 2013 segments	Oct. 31, 2012	Oct. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Retail Notes And Finance Leases Revenue	$ 78,000,000	$ 98,000,000	$ 137,000,000
Loans and Leases Receivable Due In One Year	1,641,000,000
Loans and Leases Receivable, Net Amount	1,900,000,000	2,100,000,000
Financing Receivable By Class Number of Portfolio Segments	2
Loans and Leases Receivable, Gross, Carrying Amount, Covered	1,958,000,000	2,176,000,000
Less: Allowance for Doubtful accounts	23,000,000	27,000,000
Total finance receivables, net	1,935,000,000	2,149,000,000
Financing Receivable, Recorded Investment, Current	1,597,000,000	1,663,000,000
Finance Receivables, Noncurrent	338,000,000	486,000,000
Loans and Leases Receivable Due In Two Years	169,000,000
Loans and Leases Receivable Due In Three Years	112,000,000
Loans and Leases Receivable Due In Four Years	55,000,000
Loans and Leases Receivable Due In Five Years	26,000,000
Loans and Leases Receivable Due Thereafter	15,000,000
Finance Receivables Gross	2,018,000,000
Loans and Leases Receivable, Deferred Income	60,000,000
Total finance receivables	1,958,000,000
Operating Leases, Income Statement, Lease Revenue	75,000,000	0	0
Finance Revenues From On Balance Sheet Receivables	233,000,000	259,000,000	291,000,000
Revenue from Related Parties	75,000,000	91,000,000	91,000,000
Finance revenues	158,000,000	168,000,000	200,000,000
Retail Portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable Due In One Year	434,000,000
Loans and Leases Receivable, Gross, Carrying Amount, Covered	751,000,000	1,048,000,000
Loans and Leases Receivable Due In Two Years	169,000,000
Loans and Leases Receivable Due In Three Years	112,000,000
Loans and Leases Receivable Due In Four Years	55,000,000
Loans and Leases Receivable Due In Five Years	26,000,000
Loans and Leases Receivable Due Thereafter	15,000,000
Finance Receivables Gross	811,000,000
Loans and Leases Receivable, Deferred Income	60,000,000
Total finance receivables	751,000,000
Wholesale Portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable Due In One Year	1,207,000,000
Loans and Leases Receivable, Gross, Carrying Amount, Covered	1,207,000,000	1,128,000,000
Loans and Leases Receivable Due In Two Years	0
Loans and Leases Receivable Due In Three Years	0
Loans and Leases Receivable Due In Four Years	0
Loans and Leases Receivable Due In Five Years	0
Loans and Leases Receivable Due Thereafter	0
Finance Receivables Gross	1,207,000,000
Loans and Leases Receivable, Deferred Income	0
Total finance receivables	1,207,000,000
Retail And Wholesale Portfolios [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income, Operating	27,000,000	34,000,000	27,000,000
Financial Services Operations [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets Net Of Intercompany Balances	2,400,000,000	2,600,000,000
Notes Receivable [Member] | Wholesale Portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Income, Operating	77,000,000	87,000,000	93,000,000
Off Balance Sheet Securitization Transactions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gain (Loss) on Securitization of Financial Assets	$ 0	$ 0	$ 2,000,000