SUPPLEMENTAL CONSOLIDATING DATA (Statement of Cash Flows) (Details 3) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Cash Flows from Operating Activities
Net income	$ 2,730.6	$ 2,382.7
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	14.0	6.1
Provision for depreciation and amortization	841.2	742.7
Impairment charges	50.4
Undistributed earnings of unconsolidated subsidiaries and affiliates	7.8	(7.3)
Provision (credit) for deferred income taxes	(197.2)	(205.3)
Changes in assets and liabilities:
Trade receivables	(2,240.5)	(2,040.9)
Insurance receivables	488.1	(175.1)
Inventories	(954.2)	(2,032.2)
Accounts payable and accrued expenses	(408.6)	397.6
Accrued income taxes payable/receivable	186.0	100.4
Retirement benefits	141.7	(70.1)
Other	(134.2)	(290.1)
Net cash provided by (used for) operating activities	587.8	(1,135.4)
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	636.7	125.8
Proceeds from sales of equipment on operating leases	692.3	583.1
Proceeds from sales of businesses, net of cash sold	22.0	30.4
Purchases of marketable securities	(899.7)	(882.7)
Purchases of property and equipment	(795.1)	(808.4)
Cost of equipment on operating leases acquired	(834.8)	(512.3)
Other	(127.7)	5.7
Net cash used for investing activities	(2,903.0)	(2,415.3)
Cash Flows from Financing Activities
Increase in total short-term borrowings	2,012.9	1,235.4
Proceeds from long-term borrowings	3,772.7	8,256.2
Payments of long-term borrowings	(3,899.6)	(4,396.8)
Proceeds from issuance of common stock	162.4	37.1
Repurchases of common stock	(751.9)	(1,225.3)
Dividends paid	(556.3)	(516.3)
Excess tax benefits from share-based compensation	46.5	16.8
Other	(40.6)	(53.0)
Net cash provided by financing activities	746.1	3,354.1
Effect of Exchange Rate Changes on Cash and Cash Equivalents	7.2	(53.1)
Net Decrease in Cash and Cash Equivalents	(1,561.9)	(249.7)
Cash and Cash Equivalents at Beginning of Period	4,652.2	3,647.2
Cash and Cash Equivalents at End of Period	3,090.3	3,397.5
Equipment Operations
Cash Flows from Operating Activities
Net income	2,730.6	2,382.7
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	6.9	7.1
Provision for depreciation and amortization	550.5	480.1
Impairment charges	50.4
Undistributed earnings of unconsolidated subsidiaries and affiliates	(213.3)	(301.6)
Provision (credit) for deferred income taxes	(210.9)	(213.2)
Changes in assets and liabilities:
Trade receivables	(64.5)	(137.6)
Inventories	(545.9)	(1,691.7)
Accounts payable and accrued expenses	313.3	588.6
Accrued income taxes payable/receivable	178.7	72.7
Retirement benefits	125.2	(80.6)
Other	(9.7)	(18.2)
Net cash provided by (used for) operating activities	2,911.3	1,088.3
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	600.2	100.0
Proceeds from sales of businesses, net of cash sold	22.0	30.4
Purchases of marketable securities	(810.4)	(802.2)
Purchases of property and equipment	(792.4)	(806.1)
Other	(97.4)	(145.3)
Net cash used for investing activities	(1,078.0)	(1,623.2)
Cash Flows from Financing Activities
Increase in total short-term borrowings	86.7	386.8
Change in intercompany receivables/payables	(2,097.2)	(698.3)
Proceeds from long-term borrowings	265.6	2,374.5
Payments of long-term borrowings	(174.8)
Proceeds from issuance of common stock	162.4	37.1
Repurchases of common stock	(751.9)	(1,225.3)
Dividends paid	(556.3)	(516.3)
Excess tax benefits from share-based compensation	46.5	16.8
Other	(26.6)	(28.8)
Net cash provided by financing activities	(3,045.6)	346.5
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(7.3)	(84.4)
Net Decrease in Cash and Cash Equivalents	(1,219.6)	(272.8)
Cash and Cash Equivalents at Beginning of Period	3,907.9	3,187.5
Cash and Cash Equivalents at End of Period	2,688.3	2,914.7
Financial Services
Cash Flows from Operating Activities
Net income	407.9	338.6
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	7.1	(1.0)
Provision for depreciation and amortization	359.6	320.8
Undistributed earnings of unconsolidated subsidiaries and affiliates	(0.8)	(0.8)
Provision (credit) for deferred income taxes	13.7	7.9
Changes in assets and liabilities:
Insurance receivables	488.1	(175.1)
Accounts payable and accrued expenses	(437.5)	164.6
Accrued income taxes payable/receivable	7.3	27.7
Retirement benefits	16.4	10.5
Other	12.9	(154.4)
Net cash provided by (used for) operating activities	874.7	538.8
Cash Flows from Investing Activities
Collections of receivables (excluding trade and wholesale)	11,757.4	10,770.1
Proceeds from maturities and sales of marketable securities	36.5	25.8
Proceeds from sales of equipment on operating leases	692.3	583.1
Cost of receivables acquired (excluding trade and wholesale)	(13,598.3)	(11,868.2)
Purchases of marketable securities	(89.2)	(80.5)
Purchases of property and equipment	(2.7)	(2.3)
Cost of equipment on operating leases acquired	(1,386.5)	(972.4)
Increase in trade and wholesale receivables	(2,216.1)	(2,117.7)
Other	(89.8)	93.9
Net cash used for investing activities	(4,896.4)	(3,568.2)
Cash Flows from Financing Activities
Increase in total short-term borrowings	1,926.2	848.6
Change in intercompany receivables/payables	2,097.2	698.3
Proceeds from long-term borrowings	3,507.0	5,881.7
Payments of long-term borrowings	(3,724.9)	(4,396.8)
Dividends paid	(186.0)	(43.5)
Other	45.4	32.9
Net cash provided by financing activities	3,664.9	3,021.2
Effect of Exchange Rate Changes on Cash and Cash Equivalents	14.5	31.2
Net Decrease in Cash and Cash Equivalents	(342.3)	23.0
Cash and Cash Equivalents at Beginning of Period	744.3	459.7
Cash and Cash Equivalents at End of Period	$ 402.0	$ 482.7