SUPPLEMENTAL CONSOLIDATING DATA (Statement of Cash Flows) (Details 3) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Cash Flows from Operating Activities
Net income	$ 2,513.5	$ 2,730.6
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	29.6	14.0
Provision for depreciation and amortization	957.4	841.2
Impairment charges	62.3	50.4
Undistributed earnings of unconsolidated subsidiaries and affiliates	(2.3)	7.8
Provision (credit) for deferred income taxes	(249.1)	(197.2)
Changes in assets and liabilities:
Trade receivables	(1,679.3)	(2,240.5)
Insurance receivables	35.5	488.1
Inventories	(1,102.9)	(954.2)
Accounts payable and accrued expenses	(313.6)	(408.6)
Accrued income taxes payable/receivable	207.3	186.0
Retirement benefits	215.0	141.7
Other	(51.9)	(134.2)
Net cash provided by operating activities	682.1	587.8
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	718.7	636.7
Proceeds from sales of equipment on operating leases	803.3	692.3
Proceeds from sales of businesses, net of cash sold	339.8	22.0
Purchases of marketable securities	(585.5)	(899.7)
Purchases of property and equipment	(640.9)	(795.1)
Cost of equipment on operating leases acquired	(1,049.5)	(834.8)
Other	(75.6)	(127.7)
Net cash used for investing activities	(1,567.3)	(2,903.0)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	(76.7)	2,012.9
Proceeds from long-term borrowings	6,672.2	3,772.7
Payments of long-term borrowings	(4,079.8)	(3,899.6)
Proceeds from issuance of common stock	138.8	162.4
Repurchases of common stock	(1,631.1)	(751.9)
Dividends paid	(568.6)	(556.3)
Excess tax benefits from share-based compensation	28.5	46.5
Other	(50.4)	(40.6)
Net cash provided by financing activities	432.9	746.1
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(17.0)	7.2
Net Decrease in Cash and Cash Equivalents	(469.3)	(1,561.9)
Cash and Cash Equivalents at Beginning of Period	3,504.0	4,652.2
Cash and Cash Equivalents at End of Period	3,034.7	3,090.3
Equipment Operations
Cash Flows from Operating Activities
Net income	2,513.5	2,730.6
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	3.2	6.9
Provision for depreciation and amortization	592.2	550.5
Impairment charges	62.3	50.4
Undistributed earnings of unconsolidated subsidiaries and affiliates	(303.2)	(213.3)
Provision (credit) for deferred income taxes	(216.6)	(210.9)
Changes in assets and liabilities:
Trade receivables	151.8	(64.5)
Inventories	(604.4)	(545.9)
Accounts payable and accrued expenses	13.3	313.3
Accrued income taxes payable/receivable	181.5	178.7
Retirement benefits	203.2	125.2
Other	168.4	(9.7)
Net cash provided by operating activities	2,765.2	2,911.3
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	700.1	600.2
Proceeds from sales of businesses, net of cash sold	339.8	22.0
Purchases of marketable securities	(504.1)	(810.4)
Purchases of property and equipment	(639.5)	(792.4)
Other	(103.0)	(97.4)
Net cash used for investing activities	(206.7)	(1,078.0)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	537.2	86.7
Change in intercompany receivables/payables	(1,442.7)	(2,097.2)
Proceeds from long-term borrowings	7.0	265.6
Payments of long-term borrowings	(757.2)	(174.8)
Proceeds from issuance of common stock	138.8	162.4
Repurchases of common stock	(1,631.1)	(751.9)
Dividends paid	(568.6)	(556.3)
Excess tax benefits from share-based compensation	28.5	46.5
Other	(21.4)	(26.6)
Net cash provided by financing activities	(3,709.5)	(3,045.6)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(17.3)	(7.3)
Net Decrease in Cash and Cash Equivalents	(1,168.3)	(1,219.6)
Cash and Cash Equivalents at Beginning of Period	3,023.3	3,907.9
Cash and Cash Equivalents at End of Period	1,855.0	2,688.3
Financial Services
Cash Flows from Operating Activities
Net income	452.2	407.9
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	26.4	7.1
Provision for depreciation and amortization	417.8	359.6
Undistributed earnings of unconsolidated subsidiaries and affiliates	(1.4)	(0.8)
Provision (credit) for deferred income taxes	(32.5)	13.7
Changes in assets and liabilities:
Insurance receivables	35.5	488.1
Accounts payable and accrued expenses	4.1	(437.5)
Accrued income taxes payable/receivable	25.8	7.3
Retirement benefits	11.8	16.4
Other	(37.0)	12.9
Net cash provided by operating activities	902.7	874.7
Cash Flows from Investing Activities
Collections of receivables (excluding trade and wholesale)	12,618.3	11,757.4
Proceeds from maturities and sales of marketable securities	18.6	36.5
Proceeds from sales of equipment on operating leases	803.3	692.3
Cost of receivables acquired (excluding trade and wholesale)	(13,802.5)	(13,598.3)
Purchases of marketable securities	(81.4)	(89.2)
Purchases of property and equipment	(1.4)	(2.7)
Cost of equipment on operating leases acquired	(1,723.2)	(1,386.5)
Increase in trade and wholesale receivables	(2,055.6)	(2,216.1)
Other	(26.7)	(89.8)
Net cash used for investing activities	(4,250.6)	(4,896.4)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	(613.9)	1,926.2
Change in intercompany receivables/payables	1,442.7	2,097.2
Proceeds from long-term borrowings	6,665.2	3,507.0
Payments of long-term borrowings	(3,322.6)	(3,724.9)
Dividends paid	(150.0)	(186.0)
Other	25.2	45.4
Net cash provided by financing activities	4,046.6	3,664.9
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0.3	14.5
Net Decrease in Cash and Cash Equivalents	699.0	(342.3)
Cash and Cash Equivalents at Beginning of Period	480.8	744.3
Cash and Cash Equivalents at End of Period	$ 1,179.8	$ 402.0