SUPPLEMENTAL CONSOLIDATING DATA (Statement of Cash Flows) (Details 3) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Cash Flows from Operating Activities
Net income	$ 1,734.0	$ 1,592.5
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	8.5	11.6
Provision for depreciation and amortization	554.4	498.7
Undistributed earnings of unconsolidated subsidiaries and affiliates	9.1	(4.8)
Provision (credit) for deferred income taxes	(103.8)	(124.1)
Changes in assets and liabilities:
Trade receivables	(2,030.0)	(1,554.1)
Insurance receivables	462.0	81.4
Inventories	(1,235.1)	(2,019.9)
Accounts payable and accrued expenses	(665.0)	(109.0)
Accrued income taxes payable/receivable	97.4	250.7
Retirement benefits	16.8	(35.3)
Other	(49.7)	(152.7)
Net cash provided by (used for) operating activities	(1,156.4)	(1,527.3)
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	528.0	15.8
Proceeds from sales of equipment on operating leases	506.4	418.8
Proceeds from sales of businesses, net of cash sold		20.2
Purchases of marketable securities	(460.4)	(570.3)
Purchases of property and equipment	(503.6)	(513.1)
Cost of equipment on operating leases acquired	(518.7)	(319.0)
Other	(87.0)	(102.1)
Net cash used for investing activities	(978.8)	(1,328.6)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	1,341.6	1,297.6
Proceeds from long-term borrowings	2,470.5	4,056.8
Payments of long-term borrowings	(2,175.1)	(2,035.6)
Proceeds from issuance of common stock	149.7	28.9
Repurchases of common stock	(288.0)	(746.3)
Dividends paid	(357.6)	(333.0)
Excess tax benefits from share-based compensation	43.1	14.4
Other	(33.0)	(28.3)
Net cash provided by financing activities	1,151.2	2,254.5
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(16.8)	(26.0)
Net Decrease in Cash and Cash Equivalents	(1,000.8)	(627.4)
Cash and Cash Equivalents at Beginning of Period	4,652.2	3,647.2
Cash and Cash Equivalents at End of Period	3,651.4	3,019.8
Equipment Operations
Cash Flows from Operating Activities
Net income	1,734.0	1,592.5
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	5.9	5.1
Provision for depreciation and amortization	366.5	325.8
Undistributed earnings of unconsolidated subsidiaries and affiliates	(102.0)	(188.8)
Provision (credit) for deferred income taxes	(100.5)	(120.8)
Changes in assets and liabilities:
Trade receivables	(156.9)	(200.0)
Inventories	(1,016.4)	(1,806.1)
Accounts payable and accrued expenses	120.3	316.7
Accrued income taxes payable/receivable	104.5	234.3
Retirement benefits	5.9	(42.3)
Other	3.6	(34.7)
Net cash provided by (used for) operating activities	964.9	81.7
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	500.6
Proceeds from sales of businesses, net of cash sold		20.2
Purchases of marketable securities	(404.0)	(501.7)
Purchases of property and equipment	(501.9)	(511.6)
Other	(98.9)	(121.8)
Net cash used for investing activities	(504.2)	(1,114.9)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	235.3	1,097.9
Change in intercompany receivables/payables	(1,188.7)	(511.8)
Proceeds from long-term borrowings	238.4	44.9
Payments of long-term borrowings	(35.6)
Proceeds from issuance of common stock	149.7	28.9
Repurchases of common stock	(288.0)	(746.3)
Dividends paid	(357.6)	(333.0)
Excess tax benefits from share-based compensation	43.1	14.4
Other	(21.1)	(8.9)
Net cash provided by financing activities	(1,224.5)	(413.9)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	1.7	(40.0)
Net Decrease in Cash and Cash Equivalents	(762.1)	(1,487.1)
Cash and Cash Equivalents at Beginning of Period	3,907.9	3,187.5
Cash and Cash Equivalents at End of Period	3,145.8	1,700.4
Financial Services
Cash Flows from Operating Activities
Net income	257.9	228.3
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	2.6	6.5
Provision for depreciation and amortization	236.0	212.5
Undistributed earnings of unconsolidated subsidiaries and affiliates	(0.8)	(0.8)
Provision (credit) for deferred income taxes	(3.4)	(3.3)
Changes in assets and liabilities:
Insurance receivables	462.0	81.4
Accounts payable and accrued expenses	(511.2)	(193.9)
Accrued income taxes payable/receivable	(7.2)	16.4
Retirement benefits	10.9	7.0
Other	21.0	(44.9)
Net cash provided by (used for) operating activities	467.8	309.2
Cash Flows from Investing Activities
Collections of receivables (excluding trade and wholesale)	8,420.6	7,685.9
Proceeds from maturities and sales of marketable securities	27.4	15.8
Proceeds from sales of equipment on operating leases	506.4	418.8
Cost of receivables acquired (excluding trade and wholesale)	(8,962.2)	(7,975.5)
Purchases of marketable securities	(56.5)	(68.7)
Purchases of property and equipment	(1.8)	(1.5)
Cost of equipment on operating leases acquired	(814.3)	(607.9)
Increase in trade and wholesale receivables	(2,049.2)	(1,575.2)
Other	(35.5)	(23.3)
Net cash used for investing activities	(2,965.1)	(2,131.6)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	1,106.4	199.7
Change in intercompany receivables/payables	1,188.7	511.8
Proceeds from long-term borrowings	2,232.2	4,012.0
Payments of long-term borrowings	(2,139.5)	(2,035.6)
Dividends paid	(146.0)	(43.5)
Other	35.4	23.6
Net cash provided by financing activities	2,277.2	2,668.0
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(18.5)	14.0
Net Decrease in Cash and Cash Equivalents	(238.6)	859.6
Cash and Cash Equivalents at Beginning of Period	744.3	459.7
Cash and Cash Equivalents at End of Period	$ 505.7	$ 1,319.3