SUPPLEMENTAL CONSOLIDATING DATA - Statement of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Cash Flows from Operating Activities
Net income	$ 1,521.5	$ 1,940.9	$ 3,163.3
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	94.3	55.4	38.1
Provision for depreciation and amortization	1,559.8	1,382.4	1,306.5
Impairment charges	85.1	34.8	95.9
Undistributed earnings of unconsolidated subsidiaries and affiliates	(1.9)	(1.0)	9.3
Provision (credit) for deferred income taxes	282.7	(18.4)	(280.1)
Changes in assets and liabilities:
Trade receivables	335.2	811.6	(749.0)
Insurance receivables		333.4	(149.9)
Inventories	(106.1)	(691.4)	(297.9)
Accounts payable and accrued expenses	(155.2)	(503.6)	(137.1)
Accrued income taxes payable/receivable	1.6	(137.6)	342.6
Retirement benefits	238.6	427.5	336.9
Other	(161.9)	40.2	(231.2)
Net cash provided by (used for) operating activities	3,764.3	3,740.3	3,525.9
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	169.4	860.7	1,022.5
Proceeds from sales of equipment on operating leases	1,256.2	1,049.4	1,091.5
Proceeds from sales of businesses and unconsolidated affiliates, net of cash sold	81.1	149.2	345.8
Purchases of marketable securities	(171.2)	(154.9)	(614.6)
Purchases of property and equipment	(644.4)	(694.0)	(1,048.3)
Cost of equipment on operating leases acquired	(2,310.7)	(2,132.1)	(1,611.0)
Acquisitions of businesses, net of cash acquired	(198.5)
Other	(16.0)	(60.2)	(145.6)
Net cash provided by (used for) investing activities	(1,177.2)	(1,058.7)	(2,881.0)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	(1,213.6)	501.6	89.2
Proceeds from long-term borrowings	5,070.7	5,711.0	8,232.0
Payments of long-term borrowings	(5,267.6)	(4,863.2)	(5,209.1)
Proceeds from issuance of common stock	36.0	172.1	149.5
Repurchases of common stock	(205.4)	(2,770.7)	(2,731.1)
Dividends paid	(761.3)	(816.3)	(786.0)
Excess tax benefits from share-based compensation	5.4	18.5	30.8
Other	(64.7)	(72.1)	(63.6)
Net cash provided by (used for) financing activities	(2,400.5)	(2,119.1)	(288.3)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(13.0)	(187.3)	(73.6)
Net Increase (Decrease) in Cash and Cash Equivalents	173.6	375.2	283.0
Cash and Cash Equivalents at Beginning of Year	4,162.2	3,787.0	3,504.0
Cash and Cash Equivalents at End of Year	4,335.8	4,162.2	3,787.0
Equipment Operations
Cash Flows from Operating Activities
Net income	1,521.5	1,940.9	3,163.3
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	8.2	5.5	2.9
Provision for depreciation and amortization	803.4	791.8	795.7
Impairment charges	25.4	15.3	95.9
Undistributed earnings of unconsolidated subsidiaries and affiliates	94.0	46.6	(463.4)
Provision (credit) for deferred income taxes	13.2	(139.8)	(236.4)
Changes in assets and liabilities:
Trade receivables	(175.3)	113.4	231.5
Inventories	578.4	(17.0)	496.2
Accounts payable and accrued expenses	(169.6)	(253.8)	(277.0)
Accrued income taxes payable/receivable	12.8	(133.0)	330.5
Retirement benefits	232.4	414.3	323.0
Other	(38.0)	271.1	70.0
Net cash provided by (used for) operating activities	2,906.4	3,055.3	4,532.2
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities	81.9	700.1	1,000.1
Proceeds from sales of businesses and unconsolidated affiliates, net of cash sold	81.1		345.8
Purchases of marketable securities	(59.4)	(60.0)	(504.1)
Purchases of property and equipment	(641.8)	(688.1)	(1,045.2)
Increase in investment in Financial Services	(28.2)	(27.4)	(66.8)
Acquisitions of businesses, net of cash acquired	(198.5)
Other	(55.2)	6.8	(98.6)
Net cash provided by (used for) investing activities	(820.1)	(68.6)	(368.8)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	(207.2)	211.9	(65.8)
Change in intercompany receivables/payables	(756.0)	928.6	(367.5)
Proceeds from long-term borrowings	173.4	6.2	60.7
Payments of long-term borrowings	(72.8)	(214.2)	(819.1)
Proceeds from issuance of common stock	36.0	172.1	149.5
Repurchases of common stock	(205.4)	(2,770.7)	(2,731.1)
Dividends paid	(761.3)	(816.3)	(786.0)
Excess tax benefits from share-based compensation	5.4	18.5	30.8
Other	(36.7)	(45.4)	(27.7)
Net cash provided by (used for) financing activities	(1,824.6)	(2,509.3)	(4,556.2)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(21.2)	(146.6)	(61.3)
Net Increase (Decrease) in Cash and Cash Equivalents	240.5	330.8	(454.1)
Cash and Cash Equivalents at Beginning of Year	2,900.0	2,569.2	3,023.3
Cash and Cash Equivalents at End of Year	3,140.5	2,900.0	2,569.2
Financial Services
Cash Flows from Operating Activities
Net income	467.6	632.9	624.5
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses	86.1	49.9	35.2
Provision for depreciation and amortization	846.7	688.5	574.9
Impairment charges	59.7	19.5
Undistributed earnings of unconsolidated subsidiaries and affiliates	(1.5)	(1.0)	(1.7)
Provision (credit) for deferred income taxes	269.5	121.4	(43.7)
Changes in assets and liabilities:
Insurance receivables		333.4	(149.9)
Accounts payable and accrued expenses	40.6	(245.4)	263.3
Accrued income taxes payable/receivable	(11.2)	(4.6)	12.1
Retirement benefits	6.2	13.2	13.9
Other	97.1	(25.7)	(7.7)
Net cash provided by (used for) operating activities	1,860.8	1,582.1	1,320.9
Cash Flows from Investing Activities
Collections of receivables (excluding trade and wholesale)	15,831.4	16,266.1	16,772.0
Proceeds from maturities and sales of marketable securities	87.5	160.6	22.4
Proceeds from sales of equipment on operating leases	1,256.2	1,049.4	1,091.5
Proceeds from sales of businesses and unconsolidated affiliates, net of cash sold		149.2
Cost of receivables acquired (excluding trade and wholesale)	(15,168.2)	(16,327.8)	(19,015.3)
Purchases of marketable securities	(111.8)	(94.9)	(110.5)
Purchases of property and equipment	(2.6)	(5.9)	(3.1)
Cost of equipment on operating leases acquired	(3,235.7)	(3,043.6)	(2,684.2)
Decrease (increase) in trade and wholesale receivables	492.5	657.0	(782.0)
Other	24.6	(45.1)	(47.1)
Net cash provided by (used for) investing activities	(826.1)	(1,235.0)	(4,756.3)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings	(1,006.4)	289.7	155.0
Change in intercompany receivables/payables	756.0	(928.6)	367.5
Proceeds from long-term borrowings	4,897.3	5,704.8	8,171.3
Payments of long-term borrowings	(5,194.8)	(4,649.0)	(4,390.0)
Capital investment from Equipment Operations	28.2	27.4	66.8
Dividends paid	(562.1)	(679.6)	(150.0)
Other	(28.0)	(26.7)	(35.9)
Net cash provided by (used for) financing activities	(1,109.8)	(262.0)	4,184.7
Effect of Exchange Rate Changes on Cash and Cash Equivalents	8.2	(40.7)	(12.3)
Net Increase (Decrease) in Cash and Cash Equivalents	(66.9)	44.4	737.0
Cash and Cash Equivalents at Beginning of Year	1,262.2	1,217.8	480.8
Cash and Cash Equivalents at End of Year	$ 1,195.3	$ 1,262.2	$ 1,217.8