SUPPLEMENTAL CONSOLIDATING DATA - Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018
Cash Flows from Operating Activities
Net income	$ 899	$ 911	$ 2,535	$ 1,586
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses			58	66
Provision for depreciation and amortization			1,522	1,445
Gain on sales of businesses				(25)
Undistributed earnings of unconsolidated subsidiaries and affiliates			10	(10)
Provision (credit) for deferred income taxes			(332)	641
Changes in assets and liabilities:
Trade receivables and Equipment Operations' financing receivables			(2,206)	(2,365)
Inventories			(1,168)	(1,539)
Accounts payable and accrued expenses			(306)	213
Accrued income taxes payable/receivable			253	176
Retirement benefits			40	(814)
Other			(65)	(109)
Net cash provided by (used for) operating activities			404	(672)
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities			72	56
Proceeds from sales of equipment on operating leases			1,171	1,116
Proceeds from sales of businesses, net of cash sold				133
Acquisitions of businesses, net of cash acquired				(5,171)
Purchases of marketable securities			(110)	(101)
Purchases of property and equipment			(756)	(571)
Cost of equipment on operating leases acquired			(1,462)	(1,428)
Other			(67)	(103)
Net cash provided by (used for) investing activities			(2,129)	(6,493)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings			(336)	1,183
Proceeds from long-term borrowings			7,440	5,739
Payments of long-term borrowings			(4,356)	(4,372)
Proceeds from issuance of common stock			133	209
Repurchases of common stock			(880)	(454)
Dividends paid			(703)	(583)
Other			(82)	(66)
Net cash provided by (used for) financing activities			1,216	1,656
Effect of Exchange Rate Changes on Cash, Cash Equivalents, and Restricted Cash			(24)	71
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash			(533)	(5,438)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period			4,015	9,467
Cash, Cash Equivalents, and Restricted Cash at End of Period	3,482	4,029	3,482	4,029
Equipment Operations
Cash Flows from Operating Activities
Net income	899	911	2,535	1,586
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses			1	19
Provision for depreciation and amortization			782	741
Gain on sales of businesses				(25)
Undistributed earnings of unconsolidated subsidiaries and affiliates			(62)	(235)
Provision (credit) for deferred income taxes			(123)	986
Changes in assets and liabilities:
Trade receivables and Equipment Operations' financing receivables			(248)	(331)
Inventories			(670)	(975)
Accounts payable and accrued expenses			50	519
Accrued income taxes payable/receivable			(282)	231
Retirement benefits			35	(821)
Other			(59)	(86)
Net cash provided by (used for) operating activities			1,959	1,609
Cash Flows from Investing Activities
Proceeds from maturities and sales of marketable securities			9	9
Proceeds from sales of businesses, net of cash sold				133
Acquisitions of businesses, net of cash acquired				(5,171)
Purchases of marketable securities			(3)
Purchases of property and equipment			(754)	(569)
Other			(64)	42
Net cash provided by (used for) investing activities			(812)	(5,556)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings			(119)	119
Change in intercompany receivables/payables			(683)	(797)
Proceeds from long-term borrowings			868	159
Payments of long-term borrowings			(194)	(118)
Proceeds from issuance of common stock			133	209
Repurchases of common stock			(880)	(454)
Dividends paid			(703)	(583)
Other			(52)	(41)
Net cash provided by (used for) financing activities			(1,630)	(1,506)
Effect of Exchange Rate Changes on Cash, Cash Equivalents, and Restricted Cash			(16)	89
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash			(499)	(5,364)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period			3,202	8,174
Cash, Cash Equivalents, and Restricted Cash at End of Period	2,703	2,810	2,703	2,810
Financial Services
Cash Flows from Operating Activities
Net income	175	151	450	681
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision (credit) for credit losses			57	47
Provision for depreciation and amortization			836	800
Undistributed earnings of unconsolidated subsidiaries and affiliates			(1)	(1)
Provision (credit) for deferred income taxes			(209)	(345)
Changes in assets and liabilities:
Accounts payable and accrued expenses			23	66
Accrued income taxes payable/receivable			535	(55)
Retirement benefits			5	7
Other			140	141
Net cash provided by (used for) operating activities			1,836	1,341
Cash Flows from Investing Activities
Collections of receivables (excluding trade and wholesale)			13,807	13,246
Proceeds from maturities and sales of marketable securities			63	47
Proceeds from sales of equipment on operating leases			1,171	1,116
Cost of receivables acquired (excluding trade and wholesale)			(14,597)	(13,830)
Purchases of marketable securities			(107)	(101)
Purchases of property and equipment			(2)	(2)
Cost of equipment on operating leases acquired			(2,135)	(2,190)
Increase in trade and wholesale receivables			(2,551)	(2,330)
Other			12	(61)
Net cash provided by (used for) investing activities			(4,339)	(4,105)
Cash Flows from Financing Activities
Increase (decrease) in total short-term borrowings			(217)	1,064
Change in intercompany receivables/payables			683	797
Proceeds from long-term borrowings			6,572	5,580
Payments of long-term borrowings			(4,162)	(4,254)
Dividends paid			(377)	(454)
Other			(22)	(25)
Net cash provided by (used for) financing activities			2,477	2,708
Effect of Exchange Rate Changes on Cash, Cash Equivalents, and Restricted Cash			(8)	(18)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash			(34)	(74)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period			813	1,293
Cash, Cash Equivalents, and Restricted Cash at End of Period	$ 779	$ 1,219	$ 779	$ 1,219