Overview and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Segment Reporting Information
Costs and expenses	$ 27,046	$ 27,714	$ 26,652
Financing cost	383	211	212
(Gain) loss on recoveries and catastrophes	(1)	(48)	(16)
Advertising expense	$ 173	179	$ 188
Average warranty expense as a percent of annual product revenue	1.10%
Conflict Between Russian and Ukraine and Related Trade Sanctions
Segment Reporting Information
Costs and expenses		161
Financing cost		99
Cost of products and services		12
(Gain) loss on recoveries and catastrophes		$ 50
Minimum
Segment Reporting Information
Amortization period	2 years
Estimated useful life for finite-lived intangible assets	1 year
Standard warranty term	1 year
Minimum | Buildings and improvements
Segment Reporting Information
Estimated useful life for property, plant and equipment	5 years
Minimum | Machinery and equipment, including equipment held for lease
Segment Reporting Information
Estimated useful life for property, plant and equipment	3 years
Minimum | Capitalized internal use software
Segment Reporting Information
Estimated useful life for property, plant and equipment	3 years
Maximum
Segment Reporting Information
Amortization period	5 years
Estimated useful life for finite-lived intangible assets	10 years
Standard warranty term	5 years
Maximum | Buildings and improvements
Segment Reporting Information
Estimated useful life for property, plant and equipment	40 years
Maximum | Machinery and equipment, including equipment held for lease
Segment Reporting Information
Estimated useful life for property, plant and equipment	15 years
Maximum | Capitalized internal use software
Segment Reporting Information
Estimated useful life for property, plant and equipment	5 years