PROPERTY AND DEPRECIATION (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Summary of property and equipment
Property and equipment-net	$ 5,170.6	$ 5,181.5	$ 5,578.0
Property and equipment, additions	674.0	666.0	1,016.0
Depreciation	701.0	692.0	696.0
Capitalized interest	3.0	6.0	6.0
Leased property and equipment under capital leases, at cost	33.0	27.0
Accumulated depreciation on leased property and equipment under capital leases	$ 16.0	14.0
Capitalized computer software estimated useful life	3 years
Capitalized software costs, including purchased and internally developed software	$ 1,035.0	934.0
Capitalized software, accumulated amortization	770.0	681.0
Capitalized interest on software	3.0	2.0
Amortization of capitalized computer software costs	102.0	103.0	$ 106.0
Leased software assets under capital leases	90.0	86.0
Equipment Operations
Summary of property and equipment
Total property and equipment at cost	11,396.0	10,972.0
Less accumulated depreciation	6,277.0	5,846.0
Property and equipment-net	5,118.5	5,126.2
Equipment Operations | Land
Summary of property and equipment
Total property and equipment at cost	$ 119.0	114.0
Equipment Operations | Buildings and Building Equipment
Summary of property and equipment
Weighted-average useful lives	23 years
Total property and equipment at cost	$ 3,230.0	3,016.0
Equipment Operations | Machinery and Equipment
Summary of property and equipment
Weighted-average useful lives	11 years
Total property and equipment at cost	$ 5,180.0	5,055.0
Equipment Operations | Dies, Patterns, Tools, etc
Summary of property and equipment
Weighted-average useful lives	8 years
Total property and equipment at cost	$ 1,604.0	1,567.0
Equipment Operations | All Other
Summary of property and equipment
Weighted-average useful lives	5 years
Total property and equipment at cost	$ 893.0	875.0
Equipment Operations | Construction in Progress
Summary of property and equipment
Total property and equipment at cost	370.0	345.0
Financial Services
Summary of property and equipment
Total property and equipment at cost	113.0	113.0
Less accumulated depreciation	61.0	58.0
Property and equipment-net	52.1	55.3
Financial Services | Land
Summary of property and equipment
Total property and equipment at cost	$ 4.0	4.0
Financial Services | Buildings and Building Equipment
Summary of property and equipment
Weighted-average useful lives	26 years
Total property and equipment at cost	$ 73.0	73.0
Financial Services | All Other
Summary of property and equipment
Weighted-average useful lives	6 years
Total property and equipment at cost	$ 36.0	$ 36.0