Receivables - Customer Receivables Age Credit Quality Analysis (Details) - USD ($) $ in Millions	Aug. 01, 2021	Nov. 01, 2020	Aug. 02, 2020
Age Credit Quality Analysis
Total Receivables	$ 36,683.2	$ 33,557.3	$ 33,649.3
Customer Receivables
Age Credit Quality Analysis
Total Receivables	28,952.0	26,464.0	25,220.5
Customer Receivables | Agriculture and turf
Age Credit Quality Analysis
Non-performing		178.1	212.3
Customer Receivables | Agriculture and turf | Current
Age Credit Quality Analysis
Total Receivables		22,051.5	20,983.5
Customer Receivables | Agriculture and turf | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables	132.6	122.9	132.6
Customer Receivables | Agriculture and turf | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables	54.6	51.1	62.9
Customer Receivables | Agriculture and turf | 90 Days or Greater Past Due
Age Credit Quality Analysis
Total Receivables	1.0	2.0	3.6
Customer Receivables | Construction and forestry
Age Credit Quality Analysis
Non-performing		80.4	84.0
Customer Receivables | Construction and forestry | Current
Age Credit Quality Analysis
Total Receivables		3,851.8	3,663.0
Customer Receivables | Construction and forestry | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables	102.3	84.4	63.0
Customer Receivables | Construction and forestry | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables	42.9	39.9	15.6
Customer Receivables | Construction and forestry | 90 Days or Greater Past Due
Age Credit Quality Analysis
Total Receivables	7.7	1.9
Retail Notes and Financing Leases
Age Credit Quality Analysis
Total Receivables	25,264.3	22,636.6	21,302.2
Retail Notes and Financing Leases | Agriculture and turf
Age Credit Quality Analysis
Non-performing		172.7	204.9
Retail Notes and Financing Leases | Agriculture and turf | Current
Age Credit Quality Analysis
Total Receivables		18,341.2	17,188.9
Retail Notes and Financing Leases | Agriculture and turf | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables		111.4	114.3
Retail Notes and Financing Leases | Agriculture and turf | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables		47.6	59.4
Retail Notes and Financing Leases | Agriculture and turf | 90 Days or Greater Past Due
Age Credit Quality Analysis
Total Receivables		2.0	3.6
Retail Notes and Financing Leases | Construction and forestry
Age Credit Quality Analysis
Non-performing		79.5	83.3
Retail Notes and Financing Leases | Construction and forestry | Current
Age Credit Quality Analysis
Total Receivables		3,759.5	3,572.8
Retail Notes and Financing Leases | Construction and forestry | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables		82.0	60.4
Retail Notes and Financing Leases | Construction and forestry | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables		38.8	14.6
Retail Notes and Financing Leases | Construction and forestry | 90 Days or Greater Past Due
Age Credit Quality Analysis
Total Receivables		1.9
Revolving charge accounts
Age Credit Quality Analysis
Total Receivables	$ 3,687.7	3,827.4	3,918.3
Revolving charge accounts | Agriculture and turf
Age Credit Quality Analysis
Non-performing		5.4	7.4
Revolving charge accounts | Agriculture and turf | Current
Age Credit Quality Analysis
Total Receivables		3,710.3	3,794.6
Revolving charge accounts | Agriculture and turf | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables		11.5	18.3
Revolving charge accounts | Agriculture and turf | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables		3.5	3.5
Revolving charge accounts | Construction and forestry
Age Credit Quality Analysis
Non-performing		0.9	0.7
Revolving charge accounts | Construction and forestry | Current
Age Credit Quality Analysis
Total Receivables		92.3	90.2
Revolving charge accounts | Construction and forestry | 30-59 Days Past Due
Age Credit Quality Analysis
Total Receivables		2.4	2.6
Revolving charge accounts | Construction and forestry | 60-89 Days Past Due
Age Credit Quality Analysis
Total Receivables		$ 1.1	$ 1.0