Receivables - Customer Receivables Credit Quality Analysis (Details) - USD ($) $ in Millions	Jan. 31, 2021	Nov. 01, 2020	Feb. 02, 2020
Credit Quality Analysis
Total Receivables	$ 33,489.3	$ 33,557.3	$ 31,722.9
Customer Receivables
Credit Quality Analysis
2021	2,823.3
2020	10,040.6
2019	5,415.2
2018	2,902.5
2017	1,314.6
Prior	535.9
Revolving	2,621.7
Total Receivables	25,653.8	$ 26,464.0	$ 22,576.6
Customer Receivables | Agriculture and turf | 30-59 Days Past Due
Credit Quality Analysis
2021	2.7
2020	50.0
2019	35.1
2018	24.4
2017	10.8
Prior	6.0
Revolving	26.3
Total Receivables	155.3
Customer Receivables | Agriculture and turf | 60-89 Days Past Due
Credit Quality Analysis
2021	0.1
2020	13.8
2019	11.7
2018	8.4
2017	3.7
Prior	2.8
Revolving	4.2
Total Receivables	44.7
Customer Receivables | Agriculture and turf | 90 Days or Greater Past Due
Credit Quality Analysis
2019	0.8
2018	0.2
2017	0.1
Prior	0.2
Total Receivables	1.3
Customer Receivables | Agriculture and turf | Current
Credit Quality Analysis
2021	2,233.8
2020	8,126.9
2019	4,264.4
2018	2,338.4
2017	1,137.2
Prior	464.9
Revolving	2,498.1
Total Receivables	21,063.7
Customer Receivables | Agriculture and turf | Non-performing
Credit Quality Analysis
2021	0.3
2020	34.4
2019	52.5
2018	40.2
2017	21.6
Prior	24.0
Revolving	6.5
Total Receivables	179.5
Customer Receivables | Construction and forestry | 30-59 Days Past Due
Credit Quality Analysis
2021	3.7
2020	46.8
2019	27.9
2018	14.5
2017	4.7
Prior	1.2
Revolving	2.9
Total Receivables	101.7
Customer Receivables | Construction and forestry | 60-89 Days Past Due
Credit Quality Analysis
2021	0.4
2020	12.8
2019	15.1
2018	6.5
2017	2.1
Prior	0.6
Revolving	1.2
Total Receivables	38.7
Customer Receivables | Construction and forestry | 90 Days or Greater Past Due
Credit Quality Analysis
2020	8.6
2019	4.9
Total Receivables	13.5
Customer Receivables | Construction and forestry | Current
Credit Quality Analysis
2021	582.3
2020	1,723.8
2019	974.0
2018	447.5
2017	123.4
Prior	30.1
Revolving	81.8
Total Receivables	3,962.9
Customer Receivables | Construction and forestry | Non-performing
Credit Quality Analysis
2020	23.5
2019	28.8
2018	22.4
2017	11.0
Prior	6.1
Revolving	0.7
Total Receivables	$ 92.5