Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Millions	Jul. 29, 2018	Oct. 29, 2017	Jul. 30, 2017
Fair Values of Financial Instruments
Securitization borrowings	$ 4,437.5	$ 4,118.7	$ 4,780.9
Current maturities of long-term borrowings	5,111.3	5,056.9	4,272.7
Long-term borrowings	18,591.5	17,534.4	16,679.7
Level 3
Fair Values of Financial Instruments
Receivables financed - net	26,016.4	24,016.0	23,458.2
Retail notes securitized - net	4,517.4	4,129.6	4,891.7
Level 2
Fair Values of Financial Instruments
Securitization borrowings	4,425.9	4,118.4	4,786.4
Current maturities of long-term borrowings	5,111.4	5,080.6	4,296.2
Long-term borrowings	18,704.3	17,763.6	16,910.6
Carrying Value
Fair Values of Financial Instruments
Receivables financed - net	26,200.2	24,123.1	23,543.2
Retail notes securitized - net	4,571.4	4,158.8	4,922.9
Securitization borrowings	4,437.5	4,118.7	4,780.9
Current maturities of long-term borrowings	5,111.3	5,056.9	4,272.7
Long-term borrowings	$ 18,591.5	$ 17,534.4	$ 16,679.7