Immaterial Restatement of Prior Period Financial Statements - Consolidated Balance Sheets and the Related Components of Stockholders' Equity (Details) - USD ($) $ in Millions	Jan. 28, 2024	Oct. 29, 2023	Jan. 29, 2023	Oct. 30, 2022
Receivables:
Total receivables	$ 50,853.4	$ 51,344.2	$ 42,593.8
Total receivables - net	50,713.8	51,197.8	42,472.1
Deferred income taxes	24.1	24.6	26.9
Total assets	58,584.3	59,115.0	49,347.2
Liabilities and Stockholder's Equity
Deferred income taxes	431.9	456.3	192.2
Total liabilities	52,710.9	53,212.4	44,472.0
Stockholder's equity:
Retained earnings	3,672.7	3,713.2	3,443.5
Total Company stockholder's equity	5,872.9	5,901.6	4,873.9
Total stockholder's equity	5,873.4	5,902.6	4,875.2	$ 4,685.5
Total Liabilities and Stockholder's Equity	58,584.3	59,115.0	49,347.2
Retail notes | Unrestricted
Receivables:
Total receivables	25,716.4	24,641.1	23,875.5
Nonrelated Party
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses	$ 1,082.5	$ 1,128.3	996.4
Previously Reported
Receivables:
Total receivables			42,655.5
Total receivables - net			42,533.8
Deferred income taxes			24.4
Total assets			49,406.4
Liabilities and Stockholder's Equity
Deferred income taxes			225.5
Total liabilities			44,402.3
Stockholder's equity:
Retained earnings			3,572.4
Total Company stockholder's equity			5,002.8
Total stockholder's equity			5,004.1
Total Liabilities and Stockholder's Equity			49,406.4
Previously Reported | Retail notes | Unrestricted
Receivables:
Total receivables			23,937.2
Previously Reported | Nonrelated Party
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses			893.4
Adjustment
Receivables:
Total receivables			(61.7)
Total receivables - net			(61.7)
Deferred income taxes			2.5
Total assets			(59.2)
Liabilities and Stockholder's Equity
Deferred income taxes			(33.3)
Total liabilities			69.7
Stockholder's equity:
Retained earnings			(128.9)
Total Company stockholder's equity			(128.9)
Total stockholder's equity			(128.9)
Total Liabilities and Stockholder's Equity			(59.2)
Adjustment | Retail notes | Unrestricted
Receivables:
Total receivables			(61.7)
Adjustment | Nonrelated Party
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses			$ 103.0