Immaterial Restatement of Prior Period Financial Statements - Consolidated Balance Sheets and the Related Components of Stockholders' Equity (Details) - USD ($) $ in Millions	Apr. 30, 2023	Jan. 29, 2023	Oct. 30, 2022	May 01, 2022	Jan. 30, 2022	Oct. 31, 2021
Receivables:
Total receivables	$ 47,083.5		$ 42,441.6	$ 37,911.2
Total receivables - net	46,949.8		42,313.2	37,786.7
Deferred income taxes	25.9		25.5	31.5
Total assets	54,412.4		48,868.9	43,967.5
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses	1,041.1		957.3	920.1
Deferred income taxes	175.0		208.5	216.2
Total liabilities	48,617.4		44,183.4	39,416.4
Stockholder's equity:
Retained earnings	3,573.5		3,305.9	3,146.3		$ 2,982.3
Total Company stockholder's equity	5,793.8		4,684.0	4,549.4
Total stockholder's equity	5,795.0	$ 4,875.2	4,685.5	4,551.1	$ 4,536.1	4,417.5
Total Liabilities and Stockholder's Equity	54,412.4		48,868.9	43,967.5
Retail notes | Unrestricted
Receivables:
Total receivables	$ 23,713.5		22,799.0	22,164.1
Previously Reported
Receivables:
Total receivables			42,502.9	37,958.5
Total receivables - net			42,374.5	37,834.0
Deferred income taxes			23.3	29.6
Total assets			48,928.0	44,012.9
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses			866.1	817.0
Deferred income taxes			239.4	246.8
Total liabilities			44,123.1	39,343.9
Stockholder's equity:
Retained earnings			3,425.3	3,264.2		3,091.0
Total Company stockholder's equity			4,803.4	4,667.3
Total stockholder's equity			4,804.9	4,669.0
Total Liabilities and Stockholder's Equity			48,928.0	44,012.9
Previously Reported | Retail notes | Unrestricted
Receivables:
Total receivables			22,860.3	22,211.4
Adjustment
Receivables:
Total receivables			(61.3)	(47.3)
Total receivables - net			(61.3)	(47.3)
Deferred income taxes			2.2	1.9
Total assets			(59.1)	(45.4)
Liabilities and Stockholder's Equity
Accounts payable and accrued expenses			91.2	103.1
Deferred income taxes			(30.9)	(30.6)
Total liabilities			60.3	72.5
Stockholder's equity:
Retained earnings			(119.4)	(117.9)		$ (108.7)
Total Company stockholder's equity			(119.4)	(117.9)
Total stockholder's equity			(119.4)	(117.9)
Total Liabilities and Stockholder's Equity			(59.1)	(45.4)
Adjustment | Retail notes | Unrestricted
Receivables:
Total receivables			$ (61.3)	$ (47.3)