TOTAL SHORT-TERM BORROWINGS - Other (Details) $ in Millions	12 Months Ended
	Oct. 31, 2021 USD ($)
Line of Credit Facility
Lines of credit available from U.S. and foreign banks	$ 8,336
Lines of credit unused	$ 5,770
Agreement with Capital Corporation
Minimum ownership percentage of Capital Corporation's capital stock	51.00%
Minimum consolidated tangible net worth of Capital Corporation to be maintained	$ 50
Minimum ratio of earnings to fixed charges to be maintained (as a percent)	1.05
Ownership percentage of Capital Corporation's capital stock	100.00%
Consolidated tangible net worth of Capital Corporation	$ 4,524
Capital Corporation
Line of Credit Facility
Consolidated ratio of earnings to fixed charges required by the credit agreements, minimum at the end of each fiscal quarter (as a percent)	1.05
Ratio of senior debt, excluding securitization indebtedness, to capital base (total subordinated debt and stockholder's equity excluding accumulated other comprehensive income (loss)) required by the credit agreements, maximum at the end of any fiscal quarter (as a percent)	11
Equipment Operations
Line of Credit Facility
Ratio of total debt to total capital (total debt and stockholders' equity excluding accumulated other comprehensive income (loss)) required by the credit agreements, maximum at the end of each fiscal quarter (as a percent)	65.00%
Excess equity capacity and retained earnings balance free of restriction	$ 15,388
Additional debt capacity	28,579
364-Day Credit Facilities Expiring April, 2022
Line of Credit Facility
Lines of credit available from U.S. and foreign banks	3,000
Line of Credit Facilities Expiring April, 2025
Line of Credit Facility
Lines of credit available from U.S. and foreign banks	2,500
Line of Credit Facilities Expiring March , 2026
Line of Credit Facility
Lines of credit available from U.S. and foreign banks	$ 2,500