Borrowings - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Debt Instrument [Line Items]
Interest rate on short-term borrowings outstanding	6.25%	6.06%
Increase (decrease) of long-term debt	$ 3,830,000
Long-term debt	13,530,565	$ 9,698,752
Paydown on a credit facility	2,427,653	1,282,369	$ 824,894
Revolving Credit Facility
Debt Instrument [Line Items]
Paydown on a credit facility	350,000
Unsecured Debt
Debt Instrument [Line Items]
Long-term debt	12,076,096	8,497,300
Net proceeds from long term debt	3,980,000
Net repayments	720,500
Unsecured Debt | Subsidiaries
Debt Instrument [Line Items]
Long-term debt	31,892	0
Secured Debt | Subsidiaries
Debt Instrument [Line Items]
Long-term debt	1,422,577	$ 1,201,452
Net proceeds from long term debt	254,800
Structured notes
Debt Instrument [Line Items]
Net proceeds from long term debt	487,000
Structured notes | Subsidiaries
Debt Instrument [Line Items]
Net proceeds from long term debt	$ 175,700