Borrowings - Schedule of Maturities of Long-Term Debt (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Debt Instrument [Line Items]
Total	$ 13,530,565	$ 9,698,752
Long-term debt	$ 2,351,346	$ 1,708,443
Weighted-average interest rate	5.30%	5.52%
Gains (losses) recognized in interest expense on fair value hedge	$ (63,142)	$ (57,128)	$ 6,863
Fair value, inputs, level 2 and level 3
Debt Instrument [Line Items]
Long-term debt	13,734,421	9,572,842
Long-term debt
Debt Instrument [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	(50,407)	21,638	$ 219,143
Unsecured Debt
Debt Instrument [Line Items]
Total	12,076,096	8,497,300
Long-term debt gross	2,040,000	1,990,000
Unsecured Debt \| Subsidiaries
Debt Instrument [Line Items]
Total	31,892	0
Unsecured Debt \| Long-term debt
Debt Instrument [Line Items]
Gains (losses) recognized in interest expense on fair value hedge	$ (50,400)	$ 21,600
Unsecured Debt \| Minimum
Debt Instrument [Line Items]
Interest rate range	0.00%	0.25%
Unsecured Debt \| Maximum
Debt Instrument [Line Items]
Interest rate range	7.66%	8.21%
Secured Debt \| Subsidiaries
Debt Instrument [Line Items]
Total	$ 1,422,577	$ 1,201,452
Secured Debt \| Secured Credit Facility
Debt Instrument [Line Items]
Total	775,300	735,200
Fixed rate \| Unsecured Debt
Debt Instrument [Line Items]
2024	0	544,222
2025	519,738	117,180
2026	818,819	90,315
2027	587,631	526,660
2028	1,031,076	1,028,966
2029	742,427	0
2030 and Later	4,561,814	2,715,503
Fixed rate \| Unsecured Debt \| Subsidiaries
Debt Instrument [Line Items]
2029	4,310	0
2030 and Later	1,347	0
Fixed rate \| Secured Debt \| Subsidiaries
Debt Instrument [Line Items]
2024	0	135,202
2025	160,384	117,814
2026	42,643	23,313
2027	13,077	4,412
2028	35,135	37,305
2029	104,912	0
Variable rate \| Unsecured Debt
Debt Instrument [Line Items]
2025	0	350,000
2026	41,230	42,417
2027	570,432	562,833
2029	1,311	0
2030 and Later	850,273	810,761
Variable rate \| Unsecured Debt \| Subsidiaries
Debt Instrument [Line Items]
2026	26,235	0
Variable rate \| Secured Debt
Debt Instrument [Line Items]
2024	0	883,406
Variable rate \| Secured Debt \| Subsidiaries
Debt Instrument [Line Items]
2026	792,400	0
2027	274,026	0
Structured notes \| Unsecured Debt
Debt Instrument [Line Items]
2024	0	48,002
2025	157,638	40,868
2026	114,308	36,178
2027	97,758	83,306
2028	77,781	19,768
2029	316,139	4,206
2030 and Later	1,587,721	1,476,115
Long-term debt	$ 2,351,346	$ 1,708,443

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