Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Membership Fees and Educational Fund	Patronage Capital Allocated	Members’ Capital Reserve	Unallocated Net Income	CFC Retained Equity	Accumulated Other Comprehensive Income	Total CFC Equity	Non-controlling Interests
Beginning balance at May. 31, 2021	$ 1,399,879	$ 3,125	$ 923,970	$ 909,749	$ (461,871)	$ 1,374,973	$ (25)	$ 1,374,948	$ 24,931
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	307,362				306,281	306,281		306,281	1,081
Other comprehensive income (loss)	3,811						3,811	3,811
Patronage capital retirement	(59,979)		(57,565)			(57,565)		(57,565)	(2,414)
Other	1,522	(694)				(694)		(694)	2,216
Ending balance at Feb. 28, 2022	1,652,595	2,431	866,405	909,749	(155,590)	1,622,995	3,786	1,626,781	25,814
Beginning balance at Nov. 30, 2021	1,390,985	2,665	866,405	909,749	(416,667)	1,362,152	3,906	1,366,058	24,927
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	261,965				261,077	261,077		261,077	888
Other comprehensive income (loss)	(120)						(120)	(120)
Patronage capital retirement	0								0
Other	(235)	(234)				(234)		(234)	(1)
Ending balance at Feb. 28, 2022	1,652,595	2,431	866,405	909,749	(155,590)	1,622,995	3,786	1,626,781	25,814
Beginning balance at May. 31, 2022	2,141,969	3,387	954,988	1,062,286	91,654	2,112,315	2,258	2,114,573	27,396
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	514,855				514,314	514,314		514,314	541
Other comprehensive income (loss)	6,436						6,436	6,436
Patronage capital retirement	(61,596)		(58,892)			(58,892)		(58,892)	(2,704)
Other	1,762	(638)				(638)		(638)	2,400
Ending balance at Feb. 28, 2023	2,603,426	2,749	896,096	1,062,286	605,968	2,567,099	8,694	2,575,793	27,633
Beginning balance at Nov. 30, 2022	2,433,712	2,859	896,096	1,062,286	443,072	2,404,313	2,080	2,406,393	27,319
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	163,217				162,896	162,896		162,896	321
Other comprehensive income (loss)	6,614						6,614	6,614
Patronage capital retirement	0								0
Other	(117)	(110)				(110)		(110)	(7)
Ending balance at Feb. 28, 2023	$ 2,603,426	$ 2,749	$ 896,096	$ 1,062,286	$ 605,968	$ 2,567,099	$ 8,694	$ 2,575,793	$ 27,633