Operating and Reporting Segments (Homebuilding Financial Information) (Details) - Operating Segments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 8,358,696	$ 6,430,245	$ 14,562,212	$ 11,755,713
Operating earnings (loss)	1,876,590	1,202,095	2,679,524	2,651,954
Homebuilding
Segment Reporting Information [Line Items]
Revenues	7,977,982	6,028,041	13,730,187	10,971,097
Operating earnings (loss)	1,880,411	1,112,475	2,990,261	1,945,655
East
Segment Reporting Information [Line Items]
Revenues	2,214,451	1,567,768	3,884,637	2,923,710
Operating earnings (loss)	553,819	309,827	905,814	571,910
Central
Segment Reporting Information [Line Items]
Revenues	1,283,990	1,097,582	2,393,262	2,026,024
Operating earnings (loss)	206,795	159,048	358,873	291,071
Texas
Segment Reporting Information [Line Items]
Revenues	1,095,500	799,259	1,908,119	1,443,337
Operating earnings (loss)	272,857	176,057	444,169	305,700
West
Segment Reporting Information [Line Items]
Revenues	3,370,462	2,553,771	5,521,260	4,563,350
Operating earnings (loss)	847,849	492,811	1,289,297	814,517
Other
Segment Reporting Information [Line Items]
Revenues	13,579	9,661	22,909	14,676
Operating earnings (loss)	$ (909)	$ (25,268)	$ (7,892)	$ (37,543)