Stockholders' Equity (Schedule Of Changes In Equity) (Details) - USD ($)			3 Months Ended			6 Months Ended
	Jun. 22, 2022	Jun. 18, 2021	May 31, 2022		May 31, 2021	May 31, 2022		May 31, 2021	Mar. 31, 2022	Oct. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			$ 20,847,432,000		$ 19,017,451,000	$ 20,996,282,000	[1]	$ 18,099,401,000
Net earnings (including net earnings attributable to noncontrolling interests)			1,322,558,000		836,772,000	1,831,873,000		1,853,681,000
Employee stock and directors plans			(2,533,000)		(4,537,000)	(57,419,000)		(30,816,000)
Retirement of treasury stock			0			0
Purchases of treasury stock			(320,710,000)		(98,460,000)	(847,071,000)		(141,570,000)
Amortization of restricted stock			35,053,000		32,276,000	116,510,000		81,094,000
Cash dividends			(110,846,000)		(78,483,000)	(220,968,000)		(156,326,000)
Receipts related to noncontrolling interests			11,111,000		5,009,000	18,095,000		13,905,000
Payments related to noncontrolling interests			(3,708,000)		(5,829,000)	(65,521,000)		(17,226,000)
Non-cash purchase or activity of noncontrolling interests, net			11,355,000		(2,417,000)	14,904,000		581,000
Total other comprehensive income, net of tax			62,000		316,000	3,089,000		(626,000)
Balance, ending			21,789,774,000	[1]	19,702,098,000	21,789,774,000	[1]	$ 19,702,098,000
Cash dividend paid (in dollars per share)		$ 0.375						$ 0.250
Stock repurchase program, authorized value									$ 2,000,000,000	$ 1,000,000,000
Stock repurchase program, authorized shares (in shares)									30,000,000	25,000,000
Additional Paid - in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			8,855,151,000		8,724,192,000	8,807,891,000		$ 8,676,056,000
Employee stock and directors plans			994,000		1,165,000	854,000		1,106,000
Retirement of treasury stock			(3,533,425,000)			(3,533,425,000)
Amortization of restricted stock			35,053,000		32,276,000	116,510,000		81,094,000
Non-cash purchase or activity of noncontrolling interests, net			(2,591,000)		(2,613,000)	(36,648,000)		(3,236,000)
Balance, ending			5,355,182,000		8,755,020,000	5,355,182,000		8,755,020,000
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			(3,290,748,000)		(1,348,710,000)	(2,709,448,000)		(1,279,227,000)
Employee stock and directors plans			(3,533,000)		(5,704,000)	(58,472,000)		(32,077,000)
Retirement of treasury stock			3,538,376,000			3,538,376,000
Purchases of treasury stock			(320,710,000)		(98,460,000)	(847,071,000)		(141,570,000)
Balance, ending			(76,615,000)		(1,452,874,000)	(76,615,000)		(1,452,874,000)
Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			1,686,000		(1,747,000)	(1,341,000)		(805,000)
Total other comprehensive income, net of tax			62,000		316,000	3,089,000		(626,000)
Balance, ending			1,748,000		(1,431,000)	1,748,000		(1,431,000)
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			15,078,788,000		11,488,520,000	14,685,329,000		10,564,994,000
Net earnings (including net earnings attributable to noncontrolling interests)			1,320,756,000		831,363,000	1,824,337,000		1,832,732,000
Cash dividends			(110,846,000)		(78,483,000)	(220,968,000)		(156,326,000)
Balance, ending			16,288,698,000		12,241,400,000	16,288,698,000		12,241,400,000
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			168,368,000		121,205,000	179,857,000		104,545,000
Net earnings (including net earnings attributable to noncontrolling interests)			1,802,000		5,409,000	7,536,000		20,949,000
Receipts related to noncontrolling interests			11,111,000		5,009,000	18,095,000		13,905,000
Payments related to noncontrolling interests			(3,708,000)		(5,829,000)	(65,521,000)		(17,226,000)
Non-cash purchase or activity of noncontrolling interests, net			13,946,000		196,000	51,552,000		3,817,000
Balance, ending			$ 191,519,000		$ 125,990,000	$ 191,519,000		$ 125,990,000
Common Class A
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased during period (in shares)			3,630,000		1,000,000	8,246,000		1,510,000
Total purchase price			$ 289,358,000		$ 98,440,000	$ 762,282,000		$ 141,540,000
Average share price of shares repurchased (in dollars per share)			$ 79.71		$ 98.44	$ 92.44		$ 93.73
Common Class A | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			$ 30,243,000		$ 30,047,000	$ 30,050,000		$ 29,894,000
Employee stock and directors plans			6,000		2,000	199,000		155,000
Retirement of treasury stock			(4,667,000)			(4,667,000)
Balance, ending			$ 25,582,000		$ 30,049,000	$ 25,582,000		$ 30,049,000
Retirement of treasury stock (in shares)			46,700,000			46,700,000
Common Class B
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares repurchased during period (in shares)			470,000		0	1,122,000		0
Total purchase price			$ 31,270,000		$ 0	$ 84,601,000		$ 0
Average share price of shares repurchased (in dollars per share)			$ 66.53		$ 0	$ 75.40		$ 0
Common Class B | Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning			$ 3,944,000		$ 3,944,000	$ 3,944,000		$ 3,944,000
Retirement of treasury stock			(284,000)			(284,000)
Balance, ending			$ 3,660,000		$ 3,944,000	$ 3,660,000		$ 3,944,000
Retirement of treasury stock (in shares)			2,800,000			2,800,000
Subsequent Event
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividend declared (in dollars per share)	$ 0.375

[1] As of May 31, 2022, total liabilities include $571.2 million related to consolidated VIEs as to which there was no recourse against the Company, of which $24.2 million is included in Homebuilding accounts payable, $507.4 million in Homebuilding liabilities related to consolidated inventory not owned, $29.3 million in Homebuilding senior notes and other debts payable, $7.0 million in Homebuilding other liabilities and $3.4 million in Multifamily liabilities.As of November 30, 2021, total liabilities include $258.5 million related to consolidated VIEs as to which there was no recourse against the Company, of which $26.6 million is included in Homebuilding accounts payable, $196.6 million in Homebuilding liabilities related to consolidated inventory not owned, $20.1 million in Homebuilding senior notes and other debt payable, $12.3 million in Homebuilding other liabilities and $2.8 million in Multifamily liabilities.