Operating and Reporting Segments (Financial Information Related to Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Segment Reporting Information [Line Items]
Revenues	$ 4,505,337	$ 3,868,082
Operating earnings (loss)	510,399	398,467
Corporate general and administrative expenses	86,847	79,343
Earnings before income taxes	423,552	319,124
Homebuilding
Segment Reporting Information [Line Items]
Revenues	4,172,116	3,623,721
Financial Services
Segment Reporting Information [Line Items]
Revenues	198,661	143,311
Multifamily
Segment Reporting Information [Line Items]
Revenues	132,617	97,394
Lennar Other
Segment Reporting Information [Line Items]
Revenues	1,943	3,656
Operating Segments \| Homebuilding
Segment Reporting Information [Line Items]
Revenues	4,172,116	3,623,721
Operating earnings (loss)	460,398	369,595
Corporate general and administrative expenses	0	0
Earnings before income taxes	460,398	369,595
Operating Segments \| Financial Services
Segment Reporting Information [Line Items]
Revenues	198,661	143,311
Operating earnings (loss)	47,317	18,972
Corporate general and administrative expenses	0	0
Earnings before income taxes	47,317	18,972
Operating Segments \| Multifamily
Segment Reporting Information [Line Items]
Revenues	132,617	97,394
Operating earnings (loss)	1,785	6,797
Corporate general and administrative expenses	0	0
Earnings before income taxes	1,785	6,797
Operating Segments \| Lennar Other
Segment Reporting Information [Line Items]
Revenues	1,943	3,656
Operating earnings (loss)	899	3,103
Corporate general and administrative expenses	0	0
Earnings before income taxes	899	3,103
Corporate and Unallocated
Segment Reporting Information [Line Items]
Corporate general and administrative expenses	86,847	79,343
Earnings before income taxes	$ 86,847	$ (79,343)

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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