Lennar Financial Services Segment (Schedule of Credit Facilities) (Details) - Lennar Financial Services - Warehouse Repurchase Facility	9 Months Ended
	Aug. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	$ 1,350,000,000
364-day warehouse repurchase facility that matures October 2016 (1)
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	$ 300,000,000
Facility, term	364 days
364-day warehouse repurchase facility that matures October 2016 (2)
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	$ 450,000,000
Facility, term	364 days
Uncommitted amount	$ 250,000,000
364-day warehouse repurchase facility that matures June 2017
Line of Credit Facility [Line Items]
Maximum Aggregate Commitment	$ 600,000,000
Facility, term	364 days