Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUE:
Lease income	$ 5,243,771
Lease income		$ 5,158,420	$ 5,109,099
Management fees and other revenues	112,942	116,286	121,259
Other income	398,476	370,582	296,978
Total revenue	5,755,189	5,645,288	5,527,336
EXPENSES:
Property operating	453,145	450,636	443,177
Depreciation and amortization	1,340,503	1,282,454	1,275,452
Real estate taxes	468,004	457,740	440,003
Repairs and maintenance	100,495	99,588	96,900
Advertising and promotion	150,344	151,241	150,865
Home and regional office costs	190,109	136,677	135,150
General and administrative	34,860	46,543	51,972
Other	109,898	94,110	131,477
Total operating expenses	2,847,358	2,718,989	2,724,996
OPERATING INCOME BEFORE OTHER ITEMS	2,907,831	2,926,299	2,802,340
Interest expense	(789,353)	(815,923)	(809,393)
Loss on extinguishment of debt	(116,256)		(128,618)
Income and other taxes	(30,054)	(36,898)	(23,343)
Income from unconsolidated entities	444,349	475,250	400,270
Unrealized losses in fair value of equity instruments	(8,212)	(15,212)
Gain on sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	14,883	288,827	3,647
CONSOLIDATED NET INCOME	2,423,188	2,822,343	2,244,903
Net income attributable to noncontrolling interests	321,604	382,285	296,941
Preferred dividends	3,337	3,337	3,337
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ 2,098,247	$ 2,436,721	$ 1,944,625
BASIC AND DILUTED EARNINGS PER COMMON SHARE or UNIT:
Net income attributable to common stockholders or unitholders (in dollars per share or unit)	$ 6.81	$ 7.87	$ 6.24
Consolidated Net Income	$ 2,423,188	$ 2,822,343	$ 2,244,903
Unrealized (loss) gain on derivative hedge agreements	(4,066)	21,633	(35,112)
Net loss (gain) reclassified from accumulated other comprehensive loss into earnings	13,634	7,020	(12,122)
Currency translation adjustments	(1,850)	(47,038)	45,766
Changes in available-for-sale securities and other	718	373	5,733
Comprehensive income	2,431,624	2,804,331	2,249,168
Comprehensive income attributable to noncontrolling interests	322,627	379,837	297,534
Comprehensive income attributable to common stockholders or unitholders	2,108,997	2,424,494	1,951,634
Simon Property Group, L.P.
REVENUE:
Lease income	5,243,771
Lease income		5,158,420	5,109,099
Management fees and other revenues	112,942	116,286	121,259
Other income	398,476	370,582	296,978
Total revenue	5,755,189	5,645,288	5,527,336
EXPENSES:
Property operating	453,145	450,636	443,177
Depreciation and amortization	1,340,503	1,282,454	1,275,452
Real estate taxes	468,004	457,740	440,003
Repairs and maintenance	100,495	99,588	96,900
Advertising and promotion	150,344	151,241	150,865
Home and regional office costs	190,109	136,677	135,150
General and administrative	34,860	46,543	51,972
Other	109,898	94,110	131,477
Total operating expenses	2,847,358	2,718,989	2,724,996
OPERATING INCOME BEFORE OTHER ITEMS	2,907,831	2,926,299	2,802,340
Interest expense	(789,353)	(815,923)	(809,393)
Loss on extinguishment of debt	(116,256)		(128,618)
Income and other taxes	(30,054)	(36,898)	(23,343)
Income from unconsolidated entities	444,349	475,250	400,270
Unrealized losses in fair value of equity instruments	(8,212)	(15,212)
Gain on sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	14,883	288,827	3,647
CONSOLIDATED NET INCOME	2,423,188	2,822,343	2,244,903
Net income attributable to noncontrolling interests	991	11,327	13
Preferred dividends	5,252	5,252	5,252
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	2,416,945	2,805,764	2,239,638
NET INCOME ATTRIBUTABLE TO UNITHOLDERS ATTRIBUTABLE TO:
General Partner	2,098,247	2,436,721	1,944,625
Limited Partners	$ 318,698	$ 369,043	$ 295,013
BASIC AND DILUTED EARNINGS PER COMMON SHARE or UNIT:
Net income attributable to common stockholders or unitholders (in dollars per share or unit)	$ 6.81	$ 7.87	$ 6.24
Consolidated Net Income	$ 2,423,188	$ 2,822,343	$ 2,244,903
Unrealized (loss) gain on derivative hedge agreements	(4,066)	21,633	(35,112)
Net loss (gain) reclassified from accumulated other comprehensive loss into earnings	13,634	7,020	(12,122)
Currency translation adjustments	(1,850)	(47,038)	45,766
Changes in available-for-sale securities and other	718	373	5,733
Comprehensive income	2,431,624	2,804,331	2,249,168
Comprehensive income attributable to noncontrolling interests	1,422	7,911	2,091
Comprehensive income attributable to common stockholders or unitholders	$ 2,430,202	$ 2,796,420	$ 2,247,077