Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	$ 1,994,977	$ 964,598
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	985,116	1,017,517
Loss on debt extinguishment	31,552
(Gain) loss on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	(201,600)	98,168
Gain on exchange of equity interests	(159,828)
Unrealized losses in fair value of equity instruments	8,121	20,125
Straight-line lease loss	19,014	6,539
Equity in income of unconsolidated entities	(562,138)	(156,610)
Distributions of income from unconsolidated entities	319,041	152,712
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	260,470	(625,107)
Deferred costs and other assets	(51,079)	(87,027)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	108,825	40,706
Net cash provided by operating activities	2,752,471	1,431,621
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(157,080)	(107,797)
Funding of loans to related parties	(15,419)	(6,393)
Repayments of loans to related parties	8,381
Capital expenditures, net	(419,477)	(396,004)
Cash impact from the consolidation of properties	5,595
Investments in unconsolidated entities	(48,156)	(172,598)
Purchase of equity instruments	(16,769)	(30,427)
Proceeds from sales of equity instruments		30,000
Insurance proceeds for property restoration	7,030	8,746
Distributions of capital from unconsolidated entities and other	137,031	214,389
Net cash used in investing activities	(498,864)	(460,084)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(246)	(247)
Purchase of shares related to stock grant recipients' tax withholdings	(2,318)	(854)
Redemption of limited partner units	(57)	(16,087)
Purchase of treasury stock		(152,589)
Proceeds from the special purpose acquisition company IPO, net of transaction costs	338,121
Establishment of trust account for special purpose acquisition company	(345,000)
Distributions to noncontrolling interest holders in properties	(1,640)	(5,766)
Contributions from noncontrolling interest holders in properties	16,736	28
Preferred distributions of the Operating Partnership	(1,436)	(1,436)
Distributions to stockholders and preferred dividends	(1,809,156)	(1,044,591)
Distributions to limited partners	(258,995)	(158,650)
Cash paid to extinguish debt	(30,009)
Proceeds from issuance of debt, net of transaction costs	7,353,120	11,363,272
Repayments of debt	(8,085,917)	(10,541,677)
Net cash used in financing activities	(2,826,797)	(558,597)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(573,190)	412,940
CASH AND CASH EQUIVALENTS, beginning of period	1,011,613	669,373
CASH AND CASH EQUIVALENTS, end of period	438,423	1,082,313
Simon Property Group, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	1,994,977	964,598
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	985,116	1,017,517
Loss on debt extinguishment	31,552
(Gain) loss on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	(201,600)	98,168
Gain on exchange of equity interests	(159,828)
Unrealized losses in fair value of equity instruments	8,121	20,125
Straight-line lease loss	19,014	6,539
Equity in income of unconsolidated entities	(562,138)	(156,610)
Distributions of income from unconsolidated entities	319,041	152,712
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	260,470	(625,107)
Deferred costs and other assets	(51,079)	(87,027)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	108,825	40,706
Net cash provided by operating activities	2,752,471	1,431,621
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(157,080)	(107,797)
Funding of loans to related parties	(15,419)	(6,393)
Repayments of loans to related parties	8,381
Capital expenditures, net	(419,477)	(396,004)
Cash impact from the consolidation of properties	5,595
Investments in unconsolidated entities	(48,156)	(172,598)
Purchase of equity instruments	(16,769)	(30,427)
Proceeds from sales of equity instruments		30,000
Insurance proceeds for property restoration	7,030	8,746
Distributions of capital from unconsolidated entities and other	137,031	214,389
Net cash used in investing activities	(498,864)	(460,084)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(246)	(247)
Purchase of shares related to stock grant recipients' tax withholdings	(2,318)	(854)
Redemption of limited partner units	(57)	(16,087)
Purchase of general partner units		(152,589)
Proceeds from the special purpose acquisition company IPO, net of transaction costs	338,121
Establishment of trust account for special purpose acquisition company	(345,000)
Distributions to noncontrolling interest holders in properties	(1,640)	(5,766)
Contributions from noncontrolling interest holders in properties	16,736	28
Preferred distributions of the Operating Partnership	(2,069,587)	(1,204,677)
Cash paid to extinguish debt	(30,009)
Proceeds from issuance of debt, net of transaction costs	7,353,120	11,363,272
Repayments of debt	(8,085,917)	(10,541,677)
Net cash used in financing activities	(2,826,797)	(558,597)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(573,190)	412,940
CASH AND CASH EQUIVALENTS, beginning of period	1,011,613	669,373
CASH AND CASH EQUIVALENTS, end of period	$ 438,423	$ 1,082,313