Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	$ 510,460	$ 505,404
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	331,820	340,265
Loss on debt extinguishment	2,959
Gain on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	(93,057)	(962)
Unrealized losses in fair value of equity instruments	3,201	19,048
Straight-line lease loss (income)	5,928	(8,706)
Equity in income of unconsolidated entities	(15,069)	(50,465)
Distributions of income from unconsolidated entities	62,888	68,501
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	203,703	44,761
Deferred costs and other assets	(38,016)	(30,488)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	(99,055)	(146,051)
Net cash provided by operating activities	875,762	741,307
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(56,250)	(107,797)
Funding of loans to related parties	(494)
Repayments of loans to related parties	285
Capital expenditures, net	(114,808)	(213,214)
Cash impact from the consolidation of properties	5,595
Investments in unconsolidated entities	(19,511)	(41,547)
Purchase of equity instruments	(556)	(24,070)
Insurance proceeds for property restoration	6,400	423
Distributions of capital from unconsolidated entities and other	41,287	172,525
Net cash used in investing activities	(138,052)	(213,680)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(82)	(82)
Redemption of limited partner units	(37)	(16,067)
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	(2,029)	(4,548)
Contributions from noncontrolling interest holders in properties		28
Preferred distributions of the Operating Partnership	(479)	(479)
Distributions to stockholders and preferred dividends	(427,472)	(645,259)
Distributions to limited partners	(60,324)	(98,099)
Cash paid to extinguish debt	(2,959)
Proceeds from issuance of debt, net of transaction costs	3,576,224	6,451,290
Repayments of debt	(3,889,449)	(3,006,342)
Net cash (used in) provided by financing activities	(813,486)	2,527,853
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(75,776)	3,055,480
CASH AND CASH EQUIVALENTS, beginning of period	1,011,613	669,373
CASH AND CASH EQUIVALENTS, end of period	935,837	3,724,853
Simon Property Group, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	510,460	505,404
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	331,820	340,265
Loss on debt extinguishment	2,959
Gain on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net	(93,057)	(962)
Unrealized losses in fair value of equity instruments	3,201	19,048
Straight-line lease loss (income)	5,928	(8,706)
Equity in income of unconsolidated entities	(15,069)	(50,465)
Distributions of income from unconsolidated entities	62,888	68,501
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	203,703	44,761
Deferred costs and other assets	(38,016)	(30,488)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	(99,055)	(146,051)
Net cash provided by operating activities	875,762	741,307
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(56,250)	(107,797)
Funding of loans to related parties	(494)
Repayments of loans to related parties	285
Capital expenditures, net	(114,808)	(213,214)
Cash impact from the consolidation of properties	5,595
Investments in unconsolidated entities	(19,511)	(41,547)
Purchase of equity instruments	(556)	(24,070)
Insurance proceeds for property restoration	6,400	423
Distributions of capital from unconsolidated entities and other	41,287	172,525
Net cash used in investing activities	(138,052)	(213,680)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(82)	(82)
Redemption of limited partner units	(37)	(16,067)
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	(2,029)	(4,548)
Contributions from noncontrolling interest holders in properties		28
Preferred distributions of the Operating Partnership	(488,275)	(743,837)
Cash paid to extinguish debt	(2,959)
Proceeds from issuance of debt, net of transaction costs	3,576,224	6,451,290
Repayments of debt	(3,889,449)	(3,006,342)
Net cash (used in) provided by financing activities	(813,486)	2,527,853
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(75,776)	3,055,480
CASH AND CASH EQUIVALENTS, beginning of period	1,011,613	669,373
CASH AND CASH EQUIVALENTS, end of period	$ 935,837	$ 3,724,853