Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	$ 505,404	$ 631,947
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	340,265	339,918
Gain on sale or disposal of assets and interests in unconsolidated entities, net	(962)
Unrealized losses (gains) in fair value of equity instruments	19,048	(5,317)
Straight-line lease income	(8,706)	(11,981)
Equity in income of unconsolidated entities	(50,465)	(90,444)
Distributions of income from unconsolidated entities	68,501	82,918
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	44,761	36,842
Deferred costs and other assets	(30,488)	(20,013)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	(146,051)	(126,523)
Net cash provided by operating activities	741,307	837,347
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(107,797)
Capital expenditures, net	(213,214)	(216,781)
Investments in unconsolidated entities	(41,547)	(11,980)
Purchase of equity instruments	(24,070)	(6,905)
Insurance proceeds for property restoration	423	1,757
Distributions of capital from unconsolidated entities and other	172,525	120,347
Net cash used in investing activities	(213,680)	(113,562)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(82)	(82)
Purchase of shares related to stock grant recipients' tax withholdings		(249)
Redemption of limited partner units	(16,067)	(135)
Purchase of treasury stock	(152,589)	(7,628)
Distributions to noncontrolling interest holders in properties	(4,548)	(1,803)
Contributions from noncontrolling interest holders in properties	28
Preferred distributions of the Operating Partnership	(479)	(479)
Distributions to stockholders and preferred dividends	(645,259)	(634,222)
Distributions to limited partners	(98,099)	(96,010)
Proceeds from issuance of debt, net of transaction costs	6,451,290	2,587,324
Repayments of debt	(3,006,342)	(2,648,034)
Net cash provided by (used in) financing activities	2,527,853	(801,318)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,055,480	(77,533)
CASH AND CASH EQUIVALENTS, beginning of period	669,373	514,335
CASH AND CASH EQUIVALENTS, end of period	3,724,853	436,802
Simon Property Group, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated Net Income	505,404	631,947
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Depreciation and amortization	340,265	339,918
Gain on sale or disposal of assets and interests in unconsolidated entities, net	(962)
Unrealized losses (gains) in fair value of equity instruments	19,048	(5,317)
Straight-line lease income	(8,706)	(11,981)
Equity in income of unconsolidated entities	(50,465)	(90,444)
Distributions of income from unconsolidated entities	68,501	82,918
Changes in assets and liabilities
Tenant receivables and accrued revenue, net	44,761	36,842
Deferred costs and other assets	(30,488)	(20,013)
Accounts payable, accrued expenses, intangibles, deferred revenues and other liabilities	(146,051)	(126,523)
Net cash provided by operating activities	741,307	837,347
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions	(107,797)
Capital expenditures, net	(213,214)	(216,781)
Investments in unconsolidated entities	(41,547)	(11,980)
Purchase of equity instruments	(24,070)	(6,905)
Insurance proceeds for property restoration	423	1,757
Distributions of capital from unconsolidated entities and other	172,525	120,347
Net cash used in investing activities	(213,680)	(113,562)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sales of common stock and other, net of transaction costs	(82)	(82)
Purchase of shares related to stock grant recipients' tax withholdings		(249)
Redemption of limited partner units	(16,067)	(135)
Purchase of general partner units	(152,589)	(7,628)
Distributions to noncontrolling interest holders in properties	(4,548)	(1,803)
Contributions from noncontrolling interest holders in properties	28
Preferred distributions of the Operating Partnership	(743,837)	(730,711)
Proceeds from issuance of debt, net of transaction costs	6,451,290	2,587,324
Repayments of debt	(3,006,342)	(2,648,034)
Net cash provided by (used in) financing activities	2,527,853	(801,318)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,055,480	(77,533)
CASH AND CASH EQUIVALENTS, beginning of period	669,373	514,335
CASH AND CASH EQUIVALENTS, end of period	$ 3,724,853	$ 436,802