Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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No definition available.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Indebtedness - Debt Repaid and Redeemed (Details) $ in Thousands, € in Millions		3 Months Ended	12 Months Ended
	Feb. 01, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Oct. 07, 2019 EUR (€)	Oct. 07, 2019 USD ($)	Oct. 06, 2019 EUR (€)	Sep. 13, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt
Fixed rate debt		$ 23,230,912	$ 23,230,912						$ 22,393,936
Loss on debt extinguishment			116,256	$ 128,618
Simon Property Group, L.P.
Debt
Loss on debt extinguishment			116,256	$ 128,618
Unsecured Debt \| Senior unsecured notes
Debt
Fixed rate debt		15,747,267	$ 15,747,267						$ 15,535,468
Unsecured Debt \| Senior unsecured notes \| Simon Property Group, L.P.
Debt
Loss on debt extinguishment		$ 116,300
Unsecured Debt \| Senior Unsecured Notes 2.20% \| Simon Property Group, L.P.
Debt
Debt repaid	$ 600,000
Fixed rate of interest	2.20%
Unsecured Debt \| Senior unsecured notes 2.00% due 2024 \| Simon Property Group, L.P.
Debt
Debt issued								$ 1,000,000
Fixed rate of interest								2.00%
Unsecured Debt \| Senior unsecured notes 2.45% due 2029 \| Simon Property Group, L.P.
Debt
Debt issued								$ 1,250,000
Fixed rate of interest								2.45%
Unsecured Debt \| Senior unsecured notes 3.25% due 2049 \| Simon Property Group, L.P.
Debt
Debt issued								$ 1,250,000
Fixed rate of interest								3.25%
Unsecured Debt \| Senior unsecured notes 4.375% due March 1, 2021 \| Simon Property Group, L.P.
Debt
Amount of debt redeemed						$ 900,000
Fixed rate of interest					4.375%	4.375%
Unsecured Debt \| Senior unsecured notes 4.125% due December 1, 2021 \| Simon Property Group, L.P.
Debt
Amount of debt redeemed						$ 700,000
Fixed rate of interest					4.125%	4.125%
Unsecured Debt \| Senior unsecured notes 3.375% due March 15, 2022 \| Simon Property Group, L.P.
Debt
Amount of debt redeemed						$ 600,000
Fixed rate of interest					3.375%	3.375%
Unsecured Debt \| Senior unsecured notes 2.375% due October 2, 2020 \| Simon Property Group, L.P.
Debt
Amount of debt redeemed \| €					€ 375
Fixed rate debt \| €							€ 750
Fixed rate of interest					2.375%	2.375%