2.2.0.25falsefalse1010 - Disclosure - Organizationtruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $D2010http://www.sec.gov/CIK0001063761duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0spg_OrganizationDisclosureAbstractspgfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseOrganization3false0us-gaap_NatureOfOperationsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<table style="font-size:10pt; font-family:'Times New Roman',times,serif;"> <tr> <td> 1.    Organization             Simon Property Group, Inc. is a Delaware corporation that operates as a self-administered and self-managed real estate investment trust, or REIT, under the Internal Revenue Code. Simon Property Group, L.P., or the Operating Partnership, is our majority-owned partnership subsidiary that owns all of our real estate properties. In these notes to consolidated financial statements, the terms "we", "us" and "our" refer to Simon Property, the Operating Partnership, and their subsidiaries.             We own, develop and manage retail real estate properties, which consist primarily of regional malls, Premium Outlets®, The Mills®, and community/lifestyle centers. As of December 31, 2010, we owned or held an interest in 338 income-producing properties in the United States, which consisted of 161 regional malls, 58 Premium Outlets, 66 community/lifestyle centers, 36 properties acquired in the 2007 acquisition of The Mills Corporation, or the Mills acquisition, and 17 other shopping centers or outlet centers in 41 states and Puerto Rico. Of the 36 properties acquired in the Mills portfolio, 16 of these properties are The Mills, 16 are regional malls, and four are community centers. Internationally, as of December 31, 2010, we had ownership interests in 45 European shopping centers in Italy, eight Premium Outlets in Japan, one Premium Outlet in Mexico, and one Premium Outlet in South Korea. On July 15, 2010, we and our joint venture partner sold our collective interests in Simon Ivanhoe S.à.r.l., or Simon Ivanhoe, which owned seven shopping centers located in France and Poland.             We generate the majority of our revenues from leases with retail tenants including: <ul> <li style="list-style: none"> <dl compact="compact"> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Base minimum rents, </dd> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Overage and percentage rents based on tenants' sales volume, and </dd> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Recoveries of substantially all of our recoverable expenditures, which consist of property operating, real estate taxes, repair and maintenance, and advertising and promotional expenditures. </dd></dl></li></ul>             Revenues of our management company, after intercompany eliminations, consist primarily of management fees that are typically based upon the revenues of the property being managed.             We also generate supplemental revenue from the following activities: <ul> <li style="list-style: none"> <dl compact="compact"> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Establishing our malls as leading market resource providers for retailers and other businesses and consumer-focused corporate alliances including payment systems (such as handling fees relating to the sales of bank-issued prepaid cards), national marketing alliances, static and digital media initiatives, business development, sponsorship, and events, </dd> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Offering property operating services to our tenants and others, including waste handling and facility services, and the sale of energy, </dd> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Selling or leasing land adjacent to our shopping center properties, commonly referred to as "outlots" or "outparcels," and </dd> <dt style="MARGIN-BOTTOM: -11pt; FONT-FAMILY: times"></dt> <dd style="FONT-FAMILY: times; TEXT-ALIGN: justify">Generating interest income on cash deposits, loans made to related entities and loans held for investment. </dd></dl></li></ul></td></tr></table> 1.    Organization             Simon Property Group, Inc. is a DelawarefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). Disclosures about the nature of operations need not be quantified; relative importance could be conveyed by use of terms such as "predominately", "about equally", or "major and other". This element is also referred to as "Business Description".Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 10 falsefalseOrganization12OrganizationUnKnownUnKnownUnKnownUnKnownfalsetrue