2.2.0.25falsefalse0201 - Disclosure - Description of Business and Organizationtruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011 USD ($) USD ($) / shares $FROM_Jan01_2011_TO_Mar31_2011http://www.sec.gov/CIK0001265888duration2011-01-01T00:00:002011-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0EPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0nsr_DescriptionOfBusinessAndOrganizationAbstractnsrfalsenadurationDescription of Business and Organization.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringDescription of Business and Organization.falsefalseDescription of Business and Organization [Abstract]3false0us-gaap_NatureOfOperationsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse001.       DESCRIPTION OF BUSINESS AND ORGANIZATION NeuStar, Inc. (the Company or Neustar) was incorporated as a Delaware corporation in 1998. The Company provides authoritative directory and policy management services to its customers, which include communications service providers, or carriers, and non-carrier, commercial businesses, or enterprises. The Company was founded to meet the technical and operational challenges of the communications industry when the U.S. government mandated local number portability in 1996. The Company provides the authoritative solution that the communications industry relies upon to meet this mandate and the Company also provides a broad range of innovative services to meet an expansive range of its customers' needs. The Company provides critical directory services that its carrier and enterprise customers rely upon to manage a wide range of technical and operating requirements, including the following:<ul><li style="margin-left:54px;list-style:disc;">Carrier Services. The Company's carrier services include numbering services, order management services and Internet protocol (IP) services. Through its set of unique databases and system infrastructure in geographically dispersed data centers, the Company manages the increasing complexity in the telecommunications industry. The Company ensures the seamless connection of its carrier customers' numerous networks, while also enhancing the capabilities and performance of their infrastructure. The Company operates the authoritative databases that manage virtually all telephone area codes and numbers, and enables the dynamic routing of calls among numerous competing carriers in the United States and Canada. All carriers that offer telecommunications services to the public at large must access a copy of the Company's unique database to properly route their customers' calls. The Company also facilitates order management and work flow processing among carriers, and allows operators to manage and optimize the addressing and routing of IP communications.</li><li style="margin-left:54px;list-style:disc;">Enterprise Services. The Company's enterprise services include Internet infrastructure services and registry services. Through the Company's global directory platform, the Company provides a suite of domain name system (DNS) services to its enterprise customers. The Company manages a collection of directories that maintain addresses in order to direct, prioritize and manage Internet traffic, and to find and resolve Internet queries and top-level domains. The Company is the authoritative provider of essential registry services and manages directories of similar resources, or addresses, that its customers use for reliable, fair and secure access and connectivity. In addition, enterprise customers rely on the Company's services to monitor and load-test websites to help identify issues and optimize performance. The Company also provides IP geolocation services that help enterprises identify the location of their consumers for a variety of purposes, such as target marketing and fraud prevention. Additionally, the Company provides directory services for the 5- and 6-digit number strings used for all U.S. Common Short Codes, which is part of the short messaging service relied upon by the U.S. wireless industry.</li></ul>1.       DESCRIPTION OF BUSINESS AND ORGANIZATION NeuStar, Inc. (the Company or Neustar) was incorporated as 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 falsefalseDESCRIPTION OF BUSINESS AND ORGANIZATION12Description of Business and OrganizationUnKnownUnKnownUnKnownUnKnownfalsetrue