Nature Of Business	3 Months Ended
Mar. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature Of Business	NOTE 1 – NATURE OF BUSINESS Northumberland Resources, Inc. (“the “Company”) is an oil and gas exploration and production company and was incorporated in the state of Nevada on June 22, 2009. Northumberland is an exploration stage company. The Company is an “exploration stage company” as defined in the ASC Topic Accounting and Reporting by Development Stage Companies. The Company is devoting its resources to acquiring oil and gas properties and its planned operations have not yet commenced. Only minimal revenues have been earned during the period from June 22, 2009 (date of inception) to December 31, 2011.

The entire disclosure for 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).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 94-6

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_NatureOfOperations
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration