2.4.0.8000230 - Disclosure - 1. Basis of Presentation and Summary of Significant Accounting Policies: Asset Retirement Obligations (Policies)truefalsefalse1false falsefalseY13Q2http://www.sec.gov/CIK0001399306duration2013-04-01T00:00:002013-06-30T00:00:001true 1us-gaap_PolicyTextBlockAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Policies2false 2us-gaap_AssetRetirementObligationsPolicyus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Asset Retirement Obligations   The Company has adopted FASB Accounting Standards Codification Topic (ASC) No. 410, Asset Retirement and Environmental Obligations which requires that the fair value of liability for an asset retirement obligation be recognized in the period in which it is incurred. ASC No. 410 requires a liability to be recorded for the present value of the estimated site restoration costs with a corresponding increase to the carrying amount of the related long-lived asset. The liability will be accreted and the asset will be depreciated over the life of the related assets. Adjustments for changes resulting from the passage of time and changes to either the timing or amount of the original present value estimate underlying the obligation will be made. The Company has not incurred any asset retirement obligations as at June 30, 2013.  falsefalsefalsenonnum:textBlockItemTypenaDisclosure of accounting policy for determining amounts to accrue and charge against earnings so as to satisfy legal obligations associated with the retirement (through sale, abandonment, recycling, or disposal in some other manner) of a tangible long-lived asset that result from the acquisition, construction, or development and (or) the normal operation of a long-lived asset. This accounting policy disclosure excludes obligations arising 1) in connection with leased property, whether imposed by a lease agreement or by a party other than the lessor, that meet the definition of either minimum lease payments or contingent rentals; 2) solely from a plan to sell or otherwise dispose of a long-lived asset and 3) from certain environmental remediation liabilities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 false0Asset Retirement Obligationsfalse1. Basis of Presentation and Summary of Significant Accounting Policies: Asset Retirement Obligations (Policies)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.gridpetroleum.com/20130630/role/idr_Disclosure1BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesAssetRetirementObligationsPolicies12