Subsequent Events (Narrative) (Details)								3 Months Ended
Subsequent Events (Narrative) (Details)	May 31, 2017 USD ($)	May 18, 2017	May 17, 2017 USD ($) shares	May 10, 2017 EUR (€)	May 08, 2017 USD ($) shares	Apr. 27, 2017	Apr. 18, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) $ / shares shares
Subsequent Event [Line Items]
Common stock issued for stock option exercised, shares \| shares								35,000,000
Shares issued for stock option exercised, value \| $								$ 630,000
Exercise price of stock options \| $ / shares								$ 0.0606
Common Shares [Member]
Subsequent Event [Line Items]
Common stock issued for stock option exercised, shares \| shares								35,000,000
Shares issued for stock option exercised, value \| $								$ 35,000
Shares issued for service during the period, shares \| shares								58,000,000
Subsequent Event [Member] \| One-Year Convertible Promissory Note To Royalty Management Services Corp [Member]
Subsequent Event [Line Items]
Accrued management fees payable converted to convertible promissory notes \| $	$ 375,000
Debt conversion terms	At the election of the note holder, it can be converted into common stock of the Company at the par value of $0.001 a share or other mutually agreed upon price. The Company has fully recognized the conversion discount of the Note as prepaid interest to the maximum amount of $375,000 in accordance with ASC 470-20-30-8 and amortize it over the life of the Note.
Subsequent Event [Member] \| Jinvator BioMed GmbH [Member]
Subsequent Event [Line Items]
Percentage of equity interest acquired				7490.00%
Subsequent Event [Member] \| Jinvator BioMed GmbH [Member] \| Euros
Subsequent Event [Line Items]
Payments made as deposit to acquire equity interest \| €				€ 60,000
Subsequent Event [Member] \| Five Year Research Collaboration Agreement With DFCI [Member]
Subsequent Event [Line Items]
Agreement terms						On April 27, 2017, the Company entered a five-year Research Collaboration Agreement with DFCI for a research project to develop and investigate the use of Cannabinolds to cure various forms of cancer and investigate synergies with radiotherapy and immunotherapy. In consideration for this agreement and performance of the research, the Company is obligated to pay DFCI a total of $1,834,062 over the life of the agreement with $159,287 due at signing and $418,683 to be paid at each anniversary of the agreement for the next four years.
Subsequent Event [Member] \| Exclusive Master Facilitator Agreement With Winnemucca Tribal MBS Of Nevada, Free Spirit Organics, LLC (FSO), American Education Consulting Group, Raymond C. Dabney University (RCDU), American States University And Royalty Management Services Corp. (RMS)
Subsequent Event [Line Items]
Agreement terms		On May 18, 2017, the Company entered an Exclusive Master Facilitator Agreement with Winnemucca Tribal MBS of Nevada, Free Spirit Organics, LLC (FSO), American Education Consulting Group, Raymond C. Dabney University (RCDU), American States University and Royalty Management Services Corp. (RMS) to lease and develop 250 Acres of land located in Holt, California for 15 years. As a master facilitator, the Company will provide general support with developing, cultivating and processing Industrial Hemp for RCDU and FSO on the property. Pursuant to the agreement, the Company and RMS are responsible for a $400,000 non-refundable deposit and the development and operations on the property on 50-50 basis. Additionally, the Company will share 40% of net profit as investor with RMS and retain 5% of net profit as master facilitator.
Subsequent Event [Member] \| Common Shares [Member] \| 2016 Equity Award Plan B [Member] \| Dr. Allen Herman - Cheif Medical Officer [Member]
Subsequent Event [Line Items]
Common stock issued for stock option exercised, shares \| shares							10,000,000
Shares issued for stock option exercised, value \| $							$ 829,000
Exercise price of stock options \| $ / shares							$ 0.02
Subsequent Event [Member] \| Rule 144 Restricted Stock [Member] \| One Year Consulting Agreement [Member]
Subsequent Event [Line Items]
Shares issued for service during the period, shares \| shares			1,500,000		7,000,000
Shares issued for services during the period, value \| $			$ 93,600		$ 469,000

CANNABIS SCIENCE, INC. 10-Q