| Document And Entity Information - shares | 6 Months Ended | |
| Sep. 30, 2016 | Feb. 21, 2017 | |
| Document Information [Line Items] | ||
| Entity Registrant Name | SEGUIN NATURAL HAIR PRODUCTS INC. | |
| Entity Central Index Key | 1,642,363 | |
| Trading Symbol | snhp | |
| Current Fiscal Year End Date | --03-31 | |
| Entity Filer Category | Smaller Reporting Company | |
| Entity Current Reporting Status | Yes | |
| Entity Voluntary Filers | No | |
| Entity Well-known Seasoned Issuer | No | |
| Entity Common Stock, Shares Outstanding (in shares) | 16,500,000 | |
| Document Type | 10-Q/A | |
| Document Period End Date | Sep. 30, 2016 | |
| Document Fiscal Year Focus | 2,017 | |
| Document Fiscal Period Focus | Q2 | |
| Amendment Flag | true | |
| Amendment Description | The Company is filing this Amendment No. 1 on Form 10-Q/A because the previous Form 10-Q for the period ended September 30, 2016, was filed by the Company without the review or approval of an independent public accountant. The financial statements included herein as of September 30, 2016 and for the three and six months ended September 30, 2016 and 2015 have been reviewed by our current independent registered public accounting firm. |
| Balance Sheets (Unaudited) - USD ($) | Sep. 30, 2016 | Mar. 31, 2016 |
| CURRENT ASSETS: | ||
| Cash | $ 2,015 | $ 21,781 |
| Prepaid Expenses | 596 | 2,379 |
| Total Current Assets | 2,611 | 24,160 |
| Total Assets | 2,611 | 24,160 |
| CURRENT LIABILITIES: | ||
| Advances from stockholders | 236 | 236 |
| Total Current Liabilities | 236 | 236 |
| Total Liabilities | 236 | 236 |
| COMMITMENTS AND CONTINGENCIES | ||
| STOCKHOLDERS' EQUITY: | ||
| Common stock par value $0.0001: 500,000,000 shares authorized; 16,500,000 shares issued and outstanding | 1,650 | 1,650 |
| Additional paid-in capital | 73,232 | 63,332 |
| Accumulated deficit | (72,507) | (41,058) |
| Total Stockholders' Equity | 2,375 | 23,924 |
| Total Liabilities and Stockholders' Equity | $ 2,611 | $ 24,160 |
| Balance Sheets (Unaudited) (Parentheticals) - $ / shares | Sep. 30, 2016 | Mar. 31, 2016 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common Stock, Shares Authorized (in shares) | 500,000,000 | 500,000,000 |
| Common Stock, Shares, Issued (in shares) | 16,500,000 | 16,500,000 |
| Common Stock, Shares, Outstanding (in shares) | 16,500,000 | 16,500,000 |
| Statements of Operations (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended | ||
| Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | |
| Revenue | $ 0 | $ 0 | ||
| Operating Expenses | ||||
| Professional fees | 5,797 | 10,538 | 27,209 | 30,788 |
| General and administrative expenses | 115 | 671 | 4,240 | 2,236 |
| Total operating expenses | 5,912 | 11,209 | 31,449 | 33,024 |
| Loss from Operations | (5,912) | (11,209) | (31,449) | (33,024) |
| Income Tax Provision | 0 | 0 | ||
| Net Loss | $ (5,912) | $ (11,209) | $ (31,449) | $ (33,024) |
| Net Loss per Common Share - Basic and Diluted (in dollars per share) | $ 0 | $ 0 | $ 0 | $ 0 |
| Weighted average common shares outstanding: - basic and diluted (in shares) | 16,500,000 | 16,500,000 | 16,500,000 | 16,500,000 |
| Statements of Cash Flows (Unaudited) - USD ($) | 6 Months Ended | |
| Sep. 30, 2016 | Sep. 30, 2015 | |
| CASH FLOWS FROM OPERATING ACTIVITIES: | ||
| Net loss | $ (31,449) | $ (33,024) |
| Changes in operating assets and liabilities: | ||
| Prepaid expenses | 1,783 | 0 |
| Net cash used in operating activities | (29,666) | (33,024) |
| CASH FLOWS FROM FINANCING ACTIVITIES: | ||
| Advances from (repayment to) stockholders | 255 | |
| Capital contribution | 9,900 | 0 |
| Net cash provided by financing activities | 9,900 | 255 |
| Net change in cash | (19,766) | (32,769) |
| Cash at beginning of the reporting period | 21,781 | 44,710 |
| Cash at end of the reporting period | 2,015 | 11,941 |
| SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION: | ||
| Interest paid | 0 | 0 |
| Income tax paid | $ 0 | $ 0 |
| Note 1 - Organization and Operations | 6 Months Ended |
| Sep. 30, 2016 | |
| Notes to Financial Statements | |
| Nature of Operations [Text Block] | Note 1 Seguin Natural Hair Products Inc. Seguin Natural Hair Products Inc. (the “Company”) was incorporated on April 29, 2014 The Company intends to proceed in the business of developing, marketing, and selling shampoo, conditioner and other hair care products made from all natural ingredients. |
| Note 2 - Basis of Presentation | 6 Months Ended |
| Sep. 30, 2016 | |
| Notes to Financial Statements | |
| Significant Accounting Policies [Text Block] | Note 2 Basis of Presentation The accompanying unaudited interim financial statements and related notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for the interim financial information, and with the rules and regulations of the United States Securities and Exchange Commission (“SEC”) to Form 10 8 March 31, 2016 10 July 13, 2016 . |
| Note 3 - Going Concern | 6 Months Ended |
| Sep. 30, 2016 | |
| Notes to Financial Statements | |
| Substantial Doubt about Going Concern [Text Block] | Note 3 The Company has elected to adopt early application of Accounting Standards Update No. 2014 15, “ Presentation of Financial Statements—Going Concern (Subtopic 205 40): (“ASU 2014 15”) . The Company’s financial statements have been prepared assuming that it will continue as a going concern, which contemplates continuity of operations, realization of assets, and liquidation of liabilities in the normal course of business. As reflected in the financial statements, the Company had an accumulated deficit at September 30, 2016, then ended. These factors raise substantial doubt about the Company’s ability to continue as a going concern. The Company is attempting to commence operations and generate sufficient revenue; however, the Company’s cash position may . The financial statements do not include any adjustments related to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might be necessary should the Company be unable to continue as a going concern . |
| Note 4 - Stockholders' Equity (Deficit) | 6 Months Ended |
| Sep. 30, 2016 | |
| Notes to Financial Statements | |
| Stockholders' Equity Note Disclosure [Text Block] | Note 4 – Stockholders ’ Equity (Deficit) Shares Authorized Upon formation the total number of shares of all classes of stock which the Company is authorized to issue Five Hundred Million (500,000,000) $0.0 001 Common Stock On April 29, 2014, 12,000,000 $0.0 001 $1,200 For the period from August 4, 2014 March 31, 2015, 4,500,000 $0.01 45 $45 ,000. |
| Note 5 - Related Party Transactions | 6 Months Ended |
| Sep. 30, 2016 | |
| Notes to Financial Statements | |
| Related Party Transactions Disclosure [Text Block] | Note 5 Free Office Space The Company has been provided office space by its Chief Executive Officer at no cost. The management determined that such cost is nominal and did not recognize the rent expense in its financial statement. Shareholder Advances During the year ended March 31, 2015, $80 , which was recorded as non-interest bearing advances from shareholders, payable on demand. During the year ended March 31, 2016, $236 , which was recorded as non-interest bearing advances from shareholders, payable on demand. The total due at September 30, 2016 $236. Capital Contribution During the six September 30, 2016, $9,900. |
| Significant Accounting Policies (Policies) | 6 Months Ended |
| Sep. 30, 2016 | |
| Accounting Policies [Abstract] | |
| Basis of Accounting, Policy [Policy Text Block] | The accompanying unaudited interim financial statements and related notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for the interim financial information, and with the rules and regulations of the United States Securities and Exchange Commission (“SEC”) to Form 10 8 March 31, 2016 10 July 13, 2016 |
| Note 4 - Stockholders' Equity (Deficit) (Details Textual) - USD ($) | Apr. 29, 2014 | Mar. 31, 2015 | Sep. 30, 2016 | Mar. 31, 2016 |
| Common Stock, Shares Authorized | 500,000,000 | 500,000,000 | ||
| Common Stock, Par or Stated Value Per Share | $ 0.0001 | $ 0.0001 | ||
| Forty-Five Individuals [Member] | ||||
| Stock Issued During Period, Shares, New Issues | 4,500,000 | |||
| Sale of Stock, Price Per Share | $ 0.01 | |||
| Stock Issued During Period, Value, New Issues | $ 45,000 | |||
| Chief Executive Officer [Member] | ||||
| Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | 12,000,000 | |||
| Shares Issued, Price Per Share | $ 0.0001 | |||
| Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures | $ 1,200 |
| Note 5 - Related Party Transactions (Details Textual) - USD ($) | 6 Months Ended | 12 Months Ended | |
| Sep. 30, 2016 | Mar. 31, 2016 | Mar. 31, 2015 | |
| Proceeds from Contributed Capital | $ 236 | $ 80 | |
| Chief Executive Officer [Member] | |||
| Proceeds from Contributed Capital | $ 9,900 | ||
