| Document And Entity Information - shares | 3 Months Ended | |
| Mar. 31, 2019 | Apr. 07, 2021 | |
| Document Information Line Items | ||
| Entity Registrant Name | Apex 11 Inc. | |
| Document Type | 10-Q | |
| Current Fiscal Year End Date | --12-31 | |
| Entity Common Stock, Shares Outstanding | 15,647,216 | |
| Amendment Flag | false | |
| Entity Central Index Key | 0001578329 | |
| Entity Filer Category | Non-accelerated Filer | |
| Document Period End Date | Mar. 31, 2019 | |
| Document Fiscal Year Focus | 2018 | |
| Document Fiscal Period Focus | Q1 | |
| Entity Small Business | true | |
| Entity Emerging Growth Company | false | |
| Entity Shell Company | true | |
| Entity Interactive Data Current | No |
| BALANCE SHEETS - USD ($) | Mar. 31, 2019 | Dec. 31, 2018 |
| ASSETS | ||
| Receivable from controlling stockholder | $ 357 | $ 1,042 |
| LIABILITIES | ||
| Accrued expenses | 508 | 76 |
| STOCKHOLDERS’ EQUITY (DEFICIENCY) | ||
| Preferred stock; $.0001 par value; 5,000,000 shares authorized; none issued and outstanding | 0 | 0 |
| Common stock; $.0001 par value; 100,000,000 shares authorized; 15,647,216 issued and outstanding, respectively | 1,565 | 1,565 |
| Additional paid-in capital | 41,307 | 41,307 |
| Accumulated deficit | (43,023) | (41,906) |
| Total stockholders’ equity (deficiency) | (151) | 966 |
| Total liabilities and stockholders’ equity (deficiency) | $ 357 | $ 1,042 |
| BALANCE SHEETS (Parentheticals) - $ / shares | Mar. 31, 2019 | Dec. 31, 2018 |
| Statement of Financial Position [Abstract] | ||
| Preferred stock par value (in Dollars per share) | $ 0.0001 | $ 0 |
| Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock par value (in Dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 100,000,000 | 100,000,000 |
| Common stock, shares issued | 15,647,216 | 15,647,216 |
| Common stock, shares outstanding | 15,647,216 | 15,647,216 |
| STATEMENTS OF OPERATIONS - USD ($) | 3 Months Ended | |
| Mar. 31, 2019 | Mar. 31, 2018 | |
| OPERATING EXPENSES | ||
| General and administrative | $ 1,117 | $ 2,878 |
| NET LOSS | $ (1,117) | $ (2,878) |
| Basic and diluted loss per common share (in Dollars per share) | $ 0 | $ 0 |
| Basic and diluted weighted-average common shares outstanding (in Shares) | 15,647,216 | 10,000,000 |
| STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIENCY) - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total |
| Balances at Dec. 31, 2017 | $ 1,000 | $ 15,941 | $ (19,271) | $ (2,330) |
| Balances (in Shares) at Dec. 31, 2017 | 10,000,000 | |||
| Net loss | (2,878) | (2,878) | ||
| Balances at Mar. 31, 2018 | $ 1,000 | 15,941 | (22,149) | (5,208) |
| Balances (in Shares) at Mar. 31, 2018 | 10,000,000 | |||
| Balances at Dec. 31, 2018 | $ 1,565 | 41,307 | (41,906) | $ 966 |
| Balances (in Shares) at Dec. 31, 2018 | 15,647,216 | 15,647,216 | ||
| Net loss | (1,117) | $ (1,117) | ||
| Balances at Mar. 31, 2019 | $ 1,565 | $ 41,307 | $ (43,023) | $ (151) |
| Balances (in Shares) at Mar. 31, 2019 | 15,647,216 | 15,647,216 |
| STATEMENTS OF CASH FLOWS - USD ($) | 3 Months Ended | |
| Mar. 31, 2019 | Mar. 31, 2018 | |
| OPERATING ACTIVITIES | ||
| Net loss | $ (1,117) | $ (2,878) |
| Adjustments to reconcile net loss to net cash provided from operating activities: | ||
| Receivable from controlling stockholder | 685 | 0 |
| Accrued liabilities | 432 | (1,470) |
| Controlling stockholder payable | 0 | 4,348 |
| CASH FLOWS FROM OPERATING ACTIVITIES | 0 | 0 |
| CASH FLOWS FROM INVESTING ACTIVITIES | 0 | 0 |
| CASH FLOWS FROM FINANCING ACTIVITIES | 0 | 0 |
| NET CHANGE IN CASH AND CASH EQUIVALENTS | 0 | 0 |
| CASH AND CASH EQUIVALENTS, Beginning of period | 0 | 0 |
| CASH AND CASH EQUIVALENTS, End of period | $ 0 | $ 0 |
| ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | 3 Months Ended |
| Mar. 31, 2019 | |
| Accounting Policies [Abstract] | |
| Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] | 1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation Organization Use of Estimates Going Concern Subsequent Events |
| CONTROLLING STOCKHOLDER RECEIVABLE AND PAYABLE | 3 Months Ended |
| Mar. 31, 2019 | |
| Related Party Transactions [Abstract] | |
| Related Party Transactions Disclosure [Text Block] | 2. CONTROLLING STOCKHOLDER RECEIVABLE As of March 31, 2019 and December 31, 2018, the Company has a non-interest bearing receivable of $357 and $1,042, respectively, from its controlling stockholder related to advances to fund operations. The amount owed was repaid subsequent to March 31, 2019. |
| INCOME TAXES | 3 Months Ended |
| Mar. 31, 2019 | |
| Income Tax Disclosure [Abstract] | |
| Income Tax Disclosure [Text Block] | 3. INCOME TAXES Significant components of the Company's deferred income tax assets and liabilities are as follows: March 31, December 31, 2019 2018 Deferred income tax asset – net operating loss carryforward $ 11,143 $ 10,854 Valuation allowance (11,143 ) (10,854 ) Net deferred income tax asset $ — $ — At March 31, 2019, the Company had available approximately $43,000 of net operating loss (NOL) carryforwards, which begin to expire in 2033. However, a valuation allowance has been recorded reducing the NOL net deferred tax asset to zero because of uncertainty as to the ultimate utilization of the net operating losses to which it relates. |
| Accounting Policies, by Policy (Policies) | 3 Months Ended |
| Mar. 31, 2019 | |
| Accounting Policies [Abstract] | |
| Basis of Accounting, Policy [Policy Text Block] | Basis of Presentation Organization |
| Use of Estimates, Policy [Policy Text Block] | Use of Estimates |
| Going Concern, Policy [Policy Textblock} | Going Concern |
| Subsequent Events, Policy [Policy Text Block] | Subsequent Events |
| INCOME TAXES (Tables) | 3 Months Ended |
| Mar. 31, 2019 | |
| Income Tax Disclosure [Abstract] | |
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | Significant components of the Company's deferred income tax assets and liabilities are as follows: March 31, December 31, 2019 2018 Deferred income tax asset – net operating loss carryforward $ 11,143 $ 10,854 Valuation allowance (11,143 ) (10,854 ) Net deferred income tax asset $ — $ — |
| CONTROLLING STOCKHOLDER RECEIVABLE AND PAYABLE (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018 |
| Related Party Transactions [Abstract] | ||
| Due from Officers or Stockholders, Current | $ 357 | $ 1,042 |
| INCOME TAXES (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018 |
| Income Tax Disclosure [Abstract] | ||
| Operating Loss Carryforwards | $ 43,000 | |
| Deferred Tax Assets, Net of Valuation Allowance | $ 0 | $ 0 |
| INCOME TAXES (Details) - Schedule of Deferred Tax Assets and Liabilities - USD ($) | Mar. 31, 2019 | Dec. 31, 2018 |
| Schedule of Deferred Tax Assets and Liabilities [Abstract] | ||
| Deferred income tax asset – net operating loss carryforward | $ 11,143 | $ 10,854 |
| Valuation allowance | (11,143) | (10,854) |
| Net deferred income tax asset | $ 0 | $ 0 |
