| Notes Payable (Details) - Schedule of conversion options were valued using the Black-Scholes option pricing model - Notes payable [Member] | 12 Months Ended | 
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| Dec. 31, 2021  $ / shares | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Expected volatility | 55.40% | 
| Expected term (years) | 1 year 14 days | 
| Risk-free interest rate | 0.38% | 
| Dividend yield | 0.00% | 
| Publicly traded price of CleanTech common stock (in Dollars per share) | $ 10 | 
| Estimated fair value of Nauticus common stock (in Dollars per share) | $ 35.52 | 
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- Definition Estimated fair value of Nauticus common stock (in Dollars). No definition available. 
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- Definition Publicly traded price of CleanTech common stock (in Dollars per share). No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Details 
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