| Document and Entity Information | Apr. 06, 2022 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001844817 |
| Document Type | 8-K/A |
| Document Period End Date | Apr. 6, 2022 |
| Entity Registrant Name | Armada Acquisition Corp. I |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40742 |
| Entity Tax Identification Number | 85-3810850 |
| Entity Address, Address Line One | 2005 Market Street |
| Entity Address, Address Line Two | Suite 3120 |
| Entity Address, City or Town | Philadelphia |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19103 |
| City Area Code | (215) |
| Local Phone Number | 543-6886 |
| Written Communications | true |
| Soliciting Material | true |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Description | This Amendment No. 1 (this “Amendment”) to the Current Report on Form 8-K originally filed by Armada Acquisition Corp. I, a Delaware corporation (“Armada”) on April 6, 2022 (the “Original Report”), is being filed solely for the purpose of amending the transcript of the Shareholder Video furnished as Exhibit 99.2 to the Original Report under Item 7.01. This Amendment does not amend, update or change any other disclosures in the Original Report. In addition, the information contained in this Amendment does not reflect events occurring after the Original Report and does not modify or update the disclosures therein. |
| Units Each Consisting Of One Share Of Common Stock And Onehalf Of One Redeemable Warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Units, each consisting of one share of common stock, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | AACI.U |
| Security Exchange Name | NASDAQ |
| Common Stock Par Value 0.0001 Per Share [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock, par value $0.0001 per share |
| Trading Symbol | AACI |
| Security Exchange Name | NASDAQ |
| Warrants Each Exercisable For One Share Of Common Stock For 11.50 Per Share [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Warrants, each exercisable for one share of common stock for $11.50 per share |
| Trading Symbol | AACI W |
| Security Exchange Name | NASDAQ |
