Cover |
Sep. 15, 2025 |
|---|---|
| Document Information [Line Items] | |
| Document Type | S-1/A |
| Entity Registrant Name | American Exceptionalism Acquisition Corp. A |
| Entity Incorporation, State or Country Code | E9 |
| Entity Tax Identification Number | 98-1871331 |
| Entity Address, Address Line One | 506 Santa Cruz Ave |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | Menlo Park |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94025 |
| City Area Code | 650 |
| Local Phone Number | 521-9007 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Small Business | true |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0002079173 |
| Amendment Flag | true |
| Entity Primary SIC Number | 6770 |
| Amendment Description | The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until this registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine. |
| Business Contact [Member] | |
| Document Information [Line Items] | |
| Contact Personnel Name | Chamath Palihapitiya |
| Entity Address, Address Line One | 506 Santa Cruz Ave |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | Menlo Park |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94025 |
| City Area Code | 650 |
| Local Phone Number | 521-9007 |