Cover
Jan. 14, 2022
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 14, 2022
Entity File Number 001-39668
Entity Registrant Name Archer Aviation Inc.
Entity Central Index Key 0001824502
Entity Tax Identification Number 83-2292321
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1880 Embarcadero Road
Entity Address, City or Town Palo Alto
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94303
City Area Code 650
Local Phone Number 272-3233
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share
Trading Symbol ACHR
Security Exchange Name NYSE
Warrant [Member]  
Document Information [Line Items]  
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price $11.50 per share
Trading Symbol ACHR WS
Security Exchange Name NYSE