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Cover Page
 12 Months Ended
Dec. 31, 2023
Entity Addresses [Line Items]  
Document Type POS AM
Amendment Flag true
Entity Registrant Name Scilex Holding Company
Entity Filer Category Non-accelerated Filer
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 960 San Antonio Road
Entity Address, City or Town Palo Alto
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94303
Entity Tax Identification Number 92-1062542
Entity Small Business false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Primary SIC Number 2836
Entity Central Index Key 0001820190
City Area Code 650
Local Phone Number 516-4310
Amendment Description Post-Effective Amendment No. 1
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 960 San Antonio 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 516-4310
Contact Personnel Name Jaisim Shah