0001809104 2026-06-29 2026-06-29 0001809104 dei:FormerAddressMember 2026-06-29 2026-06-29 0001809104 false --12-31 Alight, Inc. / Delaware 8-K 2026-06-29 DE 001-39299 86-1849232 510 Lake Cook Road, Suite 400 Deerfield IL 60015 (224) 737-7000 320 South Canal Street 50th Floor Suite 5000 Chicago IL 60606 false false false false Class A Common Stock, par value $0.0001 per share ALIT NYSE false