0001820872 2026-06-08 2026-06-08 false 0001820872 8-K 2026-06-08 Global Business Travel Group, Inc. DE 001-39576 98-0598290 666 3rd Avenue New York NY 10017 646 344-1290 false false false false Class A common stock, par value of $0.0001 per share GBTG NYSE false