0001820872 2026-07-24 2026-07-24 false 0001820872 8-K 2026-07-24 Global Business Travel Group, Inc. DE 001-39576 98-0598290 666 3rd Avenue 4th Floor New York NY 10017 646 344-1290 false true false false Class A common stock, par value of $0.0001 per share GBTG NYSE false