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BUSINESS DESCRIPTION	12 Months Ended
BUSINESS DESCRIPTION	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BUSINESS DESCRIPTION	BUSINESS DESCRIPTION Booking Holdings Inc. ("Booking Holdings" or the "Company") seeks to make it easier for everyone to experience the world by providing consumers, travel service providers, and restaurants with leading travel and restaurant online reservation and related services. The Company offers its services through six primary consumer-facing brands: Booking.com, Priceline, agoda, Rentalcars.com, KAYAK, and OpenTable, which allow consumers to: book a broad array of accommodations (including hotels, motels, resorts, homes, apartments, bed and breakfasts, hostels, and other alternative and traditional accommodations properties) and a flight to their destinations; make a car rental reservation or arrange for an airport taxi; make a dinner reservation; or book a vacation package, tour, activity, or cruise. Consumers can also use the Company's meta-search services to easily compare travel reservation information, such as flight, hotel, and rental car reservations from hundreds of online travel platforms at once. In addition, the Company offers other services to consumers, travel service providers and restaurants, such as travel-related insurance products and restaurant management services.