{"cik":1048286,"taxonomy":"us-gaap","tag":"PaymentsToAcquireProductiveAssets","label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","entityName":"MARRIOTT INTERNATIONAL INC /MD/","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":452000000,"accn":"0001048286-26-000007","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-10","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":750000000,"accn":"0001048286-26-000007","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-10","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":604000000,"accn":"0001048286-26-000007","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-10","frame":"CY2025"}]}}