| Cover Page Cover Page | Oct. 27, 2021 |
| Cover Page [Abstract] | |
| Entity Central Index Key | 0001585689 |
| Amendment Flag | false |
| Document Type | 8-K |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Entity Incorporation, State or Country Code | DE |
| Document Period End Date | Oct. 27, 2021 |
| Entity Registrant Name | Hilton Worldwide Holdings Inc. |
| Entity File Number | 001-36243 |
| Entity Tax Identification Number | 27-4384691 |
| Entity Address, Address Line One | 7930 Jones Branch Drive |
| Entity Address, Address Line Two | Suite 1100 |
| Entity Address, City or Town | McLean |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22102 |
| City Area Code | 703 |
| Local Phone Number | 883-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Trading Symbol | HLT |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
