| Cover Page | Oct. 30, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Document Period End Date | Oct. 30, 2019 |
| Entity Registrant Name | HYATT HOTELS CORP |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-34521 |
| Entity Tax Identification Number | 20-1480589 |
| Entity Address, Address Line One | 150 North Riverside Plaza |
| Entity Address, Address Line Two | 8th Floor |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60606 |
| City Area Code | 312 |
| Local Phone Number | 750-1234 |
| Title of 12(b) Security | Class A common stock |
| Trading Symbol | H |
| Security Exchange Name | NYSE |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001468174 |
| Amendment Flag | false |
