SEGMENT INFORMATION - Schedule of Summarized Consolidated Financial Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information
Total revenues	$ 1,748	$ 1,718
Segment revenues
Segment Reporting Information
Total revenues	826	852
Gross fees
Segment Reporting Information
Total revenues	333	307
Base management fees
Segment Reporting Information
Total revenues	127	114
Incentive management fees
Segment Reporting Information
Total revenues	86	76
Franchise and other fees
Segment Reporting Information
Total revenues	120	117
Owned and leased
Segment Reporting Information
Total revenues	219	219
Rooms and packages
Segment Reporting Information
Total revenues	142	144
Food and beverage
Segment Reporting Information
Total revenues	48	46
Other
Segment Reporting Information
Total revenues	29	29
Distribution
Segment Reporting Information
Total revenues	274	315
Other revenues
Segment Reporting Information
Total revenues	0	11
Contra revenue
Segment Reporting Information
Total revenues	(23)	(20)
Revenues for reimbursed costs
Segment Reporting Information
Total revenues	945	886
Operating Segments
Segment Reporting Information
Total revenues	1,761	1,731
Operating Segments \| Management and franchising
Segment Reporting Information
Total revenues	1,264	1,193
Operating Segments \| Owned and leased
Segment Reporting Information
Total revenues	223	223
Operating Segments \| Distribution
Segment Reporting Information
Total revenues	274	315
Operating Segments \| Segment revenues
Segment Reporting Information
Total revenues	839	865
Operating Segments \| Segment revenues \| Management and franchising
Segment Reporting Information
Total revenues	342	327
Operating Segments \| Segment revenues \| Owned and leased
Segment Reporting Information
Total revenues	223	223
Operating Segments \| Segment revenues \| Distribution
Segment Reporting Information
Total revenues	274	315
Operating Segments \| Gross fees
Segment Reporting Information
Total revenues	342	316
Operating Segments \| Gross fees \| Management and franchising
Segment Reporting Information
Total revenues	342	316
Operating Segments \| Gross fees \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Gross fees \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Base management fees
Segment Reporting Information
Total revenues	133	120
Operating Segments \| Base management fees \| Management and franchising
Segment Reporting Information
Total revenues	133	120
Operating Segments \| Base management fees \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Base management fees \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Incentive management fees
Segment Reporting Information
Total revenues	87	77
Operating Segments \| Incentive management fees \| Management and franchising
Segment Reporting Information
Total revenues	87	77
Operating Segments \| Incentive management fees \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Incentive management fees \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Franchise and other fees
Segment Reporting Information
Total revenues	122	119
Operating Segments \| Franchise and other fees \| Management and franchising
Segment Reporting Information
Total revenues	122	119
Operating Segments \| Franchise and other fees \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Franchise and other fees \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Owned and leased
Segment Reporting Information
Total revenues	223	223
Operating Segments \| Owned and leased \| Management and franchising
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Owned and leased \| Owned and leased
Segment Reporting Information
Total revenues	223	223
Operating Segments \| Owned and leased \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Rooms and packages
Segment Reporting Information
Total revenues	146	148
Operating Segments \| Rooms and packages \| Management and franchising
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Rooms and packages \| Owned and leased
Segment Reporting Information
Total revenues	146	148
Operating Segments \| Rooms and packages \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Food and beverage
Segment Reporting Information
Total revenues	48	46
Operating Segments \| Food and beverage \| Management and franchising
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Food and beverage \| Owned and leased
Segment Reporting Information
Total revenues	48	46
Operating Segments \| Food and beverage \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Other
Segment Reporting Information
Total revenues	29	29
Operating Segments \| Other \| Management and franchising
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Other \| Owned and leased
Segment Reporting Information
Total revenues	29	29
Operating Segments \| Other \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Distribution
Segment Reporting Information
Total revenues	274	315
Operating Segments \| Distribution \| Management and franchising
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Distribution \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Distribution \| Distribution
Segment Reporting Information
Total revenues	274	315
Operating Segments \| Other revenues
Segment Reporting Information
Total revenues		11
Operating Segments \| Other revenues \| Management and franchising
Segment Reporting Information
Total revenues		11
Operating Segments \| Other revenues \| Owned and leased
Segment Reporting Information
Total revenues		0
Operating Segments \| Other revenues \| Distribution
Segment Reporting Information
Total revenues		0
Operating Segments \| Contra revenue
Segment Reporting Information
Total revenues	(23)	(20)
Operating Segments \| Contra revenue \| Management and franchising
Segment Reporting Information
Total revenues	(23)	(20)
Operating Segments \| Contra revenue \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Contra revenue \| Distribution
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Revenues for reimbursed costs
Segment Reporting Information
Total revenues	945	886
Operating Segments \| Revenues for reimbursed costs \| Management and franchising
Segment Reporting Information
Total revenues	945	886
Operating Segments \| Revenues for reimbursed costs \| Owned and leased
Segment Reporting Information
Total revenues	0	0
Operating Segments \| Revenues for reimbursed costs \| Distribution
Segment Reporting Information
Total revenues	0	0
Eliminations
Segment Reporting Information
Total revenues	(13)	(13)
Eliminations \| Management and franchising
Segment Reporting Information
Total revenues	(9)	(9)
Eliminations \| Owned and leased
Segment Reporting Information
Total revenues	(4)	(4)
Eliminations \| Distribution
Segment Reporting Information
Total revenues	0	0
Eliminations \| Segment revenues
Segment Reporting Information
Total revenues	(13)	(13)
Eliminations \| Gross fees
Segment Reporting Information
Total revenues	(9)	(9)
Eliminations \| Base management fees
Segment Reporting Information
Total revenues	(6)	(6)
Eliminations \| Incentive management fees
Segment Reporting Information
Total revenues	(1)	(1)
Eliminations \| Franchise and other fees
Segment Reporting Information
Total revenues	(2)	(2)
Eliminations \| Owned and leased
Segment Reporting Information
Total revenues	(4)	(4)
Eliminations \| Rooms and packages
Segment Reporting Information
Total revenues	(4)	(4)
Eliminations \| Food and beverage
Segment Reporting Information
Total revenues	0	0
Eliminations \| Other
Segment Reporting Information
Total revenues	0	0
Eliminations \| Distribution
Segment Reporting Information
Total revenues	0	0
Eliminations \| Other revenues
Segment Reporting Information
Total revenues		0
Eliminations \| Contra revenue
Segment Reporting Information
Total revenues	0	0
Eliminations \| Revenues for reimbursed costs
Segment Reporting Information
Total revenues	$ 0	$ 0

Hyatt Hotels Corp 10-Q