Noncontrolling Interests, Stockholders' Equity (Deficit) and Accumulated Other Comprehensive Loss - Schedule of Stockholders' Equity (Deficit) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Apr. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Beginning balance, shares			253,488,288
Beginning balance, equity attributable to Hilton stockholders			$ (2,360)
Beginning balance, equity attributable to noncontrolling interest			(13)
Beginning balance, equity	$ (2,817)	$ (1,413)	(2,347)	$ (1,098)
Net income (loss)	(423)	(413)	(691)	(622)
Other comprehensive income (loss)	15	(20)	33	(2)
Repurchases of common stock	(731)	(475)	(1,398)	(924)
Increase (decrease) in stockholders’ equity from share-based compensation	$ 78	72	$ 64	56
Ending balance, shares	247,793,154		247,793,154
Ending balance, equity attributable to Hilton stockholders	$ (3,116)		$ (3,116)
Ending balance, equity attributable to noncontrolling interest	(17)		(17)
Ending balance, equity	(3,099)	(1,423)	(3,099)	(1,423)
Dividends	(37)	$ (40)	(76)	$ (81)
Redeemable Noncontrolling Interest, Equity, Carrying Amount	21		21			$ 0	$ 0
Redeemable Noncontrolling Interest, Equity, Fair Value					$ 22
Temporary Equity, Net Income	$ (1)		$ (1)
Common Stock
Class of Stock [Line Items]
Beginning balance, shares	251,000,000.0	265,400,000	253,500,000	267,900,000
Beginning balance, equity attributable to Hilton stockholders	$ 3	$ 3	$ 3	$ 3
Repurchases of common stock (shares)	(3,500,000)	(3,300,000)	(6,900,000)	(6,500,000)
Share-based compensation (shares)	300,000	200,000	1,200,000	900,000
Ending balance, shares	247,800,000	262,300,000	247,800,000	262,300,000
Ending balance, equity attributable to Hilton stockholders	$ 3	$ 3	$ 3	$ 3
Treasury Stock, Common
Class of Stock [Line Items]
Beginning balance, equity attributable to Hilton stockholders	(9,060)	(6,489)	(8,393)	(6,040)
Repurchases of common stock	(731)	(475)	(1,398)	(924)
Increase (decrease) in stockholders’ equity from share-based compensation	10	8	10	8
Ending balance, equity attributable to Hilton stockholders	(9,781)	(6,956)	(9,781)	(6,956)
Additional Paid-in Capital
Class of Stock [Line Items]
Beginning balance, equity attributable to Hilton stockholders	10,954	10,815	10,968	10,831
Increase (decrease) in stockholders’ equity from share-based compensation	68	64	54	48
Ending balance, equity attributable to Hilton stockholders	11,022	10,879	11,022	10,879
Accumulated Deficit
Class of Stock [Line Items]
Beginning balance, equity attributable to Hilton stockholders	(3,981)	(5,025)	(4,207)	(5,190)
Net income (loss)	421	411	686	617
Ending balance, equity attributable to Hilton stockholders	(3,597)	(4,654)	(3,597)	(4,654)
Dividends	(37)	(40)	(76)	(81)
Accumulated Other Comprehensive Loss
Class of Stock [Line Items]
Beginning balance, equity attributable to Hilton stockholders	(749)	(724)	(731)	(706)
Ending balance, equity attributable to Hilton stockholders	(763)	(703)	(763)	(703)
Other comprehensive income (loss) attributable to Hilton stockholders	(14)	21	(32)	3
Noncontrolling Interests
Class of Stock [Line Items]
Beginning balance, equity attributable to noncontrolling interest	16	7	13	4
Net income (loss)	2	2	5	5
Other comprehensive income (loss)	(1)	(1)	(1)	(1)
Ending balance, equity attributable to noncontrolling interest	$ 17	$ 8	$ 17	$ 8