Business Segment Information - Reconciliation of Revenues from Consolidated Hotels to Condensed Combined Consolidated Amounts and Net Loss to Hotel Adjusted EBITDA (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		$ 2,541	$ 2,599	$ 2,698
Hotel Adjusted EBITDA		644	683	686
Depreciation and amortization		(336)	(257)	(287)
Corporate general and administrative expense		(72)	(69)	(65)
Impairment and casualty loss		(319)	(14)	(204)
Other operating expenses		(88)	(82)	(83)
Gain on sales of assets, net		2	8	15
Gain on derecognition of assets		58	60	221
Interest income		10	21	38
Interest expense		(209)	(214)	(207)
Interest expense associated with hotels in receivership		(58)	(60)	(45)
Equity in earnings from investments in affiliates		4	31	11
Income tax (benefit) expense		(7)	61	(38)
Other gain (loss), net		16	(4)	4
Other items		(14)	(24)	(25)
Net (loss) income		(277)	226	106
Operating Segments
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		2,449	2,513	2,613
Hilton La Jolla Torrey Pines
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Net gain on selling cost of hotel portfolio properties	$ 19
Rooms
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		1,505	1,569	1,653
Cost of goods and services sold		411	419	449
Food and beverage
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		685	688	696
Cost of goods and services sold		478	474	501
Ancillary hotel
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		259	256	264
Other departmental and support
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		596	605	635
Management fees
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		118	125	126
Other
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		92	86	85
Corporate Segment
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		1,805	1,830	1,927
Other property segment expense		202	210	217
Corporate Segment \| Rooms
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		411	419	449
Corporate Segment \| Food and beverage
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		478	474	501
Corporate Segment \| Other departmental and support
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		596	605	635
Corporate Segment \| Management fees
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		118	122	125
Core Hotels
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		1,420	1,406	1,350
Other property segment expense		152	152	142
Hotel Adjusted EBITDA		586	603	592
Core Hotels \| Operating Segments
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		2,006	2,009	1,942
Core Hotels \| Rooms
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		1,201	1,219	1,177
Cost of goods and services sold		318	318	302
Core Hotels \| Food and beverage
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		578	569	545
Cost of goods and services sold		398	386	379
Core Hotels \| Ancillary hotel
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		227	221	220
Core Hotels \| Other departmental and support
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		452	449	430
Core Hotels \| Management fees
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		100	101	97
Non-Core Hotels
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		385	424	577
Other property segment expense		50	58	75
Hotel Adjusted EBITDA		58	80	94
Non-Core Hotels \| Operating Segments
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		443	504	671
Non-Core Hotels \| Rooms
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		304	350	476
Cost of goods and services sold		93	101	147
Non-Core Hotels \| Food and beverage
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		107	119	151
Cost of goods and services sold		80	88	122
Non-Core Hotels \| Ancillary hotel
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		32	35	44
Non-Core Hotels \| Other departmental and support
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		144	156	205
Non-Core Hotels \| Management fees
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Cost of goods and services sold		$ 18	$ 21	$ 28

Park Hotels & Resorts Inc. 10-K