Annual report [Section 13 and 15(d), not S-K Item 405]

Segment Information (Schedule of Segment Profitability Measure and Significant Segment Expenses) (Details)

v3.25.4
Segment Information (Schedule of Segment Profitability Measure and Significant Segment Expenses) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Net revenues $ 1,429 $ 1,408 $ 1,397
Net income 193 289 289
Hotel Franchising Segment [Member]      
Segment Reporting Information [Line Items]      
Net revenues 1,429 1,408 1,397
Compensation (242) (255) (241)
Selling and advertising (88) (119) (136)
Outsourced services and information technology (129) (127) (120)
Professional fees (98) (90) (85)
Other items (382) (189) (209)
Net income 193 289 289
Corporate Segment      
Segment Reporting Information [Line Items]      
Other overhead costs $ 297 $ 339 $ 317