v3.25.0.1
TAXES - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 02, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Contingency          
Payment to acquire investment tax credit   $ 69      
Benefit as reduction to income tax expense   4      
Deferred tax asset period increase related to loyalty program assets   50      
Deferred tax assets, operating loss carryforwards   144      
Federal and state net operating losses and credit carryforwards   4      
Operating loss carryforwards, valuation allowance   90      
Undistributed earnings of foreign subsidiaries   645      
Unrecognized tax benefits   366 $ 301 $ 253 $ 205
Amount of unrecognized tax benefits that would impact effective tax rate if recognized   137 120 102  
Significant change in unrecognized tax benefits is reasonably possible   5      
Unrecognized tax benefits, increase resulting from current period tax positions   67 54 38  
Total increases (decreases)—prior-period tax positions   11   22  
Unrecognized tax benefit, increase resulting from foreign tax positions and an accrual for the treatment of loyalty program     48    
Unrecognized tax benefits, increase resulting from foreign tax positions as a result of acquisition and treatment of loyalty program       48  
Unrecognized tax benefits, income tax penalties and interest accrued   103 133 111  
Income tax examination, penalties and interest expense (benefit)   42 $ 23 21  
Estimated income tax liability based on taxing authority's assessment   19      
Mexican Tax Authority          
Income Tax Contingency          
Unrecognized tax benefits   13      
Estimated income tax liability based on taxing authority's assessment   12      
Tax liability recorded in other long-term liabilities   18      
Foreign Tax Jurisdiction          
Income Tax Contingency          
Deferred tax assets, operating loss carryforwards, not subject to expiration   104      
Expiration Period 2025 To 2044          
Income Tax Contingency          
Deferred tax assets, operating loss carryforwards expiring   44      
Tax Year 2009 Through 2011          
Income Tax Contingency          
Taxable income that must be recognized $ 12        
Estimated tax liability 2        
Preceding Tax Year 2009          
Income Tax Contingency          
Taxable income that doesn't need to be recognized 228        
Tax Year 2012 Through 2023          
Income Tax Contingency          
Estimated income tax liability based on taxing authority's assessment 280        
Estimated interest, net of federal benefit $ 46        
Bahia Principe          
Income Tax Contingency          
Decrease in intangibles   108      
Total increases (decreases)—prior-period tax positions   38      
UVC Transaction          
Income Tax Contingency          
Total increases (decreases)—prior-period tax positions   32      
Certain Foreign Tax Assets          
Income Tax Contingency          
Reduction in valuation allowance   62      
UVC Transaction          
Income Tax Contingency          
Reduction in valuation allowance   $ 84      
Employee Retention Credit, CARES Act          
Income Tax Contingency          
Reduction in valuation allowance       $ 250