Supplemental Financial Statement Information - Schedule of Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Accrued expenses, accounts payable, and other current liabilities: | ||
| Lodging taxes and indirect tax obligations | $ 1,357 | $ 1,132 |
| Compensation and employee benefits | 495 | 593 |
| Accounts payable | $ 144 | $ 232 |
| Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued expenses, accounts payable, and other current liabilities | Accrued expenses, accounts payable, and other current liabilities |
| Operating lease liabilities, current | $ 20 | $ 68 |
| Other | 1,021 | 923 |
| Accrued expenses, accounts payable, and other current liabilities | $ 3,037 | $ 2,948 |
| X | ||||||||||
- Definition Indirect Taxes Payable, Current No definition available.
|
| X | ||||||||||
- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes current operating lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|