v3.25.4

INCOME TAXES - Reconciliation of U.S. Statutory Tax Rate to Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
U.S. statutory tax rate	21.00%	21.00%	21.00%
U.S. state income taxes, net of U.S. federal tax benefit	2.80%	2.40%	2.80%
Other Non-U.S. jurisdictions	3.10%	1.60%	0.30%
Changes in valuation allowance	(1.60%)	(0.90%)	(5.80%)
Changes in unrecognized tax benefits	(3.80%)	0.40%	(2.30%)
Excess tax benefits related to equity awards		(1.00%)	(0.80%)
U.S. tax on foreign earnings		1.00%	1.10%
Intellectual property restructuring		0.00%	(7.90%)
Other	(0.70%)	0.10%	0.30%
Effective rate	23.40%	24.60%	8.70%

Effective Income Tax Rate Reconciliation, Intellectual Property Restructuring, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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MARRIOTT INTERNATIONAL INC /MD/ 10-K