v3.25.4

PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2026	Dec. 31, 2025 USD ($) defined_benefit_plan	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Future benefit payments period		10 years
B+L and BHC
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contributions recognized		$ 38	$ 36	$ 34
Pension Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit accrual, interest percentage earned on cash balance		4.50%
Pension Benefit Plans | Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated company contributions in next fiscal year		$ 2
Percentage of expected return on plan assets		4.38%	4.37%	4.10%
Pension Benefit Plans | Ireland
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of defined benefit plans | defined_benefit_plan		2
Number of defined benefit plans amended | defined_benefit_plan		1
Percentage allocation of fund		89.00%	90.00%
Pension Benefit Plans | Ireland | Scenario, Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of expected return on plan assets	4.50%
Pension Benefit Plans | U.S. Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated company contributions in next fiscal year		$ 3
Percentage of expected return on plan assets		5.50%	6.00%	6.00%
Pension Benefit Plans | U.S. Plan | Scenario, Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of expected return on plan assets	5.50%
U.S. Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contribution maximum age		65 years
U.S. Postretirement Benefit Plan | U.S. Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated company contributions in next fiscal year		$ 3
Percentage of expected return on plan assets		0.00%	0.00%	0.00%

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- Definition

Defined Benefit Plan, Benefit Accrual, Interest Percentage Earned On Cash Balance

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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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