Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of cost for defined contribution plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Defined Benefit Plan, Age Requirement

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Defined Benefit Plan, Amortization Of Prior Service Cost (Credit), Period

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Defined Benefit Plan, Service Requirement

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items]
Defined contribution plan, employer matching contribution, percent of match		7.00%
Defined contribution plan, cost		$ 79	$ 80	$ 87
Amortization of actuarial losses (in years)		17 years
Amortization of prior service credit (in years)		8 years
United States Pension Benefits \| Postretirement Health Coverage
Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items]
Service requirement (in years)		10 years
Plan, age requirement (in years)		55 years
United States Pension Benefits \| Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items]
Defined contribution plan, cost		$ 0	0
Transfer of benefits	$ 71	$ 0	$ 71
United States Pension Benefits \| Pension Benefits \| Equity Securities
Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items]
Target plan asset allocations (as percent)		26.00%
United States Pension Benefits \| Pension Benefits \| Fixed Income Funds
Defined Benefit Plans and Other Postretirement Benefit Plan [Line Items]
Target plan asset allocations (as percent)		74.00%