EMPLOYEE BENEFIT PLANS - Changes in Pension Plan Level 3 Assets (Details) - Pension Plans - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Summary of changes in fair value of the pension plans' level 3 assets
Fair value of plan assets at January 1	$ 1,642	$ 1,600
Return on plan assets:
Fair value of plan assets at December 31	1,481	1,642
Level 3
Summary of changes in fair value of the pension plans' level 3 assets
Fair value of plan assets at January 1	437	115
Return on plan assets:
Relating to assets still held at the reporting date	(47)	(3)
Purchases, sales, settlements and expenses	(35)	325
Fair value of plan assets at December 31	$ 355	$ 437

No definition available.

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

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