PENSION AND OTHER POSTRETIREMENT BENEFITS - Accumulated Other Comprehensive (Income) Loss Associated With Other Postretirement Benefit Plans (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Pension ongoing income—non-service \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service (credit) cost	$ 0	$ (7)
Net actuarial (gain) loss	729	1,191
Net amount recognized	729	1,184
Pension ongoing income—non-service \| Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service (credit) cost	34	18
Net actuarial (gain) loss	315	422
Net amount recognized	349	440
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service (credit) cost	(18)	(30)
Net actuarial (gain) loss	(64)	(68)
Net amount recognized	$ (82)	$ (98)

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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