FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Derivative [Line Items]
Debt securities, available-for-sale, term	5 years	5 years
Cumulative upward adjustments	$ 365
Cumulative impairment amount	238
Pre-tax gains	14
Designated as cash flow hedges \| Cross-currency swap contracts \| Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount	584
Designated as cash flow hedges \| Cross-currency swap contracts \| Net Investment Hedging
Derivative [Line Items]
Derivative, notional amount	707
Designated as cash flow hedges \| Euro Member Countries, Euro \| Foreign currency exchange contracts
Derivative [Line Items]
Derivative, notional amount	4,100
Designated as cash flow hedges \| Euro Member Countries, Euro \| Cross-currency swap contracts \| Net Investment Hedging
Derivative [Line Items]
Derivative, notional amount	345
Designated as cash flow hedges \| Japan, Yen \| Foreign currency exchange contracts
Derivative [Line Items]
Derivative, notional amount	1,000
Designated as cash flow hedges \| Japan, Yen \| Cross-currency swap contracts \| Net Investment Hedging
Derivative [Line Items]
Derivative, notional amount	$ 362

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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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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Nominal or face amount used to calculate payment on derivative.

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Amount of cumulative loss from downward price adjustment on investment in equity security without readily determinable fair value.

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Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

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