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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jan. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Derivative [Line Items] |  |  |  |
Debt securities, available-for-sale, term |  | 5 years |  | 5 years
Cumulative upward adjustments |  | $ 218 |  |
Cumulative impairment amount |  | 140 |  |
Pre-tax gains |  | 45 |  |
Recognized in Other comprehensive income/(loss) |  | (191) | $ 254 |
Cross-currency swap contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Recognized in Other comprehensive income/(loss) |  | 24 | $ (16) |
Forward interest rate contracts | Cash Flow Hedging |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount | $ 5,000 |  |  |
Recognized in Other comprehensive income/(loss) | $ 131 |  |  |
Designated as cash flow hedges | Cross-currency swap contracts | Cash Flow Hedging |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount |  | 1,200 |  |
Designated as cash flow hedges | Cross-currency swap contracts |  |  |  |
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 |  | 4,800 |  |
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 |  | 1,100 |  |
Designated as cash flow hedges | Japan, Yen | Cross-currency swap contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, notional amount |  | $ 362 |  |

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- Definition Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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