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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Total pension assets for U.S. and non-U.S. plans (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
U.S. Pension Plans |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | $ 4,056 | $ 4,336
U.S. Pension Plans | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 203 | 473
U.S. Pension Plans | Equity Securities, US based companies |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 457 | 509
U.S. Pension Plans | Equity Securities, International based companies |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 208 | 285
U.S. Pension Plans | Government bonds |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 848 | 793
U.S. Pension Plans | Corporate bonds and debt securities |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 426 | 384
U.S. Pension Plans | Mutual, pooled and commingled funds |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 243 | 304
U.S. Pension Plans | Hedge funds/limited partnerships |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 1,038 | 915
U.S. Pension Plans | Real estate |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 367 | 417
U.S. Pension Plans | Derivative financial instruments |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 0 | 0
U.S. Pension Plans | Other |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 266 | 256
Non-U.S. Pension Plans |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 3,204 | 2,822
Non-U.S. Pension Plans | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 172 | 162
Non-U.S. Pension Plans | Equity Securities, US based companies |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 721 | 679
Non-U.S. Pension Plans | Equity Securities, International based companies |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 713 | 654
Non-U.S. Pension Plans | Government bonds |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 538 | 445
Non-U.S. Pension Plans | Corporate bonds and debt securities |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 153 | 115
Non-U.S. Pension Plans | Mutual, pooled and commingled funds |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 535 | 463
Non-U.S. Pension Plans | Hedge funds/limited partnerships |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 19 | 21
Non-U.S. Pension Plans | Real estate |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 9 | 7
Non-U.S. Pension Plans | Derivative financial instruments |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | 33 | (14)
Non-U.S. Pension Plans | Other |  |
Defined Benefit Plan Disclosure |  |
Defined Benefit Plan, Plan Assets | $ 311 | $ 290

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