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Annual report [Section 13 and 15(d), not S-K Item 405]

PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Fair Value of Plan Assets (Details)

v3.25.0.1
PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category $ 4,237 $ 4,282 $ 4,338
OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 742 739 728
Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 1,941 1,920 Ìý
Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 450 441 Ìý
SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 577 657 Ìý
SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 124 121 Ìý
Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 692 770 $ 912
Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 19 27 Ìý
Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 1,027 935 Ìý
Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 149 150 Ìý
U.S. equities | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 816 809 Ìý
U.S. equities | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 99 102 Ìý
U.S. equities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 816 809 Ìý
U.S. equities | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 99 102 Ìý
U.S. equities | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. equities | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. equities | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. equities | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. equities | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. equities | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Global equities | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 570 567 Ìý
Global equities | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 31 33 Ìý
Global equities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 501 502 Ìý
Global equities | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 3 3 Ìý
Global equities | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Global equities | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Global equities | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Global equities | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Global equities | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 69 65 Ìý
Global equities | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 28 30 Ìý
U.S. government securities | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 755 821 Ìý
U.S. government securities | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 224 193 Ìý
U.S. government securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 32 22 Ìý
U.S. government securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 130 119 Ìý
U.S. government securities | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 577 657 Ìý
U.S. government securities | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 50 27 Ìý
U.S. government securities | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. government securities | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. government securities | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 146 142 Ìý
U.S. government securities | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 44 47 Ìý
U.S. corporate bonds | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 698 681 Ìý
U.S. corporate bonds | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 342 357 Ìý
U.S. corporate bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 583 587 Ìý
U.S. corporate bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 216 214 Ìý
U.S. corporate bonds | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. corporate bonds | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 74 94 Ìý
U.S. corporate bonds | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. corporate bonds | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
U.S. corporate bonds | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 115 94 Ìý
U.S. corporate bonds | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 52 49 Ìý
Non U.S. and other bonds | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 194 160 Ìý
Non U.S. and other bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 9 0 Ìý
Non U.S. and other bonds | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Non U.S. and other bonds | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Non U.S. and other bonds | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 185 160 Ìý
Hedge funds | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 408 403 Ìý
Hedge funds | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 10 10 Ìý
Hedge funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Hedge funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Hedge funds | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Hedge funds | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Hedge funds | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 128 118 Ìý
Hedge funds | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 10 10 Ìý
Hedge funds | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 280 285 Ìý
Hedge funds | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Private equity | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 151 146 Ìý
Private equity | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Private equity | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Private equity | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 151 146 Ìý
Private equity | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 171 220 Ìý
Structured credit | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 4 7 Ìý
Structured credit | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 171 220 Ìý
Structured credit | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 4 7 Ìý
Structured credit | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Structured credit | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Debt Security, Corporate, Non-US | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 2 3 Ìý
Debt Security, Corporate, Non-US | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 2 3 Ìý
Debt Security, Corporate, Non-US | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Debt Security, Corporate, Non-US | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Debt Security, Corporate, Non-US | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Real estate | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 474 475 Ìý
Real estate | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 30 34 Ìý
Real estate | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Real estate | Quoted Prices in Active Markets for Identical Assets (Level 1) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Real estate | SignificantÌý Other Observable Inputs (Level 2) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Real estate | SignificantÌý Other Observable Inputs (Level 2) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 0 0 Ìý
Real estate | Significant Unobservable Inputs (Level 3) | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 242 286 Ìý
Real estate | Significant Unobservable Inputs (Level 3) | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 5 10 Ìý
Real estate | Investments Measured at Net Asset Value | Pension Benefits Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category 232 189 Ìý
Real estate | Investments Measured at Net Asset Value | OPEB Ìý Ìý Ìý
Defined Benefit Plan, Information about Plan Assets [Abstract] Ìý Ìý Ìý
Fair value of pension assets by asset category $ 25 $ 24 Ìý