PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Fair Value of Plan Assets by Category (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 |
Significant unobservable inputs (Level 3) | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | $ 6 | $ 16 |
Fair Value, Measurements, Recurring | Pension Benefits | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 1,773 | 2,009 |
Fair Value, Measurements, Recurring | Pension Benefits | Cash and cash equivalents | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 146 | 178 |
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, U.S. securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 57 | 75 |
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, International securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 43 | 39 |
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, U.S. companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 909 | 1,094 |
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, international companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 105 | 154 |
Fair Value, Measurements, Recurring | Pension Benefits | Equity securities, International companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 4 | 8 |
Fair Value, Measurements, Recurring | Pension Benefits | Mutual funds | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 100 | 71 |
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, U.S. equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 234 | 227 |
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 128 | 119 |
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, U.S. private equity investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 6 | 15 |
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, Emerging growth | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 2 |
Fair Value, Measurements, Recurring | Pension Benefits | All other investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 41 | 27 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 4 | 8 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Cash and cash equivalents | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, U.S. securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, International securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, U.S. companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, international companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Equity securities, International companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 4 | 8 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Mutual funds | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, U.S. equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, U.S. private equity investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, Emerging growth | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | All other investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 1,401 | 1,638 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Cash and cash equivalents | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 146 | 178 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, U.S. securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 57 | 75 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, International securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 43 | 39 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, U.S. companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 909 | 1,094 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, international companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 105 | 154 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Equity securities, International companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Mutual funds | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 100 | 71 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, U.S. equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, U.S. private equity investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, Emerging growth | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | All other investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 41 | 27 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 6 | 17 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Cash and cash equivalents | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, U.S. securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, International securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, U.S. companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, international companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Equity securities, International companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Mutual funds | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, U.S. equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, U.S. private equity investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 6 | 15 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, Emerging growth | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 2 |
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | All other investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 362 | 346 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Cash and cash equivalents | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, U.S. securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, International securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, U.S. companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, international companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Equity securities, International companies | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Mutual funds | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, U.S. equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 234 | 227 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International equity securities | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 128 | 119 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, U.S. private equity investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, Emerging growth | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | 0 | 0 |
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | All other investments | | |
Defined Benefit Plan Disclosure [Line Items] | | |
Fair value of plan assets | $ 0 | $ 0 |