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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - FAIR VALUE OF PENSION PLAN ASSETS (Details) - Pension Benefits - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Defined Benefit Plan Disclosure |  |
Fair value of plan assets, net of net payables | $ 732,000,000 | $ 642,000,000
Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets |  | 8,000,000
Government securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 42,000,000 | 29,000,000
Corporate bonds |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 19,000,000 | 16,000,000
Equity securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 33,000,000 | 34,000,000
Other |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 47,000,000 | 46,000,000
Net payables |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 1,000,000
Fair Value, Inputs, Level 1, 2 and 3 |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 141,000,000 | 133,000,000
Level 1 |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 75,000,000 | 71,000,000
Fair value of plan assets, net of net payables | 75,000,000 | 71,000,000
Level 1 | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets |  | 8,000,000
Level 1 | Government securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 42,000,000 | 29,000,000
Level 1 | Corporate bonds |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 1 | Equity securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 33,000,000 | 34,000,000
Level 1 | Other |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 2 |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 66,000,000 | 62,000,000
Fair value of plan assets, net of net payables | 66,000,000 | 62,000,000
Level 2 | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets |  | 0
Level 2 | Government securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 2 | Corporate bonds |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 19,000,000 | 16,000,000
Level 2 | Equity securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 2 | Other |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 47,000,000 | 46,000,000
Level 3 |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Fair value of plan assets, net of net payables | 0 | 0
Level 3 | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets |  | 0
Level 3 | Government securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 3 | Corporate bonds |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 3 | Equity securities |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Level 3 | Other |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | 0 | 0
Investments measured at net asset value |  |
Defined Benefit Plan Disclosure |  |
Fair value of plan assets | $ 591,000,000 | $ 509,000,000

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