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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Accumulated other comprehensive loss | $ (239) | $ (299) | $ (388) | $ (262)
AOCI Tax, Attributable to Parent | 78 | 97 | 122 | 83
Reclassification from AOCI, Current Period, Tax | (6) | (7) | (4) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 18 | 25 | 8 |
Other Comprehensive Income (Loss), Tax | (13) | (18) | 43 |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 42 | 64 | (134) |
Marketable Securities |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
AOCI before Tax, Attributable to Parent | (21) | (46) | (104) | (5)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent | 7 | 13 | 9 |
Other Comprehensive Income (Loss), before Reclassifications, before Tax | 18 | 45 | (108) |
Employee Benefit Plan |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
AOCI before Tax, Attributable to Parent | (305) | (358) | (421) | (332)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent | 17 | 19 | 3 |
Other Comprehensive Income (Loss), before Reclassifications, before Tax | 36 | 44 | (92) |
Interest Rate Derivatives |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
AOCI before Tax, Attributable to Parent | 9 | 8 | 15 | $ (8)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent | 0 | 0 | 0 |
Other Comprehensive Income (Loss), before Reclassifications, before Tax | $ 1 | $ (7) | $ 23 |

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