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EMPLOYEE BENEFIT PLANS (Schedule of Fair Value of Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | $ 18,716 | $ 25,172 |
Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Assets measured at NAV | 8 | 27 | $ 12
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 16,369 | 22,054 |
Assets measured at NAV | 16,369 | 21,895 | 20,759
Pension Plan | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 587 | 807 |
Pension Plan | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1,430 | 2,498 |
Pension Plan | Absolute Return |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 1 |
Pension Plan | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 426 | 632 |
Pension Plan | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 8,040 | 10,144 |
Pension Plan | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 4,263 | 5,987 |
Pension Plan | Level 1 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 461 | 552 |
Pension Plan | Level 1 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1,430 | 2,074 |
Pension Plan | Level 1 | Absolute Return |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 1 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 426 | 632 |
Pension Plan | Level 1 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1,946 | 2,729 |
Pension Plan | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 6,212 | 8,068 |
Pension Plan | Level 2 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 126 | 255 |
Pension Plan | Level 2 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 424 |
Pension Plan | Level 2 | Absolute Return |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 1 |
Pension Plan | Level 2 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 2 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 6,086 | 7,388 |
Pension Plan | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 8 | 27 |
Pension Plan | Level 3 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 3 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 3 | Absolute Return |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 3 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
Pension Plan | Level 3 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 8 | 27 |
Pension Plan | Fair Value Measured at Net Asset Value Per Share |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Assets measured at NAV | 5,886 | 7,972 |
PBOP Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 2,347 | 3,118 |
Assets measured at NAV | 2,336 | 3,102 | $ 2,995
PBOP Plans | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 26 | 31 |
PBOP Plans | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 83 | 105 |
PBOP Plans | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 29 | 34 |
PBOP Plans | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1,109 | 1,652 |
PBOP Plans | Level 1 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 544 | 946 |
PBOP Plans | Level 1 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 26 | 31 |
PBOP Plans | Level 1 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 83 | 105 |
PBOP Plans | Level 1 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 29 | 34 |
PBOP Plans | Level 1 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 406 | 776 |
PBOP Plans | Level 2 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 702 | 875 |
PBOP Plans | Level 2 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 2 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 2 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 2 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 702 | 875 |
PBOP Plans | Level 3 |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1 | 1 |
PBOP Plans | Level 3 | Short-term investments |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 3 | Global equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 3 | Real assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 0 | 0 |
PBOP Plans | Level 3 | Fixed-income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total plan assets at fair value | 1 | 1 |
PBOP Plans | Fair Value Measured at Net Asset Value Per Share |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Assets measured at NAV | $ 1,100 | $ 1,296 |

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