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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 6 Months Ended
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Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of components of accumulated other comprehensive loss |
Components of accumulated other comprehensive loss
(in millions) | Pension and Other Benefit Liabilities | Other | Tax Effect | Total
Balance at January 1, 2023 | $ | (6,624) |  | $ | 41 |  | $ | 782 |  | $ | (5,801) |
Changes in value | — |  | (3) |  | 1 |  | (2) |
Reclassifications into earnings(1) | 122 |  | — |  | (28) |  | 94 |
Balance at June 30, 2023 | $ | (6,502) |  | $ | 38 |  | $ | 755 |  | $ | (5,709) |
Balance at January 1, 2022 | $ | (8,355) |  | $ | 41 |  | $ | 1,184 |  | $ | (7,130) |
Reclassifications into earnings(1) | 159 |  | — |  | (37) |  | 122 |
Balance at June 30, 2022 | $ | (8,196) |  | $ | 41 |  | $ | 1,147 |  | $ | (7,008) |
(1)Amounts reclassified from accumulated other comprehensive loss for pension and other benefit liabilities are recorded in pension and related (expense)/benefit in non-operating expense in our income statement.

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