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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 9 Months Ended
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Sep. 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 | — |  | (1) |  | — |  | (1) |
Reclassifications into earnings(1) | 185 |  | — |  | (43) |  | 142 |
Balance at September 30, 2023 | $ | (6,439) |  | $ | 40 |  | $ | 739 |  | $ | (5,660) |
Balance at January 1, 2022 | $ | (8,355) |  | $ | 41 |  | $ | 1,184 |  | $ | (7,130) |
Reclassifications into earnings(1) | 240 |  | — |  | (56) |  | 184 |
Balance at September 30, 2022 | $ | (8,115) |  | $ | 41 |  | $ | 1,128 |  | $ | (6,946) |
(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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