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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
12 Months Ended
Dec. 31, 2024
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 Benefits Liabilities(2)
OtherTax EffectTotal
Balance at January 1, 2022$(8,355)$41 $1,184 $(7,130)
Changes in value1,419 — (330)1,089 
Reclassifications into earnings(1)
312 — (72)240 
Balance at December 31, 2022
(6,624)41 782 (5,801)
Changes in value(303)(1)71 (233)
Reclassifications into earnings(1)
246 — (57)189 
Balance at December 31, 2023
(6,681)40 796 (5,845)
Changes in value859 (199)662 
Reclassifications into earnings(1)
265 — (61)204 
Balance at December 31, 2024
$(5,557)$42 $536 $(4,979)
(1)Amounts reclassified from AOCI for pension and other benefits liabilities are recorded in miscellaneous, net in non-operating expense in our income statement.
(2)Includes approximately $750 million of deferred income tax expense as a result of tax law changes and prior valuation allowance releases through continuing operations, that will not be recognized in net income until pension and other benefit obligations are fully extinguished.