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Other Comprehensive Income (Loss)
6 Months Ended
Jun. 30, 2025
Equity [Abstract]  
Other Comprehensive Income (Loss) Other Comprehensive Income (Loss)
Total comprehensive earnings represents all changes in shareholders' equity during a period, other than those resulting from investments by and distributions to shareholders (e.g. issuance of equity securities and dividends). Generally, for CSX, total comprehensive earnings equals net earnings plus or minus adjustments for pension and other post-retirement liabilities, derivative activity and other items. Total comprehensive earnings is presented net of tax and was $832 million and $966 million for second quarters 2025 and 2024, respectively, and $1.5 billion and $1.9 billion for the six months ended June 30, 2025 and 2024, respectively.

AOCI represents the cumulative balance of other comprehensive income, net of tax, as of the balance sheet date. Changes in the AOCI balance by component are shown in the following table. Amounts reclassified in pension and other post-employment benefits to net earnings relate to the amortization of actuarial losses and are included in other income - net on the consolidated income statements. See Note 6, Employee Benefit Plans, for further information. Interest rate derivatives consist of forward starting interest rate swaps classified as cash flow hedges. See Note 7, Debt and Credit Agreements, for further information. Other primarily represents CSX's share of AOCI of equity method investees. Amounts reclassified in other to net earnings are included in purchased services and other or equipment and other rents on the consolidated income statements.

Pension and Other Post-Employment BenefitsInterest Rate DerivativesOtherAccumulated Other Comprehensive (Loss) Income
(Dollars in Millions)
Balance December 31, 2024, Net of Tax
$(349)$153 $(36)$(232)
Other Comprehensive Income (Loss)
Amounts Reclassified to Net Earnings— 11 
Tax Expense(2)— (1)(3)
Total Other Comprehensive Income — 
Balance June 30, 2025, Net of Tax
$(343)$153 $(34)$(224)