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Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2017
Equity [Abstract] |
Other Comprehensive Income (Loss) | Other Comprehensive Income (Loss) CSX reports comprehensive earnings or loss in accordance with the Comprehensive Income Topic in the ASC in the Consolidated Comprehensive Income Statement. Total comprehensive earnings are defined as 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 equal net earnings plus or minus adjustments for pension and other post-retirement liabilities. Total comprehensive earnings represent the activity for a period net of tax and were $467 million and $465 million for third quarters and $1.4 billion and $1.3 billion for nine months 2017 and 2016, respectively. While total comprehensive earnings is the activity in a period and is largely driven by net earnings in that period, accumulated other comprehensive income or loss (“AOCI”) represents the cumulative balance of other comprehensive income, net of tax, as of the balance sheet date. For CSX, AOCI is primarily the cumulative balance related to pension and other post-retirement benefit adjustments and CSX's share of AOCI of equity method investees. NOTE 10. Other Comprehensive Income (Loss), continued Changes in the AOCI balance by component are shown in the table below. Amounts reclassified in pension and other post-employment benefits to net earnings relate to the amortization of actuarial losses and are included in labor and fringe on the consolidated income statements. See Note 6, Employee Benefit Plans, 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 materials, supplies and other on the consolidated income statements.
| Pension and Other Post-Employment Benefits | Other | Accumulated Other Comprehensive Income (Loss)
(Dollars in millions) |  |  |
Balance December 30, 2016, Net of Tax | $ | (580 | ) | $ | (60 | ) | $ | (640 | )
Other Comprehensive Income (Loss) |  |  |
Income Before Reclassifications | 86 |  | 2 |  | 88 |
Amounts Reclassified to Net Earnings | 33 |  | 2 |  | 35 |
Tax Expense | (43 | ) | (1 | ) | (44 | )
Total Other Comprehensive Income | 76 |  | 3 |  | 79 |
Balance September 30, 2017, Net of Tax | $ | (504 | ) | $ | (57 | ) | $ | (561 | )

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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