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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Changes in AOCI balance by Component | 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 equity earnings of affiliates on the consolidated income statements.
| Pension and Other Post-Employment Benefits | Other | Accumulated Other Comprehensive Income (Loss)
(Dollars in millions) |  |  |
Balance December 31, 2017, Net of Tax | $ | (440 | ) | $ | (46 | ) | $ | (486 | )
Other Comprehensive Income (Loss) |  |  |
Income Before Reclassifications | — |  | 1 |  | 1 |
Amounts Reclassified to Net Earnings | 10 |  | (2 | ) | 8 |
Tax (Expense) Benefit | (2 | ) | 1 |  | (1 | )
Reclassification of Stranded Tax Effects | (108 | ) | 1 |  | (107 | )
Total Other Comprehensive Income | (100 | ) | 1 |  | (99 | )
Balance March 31, 2018, Net of Tax | $ | (540 | ) | $ | (45 | ) | $ | (585 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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