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Changes in Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive loss consists of the following:
| Post-Employment Benefits, Net of Tax |  | Hedge Instruments, Net of Tax |  | Translation Adjustments and Other, Net of Tax |  | Total
| (in millions)
Balance, December 31, 2014 | $ | (692 | ) |  | $ | (26 | ) |  | $ | (575 | ) |  | $ | (1,293 | )
Other comprehensive income (loss) before reclassifications, net of tax | 14 |  |  | 1 |  |  | (109 | ) |  | (94 | )
Reclassifications from accumulated other comprehensive income (loss) to earnings(1) | 8 |  |  | — |  |  | (19 | ) |  | (11 | )
Other comprehensive income (loss), net of tax | 22 |  |  | 1 |  |  | (128 | ) |  | (105 | )
Balance, March 31, 2015 | $ | (670 | ) |  | $ | (25 | ) |  | $ | (703 | ) |  | $ | (1,398 | )
(1) See Note 11, "Pension, Other Post-employment Benefits and Employee Benefit Plans," and Note 6, "Financial Instruments," for additional information with respect to reclassifications from accumulated other comprehensive loss to earnings relating to post-employment benefits, net of tax and hedge instruments, net of tax, respectively. Such items do not represent reclassifications in their entirety. During the first quarter of 2015, our Energy segment reclassified from accumulated other comprehensive loss to earnings for the sale of certain available-for-sale securities as well as the impact of transferring balances in available-for-sale securities to trading securities. See Note 4, "Investments and Related Matters - Other Segments," for further discussion.

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