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Changes in Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2013
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 at December 31, 2012 | $ | (639 | ) |  | $ | (34 | ) |  | $ | (309 | ) |  | $ | (982 | )
Other comprehensive income (loss) before reclassifications, net of tax | 12 |  |  | (7 | ) |  | (78 | ) |  | (73 | )
Reclassifications from accumulated other comprehensive loss to earnings(1) | (6 | ) |  | 10 |  |  | (2 | ) |  | 2 |
Other comprehensive income (loss), net of tax | 6 |  |  | 3 |  |  | (80 | ) |  | (71 | )
Balance at June 30, 2013 | $ | (633 | ) |  | $ | (31 | ) |  | $ | (389 | ) |  | $ | (1,053 | )
(1) Refer to 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.

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