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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2011
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] |
Components of accumulated other comprehensive income (loss) |
|  | Defined Benefit Plans |  |  | Currency Translation Adjustments |  |  | Derivative Financial Instruments |  |  | Total |
Balance at December 31, 2008 |  | $ | (40 | ) |  | $ | 20 |  |  | $ | (141 | ) |  | $ | (161 | )
Current period activity |  |  | (14 | ) |  |  | 150 |  |  |  | 223 |  |  |  | 359 |
Tax effect |  |  | 5 |  |  |  | (50 | ) |  |  | (63 | ) |  |  | (108 | )
Balance at December 31, 2009 |  | $ | (49 | ) |  | $ | 120 |  |  | $ | 19 |  |  | $ | 90 |
Current period activity |  |  | 1 |  |  |  | 19 |  |  |  | (17 | ) |  |  | 3 |
Tax effect |  |  | — |  |  |  | (6 | ) |  |  | 4 |  |  |  | (2 | )
Balance at December 31, 2010 |  | $ | (48 | ) |  | $ | 133 |  |  | $ | 6 |  |  | $ | 91 |
Current period activity |  |  | 19 |  |  |  | (86 | ) |  |  | (88 | ) |  |  | (155 | )
Tax effect |  |  | (5 | ) |  |  | 21 |  |  |  | 25 |  |  |  | 41 |
Balance at December 31, 2011 |  | $ | (34 | ) |  | $ | 68 |  |  | $ | (57 | ) |  | $ | (23 | )

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