Income Taxes	3 Months Ended
Mar. 31, 2013
Income Tax Disclosure [Abstract]
Income Taxes	11. Income Taxes The effective tax rates for the three months ended March 31, 2013 and 2012 were 42% and 22% respectively. The tax rate for the three months ended March 31, 2013 was higher than statutory rate as a result of the tax impact of the Venezuela currency revaluation and accrual for future audit settlements offset by the favorable impact of certain financing activities and release of tax contingencies. The tax rate for the three months ended March 31, 2012 was lower than the statutory rate primarily due to the favorable impact of certain financing activities. Liabilities for unrecognized tax benefits totaled $99 million and $100 million as of March 31, 2013 and December 31, 2012. If the Company’s tax positions are favorably sustained by the taxing authorities, the reversal of the underlying liabilities would reduce the Company’s effective tax rate in future periods. The Company files numerous consolidated and separate income tax returns in the U.S. and in many state and foreign jurisdictions. With few exceptions the Company is no longer subject to U.S. Federal income tax examination for 2006 and prior periods. In addition, the Company has subsidiaries in various states, provinces and countries that are currently under audit for years ranging from 2001 through 2011. The Company is under Canadian audit for the years 2007 and 2008. It is anticipated that these examinations will be completed within the next twelve months. To date, the Company is not aware of any material adjustments not already accrued related to any of the current Federal, state or foreign audits under examination.

Income Taxes

3 Months Ended

Mar. 31, 2013

11. Income Taxes

The effective tax rates for the three months ended March 31, 2013 and 2012 were 42% and 22% respectively. The tax rate for the three months ended March 31, 2013 was higher than statutory rate as a result of the tax impact of the Venezuela currency revaluation and accrual for future audit settlements offset by the favorable impact of certain financing activities and release of tax contingencies. The tax rate for the three months ended March 31, 2012 was lower than the statutory rate primarily due to the favorable impact of certain financing activities.

Liabilities for unrecognized tax benefits totaled $99 million and $100 million as of March 31, 2013 and December 31, 2012. If the Company’s tax positions are favorably sustained by the taxing authorities, the reversal of the underlying liabilities would reduce the Company’s effective tax rate in future periods.

The Company files numerous consolidated and separate income tax returns in the U.S. and in many state and foreign jurisdictions. With few exceptions the Company is no longer subject to U.S. Federal income tax examination for 2006 and prior periods. In addition, the Company has subsidiaries in various states, provinces and countries that are currently under audit for years ranging from 2001 through 2011.

The Company is under Canadian audit for the years 2007 and 2008. It is anticipated that these examinations will be completed within the next twelve months. To date, the Company is not aware of any material adjustments not already accrued related to any of the current Federal, state or foreign audits under examination.