Income Taxes	3 Months Ended
Mar. 31, 2012
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 8 - INCOME TAXES The provision for income taxes was $69 million and $33 million for the three months ended March 31, 2012 and 2011, respectively, representing effective tax rates of 22% and 16%, respectively, during those periods. The Company calculated income taxes for the three months ended March 31, 2012 and 2011 based on actual year-to-date results. As of March 31, 2012 and December 31, 2011, the Company’s liability for UTBs, excluding interest and penalties, was $136 million and $133 million, respectively. The amount of UTBs that, if recognized, would affect the Company's effective tax rate was $91 million at March 31, 2012. Additionally, the Company had a liability of $22 million and $21 million for interest related to its UTBs at March 31, 2012 and December 31, 2011, respectively. Interest expense recognized related to UTBs was approximately $1 million for both the three months ended March 31, 2012 and 2011. Interest related to UTBs is recorded as a component of the income tax provision. The Company continually evaluates the UTBs associated with its uncertain tax positions. It is reasonably possible that the liability for UTBs could decrease during the next 12 months by up to $90 million due to completion of tax authority examinations and the expiration of statutes of limitations. The Company files consolidated and separate income tax returns in the U.S. federal jurisdiction and in various state jurisdictions. The Company's federal income tax returns are no longer subject to examination by the IRS for taxable years prior to 2006. The IRS audit of the 2006 federal income tax return is closed, but the return is still subject to examination to the extent of carryback claims. The Company's 2007 through 2009 federal income tax returns are currently under examination by the IRS. With limited exceptions, the Company is no longer subject to examination by state and local taxing authorities for taxable years prior to 2006.

Income Taxes

3 Months Ended

Mar. 31, 2012

NOTE 8 - INCOME TAXES

The provision for income taxes was $69 million and $33 million for the three months ended March 31, 2012 and 2011, respectively, representing effective tax rates of 22% and 16%, respectively, during those periods. The Company calculated income taxes for the three months ended March 31, 2012 and 2011 based on actual year-to-date results.

As of March 31, 2012 and December 31, 2011, the Company’s liability for UTBs, excluding interest and penalties, was $136 million and $133 million, respectively. The amount of UTBs that, if recognized, would affect the Company's effective tax rate was $91 million at March 31, 2012. Additionally, the Company had a liability of $22 million and $21 million for interest related to its UTBs at March 31, 2012 and December 31, 2011, respectively. Interest expense recognized related to UTBs was approximately $1 million for both the three months ended March 31, 2012 and 2011. Interest related to UTBs is recorded as a component of the income tax provision. The Company continually evaluates the UTBs associated with its uncertain tax positions. It is reasonably possible that the liability for UTBs could decrease during the next 12 months by up to $90 million due to completion of tax authority examinations and the expiration of statutes of limitations.

The Company files consolidated and separate income tax returns in the U.S. federal jurisdiction and in various state jurisdictions. The Company's federal income tax returns are no longer subject to examination by the IRS for taxable years prior to 2006. The IRS audit of the 2006 federal income tax return is closed, but the return is still subject to examination to the extent of carryback claims. The Company's 2007 through 2009 federal income tax returns are currently under examination by the IRS. With limited exceptions, the Company is no longer subject to examination by state and local taxing authorities for taxable years prior to 2006.