Income Taxes	6 Months Ended
Jun. 30, 2011
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Income tax provisions for interim (quarterly) periods are based on estimated annual income taxes calculated separately from the effect of significant infrequent or unusual items. Income tax represented expense of $8 million for the three months ended June 30, 2011 compared to an expense of $11 million for the three months ended June 30, 2010. The decrease in the income tax expense in the three months ended June 30, 2011 as compared to the prior period was primarily due to net favorable adjustments to uncertain tax positions, partially offset by tax expense attributable to increased pre-tax income over the prior year, the mix of jurisdictions with income and losses, as well as adjustments to increase certain provisions related to the 2010 tax year, which management deemed immaterial. Income tax represented expense of $9 million for the six months ended June 30, 2011 compared to an expense of $10 million for the six months ended June 30, 2010. The decrease in the income tax expense in the six months ended June 30, 2011 as compared to the prior period was primarily due to net favorable adjustments to uncertain tax positions, partially offset by tax expense attributable to increased pre-tax income over the prior year, and the mix of jurisdictions with income and losses.

Income Taxes

6 Months Ended

Jun. 30, 2011

INCOME TAXES

Income tax provisions for interim (quarterly) periods are based on estimated annual income taxes calculated separately from the effect of significant infrequent or unusual items. Income tax represented expense of $8 million for the three months ended June 30, 2011 compared to an expense of $11 million for the three months ended June 30, 2010. The decrease in the income tax expense in the three months ended June 30, 2011 as compared to the prior period was primarily due to net favorable adjustments to uncertain tax positions, partially offset by tax expense attributable to increased pre-tax income over the prior year, the mix of jurisdictions with income and losses, as well as adjustments to increase certain provisions related to the 2010 tax year, which management deemed immaterial. Income tax represented expense of $9 million for the six months ended June 30, 2011 compared to an expense of $10 million for the six months ended June 30, 2010. The decrease in the income tax expense in the six months ended June 30, 2011 as compared to the prior period was primarily due to net favorable adjustments to uncertain tax positions, partially offset by tax expense attributable to increased pre-tax income over the prior year, and the mix of jurisdictions with income and losses.