Income Taxes	6 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]
Income Taxes	5. 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 $21 million for the three months ended June 30, 2012 compared to expense of $13 million for the three months ended June 30, 2011. The increase in income tax expense is primarily driven by tax on increased income from continuing operations offset by favorable changes in uncertain tax positions. The change in uncertain tax positions includes a favorable settlement with Japan for the 2001 through 2006 tax years which resulted in a $13 million tax benefit. Income tax represented expense of $20 million for the six months ended June 30, 2012 compared to expense of $19 million for the six months ended June 30, 2011. The change in income tax is primarily driven by tax on increased income from continuing operations and an unfavorable mix of earnings, offset by a $13 million favorable settlement with Japan for the 2001 through 2006 tax years and a $14 million favorable settlement with the Canada Revenue Agency for the 2003 tax year and by other favorable changes in uncertain tax positions.

Income Taxes

6 Months Ended

Jun. 30, 2012

5. 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 $21 million for the three months ended June 30, 2012 compared to expense of $13 million for the three months ended June 30, 2011. The increase in income tax expense is primarily driven by tax on increased income from continuing operations offset by favorable changes in uncertain tax positions. The change in uncertain tax positions includes a favorable settlement with Japan for the 2001 through 2006 tax years which resulted in a $13 million tax benefit. Income tax represented expense of $20 million for the six months ended June 30, 2012 compared to expense of $19 million for the six months ended June 30, 2011. The change in income tax is primarily driven by tax on increased income from continuing operations and an unfavorable mix of earnings, offset by a $13 million favorable settlement with Japan for the 2001 through 2006 tax years and a $14 million favorable settlement with the Canada Revenue Agency for the 2003 tax year and by other favorable changes in uncertain tax positions.