Income Taxes	6 Months Ended
Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate on net income was 12.2% and 16.8% for the three and six months ended June 30, 2015, respectively. The effective tax rate on net income was 17.5% and 18.3% for the three and six months ended June 30, 2014, respectively. The effective tax rate in the second quarter of 2015 was favorably impacted by changes in the geographical distribution of income, including a reduction in U.S. income resulting from the settlement of a legacy legal matter and the impact of certain discrete items. During the six months ended June 30, 2015, the Company's uncertain tax positions decreased by $10 million, excluding interest and penalties, as compared to the year ended December 31, 2014. The decrease in uncertain tax positions was primarily related to the settlement of certain issues related to the IRS audit for tax years 2008-2011. As of June 30, 2015, the Company's liability for uncertain tax positions was $197 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $28 million and net of $12 million of tax attributes. The Company's liability for uncertain tax positions as of June 30, 2015 includes $144 million related to amounts that would impact the effective tax rate if recognized.

Income Taxes

6 Months Ended

Jun. 30, 2015

The effective tax rate on net income was 12.2% and 16.8% for the three and six months ended June 30, 2015, respectively. The effective tax rate on net income was 17.5% and 18.3% for the three and six months ended June 30, 2014, respectively. The effective tax rate in the second quarter of 2015 was favorably impacted by changes in the geographical distribution of income, including a reduction in U.S. income resulting from the settlement of a legacy legal matter and the impact of certain discrete items.

During the six months ended June 30, 2015, the Company's uncertain tax positions decreased by $10 million, excluding interest and penalties, as compared to the year ended December 31, 2014. The decrease in uncertain tax positions was primarily related to the settlement of certain issues related to the IRS audit for tax years 2008-2011. As of June 30, 2015, the Company's liability for uncertain tax positions was $197 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $28 million and net of $12 million of tax attributes.

The Company's liability for uncertain tax positions as of June 30, 2015 includes $144 million related to amounts that would impact the effective tax rate if recognized.