Income Taxes	3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate on net income was 19.1% and 18.9% for the three months ended March 31, 2015, and 2014, respectively. The effective tax rate in the first quarter of 2015 was unfavorably impacted by a change in the geographical distribution of income, partially offset by the impact of certain discrete items. During the three months ended March 31, 2015, the Company's uncertain tax positions decreased by $19 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 March 31, 2015, the Company's liability for uncertain tax positions was $186 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $25 million and net of $11 million of tax attributes. The Company's liability for uncertain tax positions as of March 31, 2015 includes $133 million related to amounts that would impact the effective tax rate if recognized.

Income Taxes

3 Months Ended

Mar. 31, 2015

The effective tax rate on net income was 19.1% and 18.9% for the three months ended March 31, 2015, and 2014, respectively. The effective tax rate in the first quarter of 2015 was unfavorably impacted by a change in the geographical distribution of income, partially offset by the impact of certain discrete items.

During the three months ended March 31, 2015, the Company's uncertain tax positions decreased by $19 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 March 31, 2015, the Company's liability for uncertain tax positions was $186 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $25 million and net of $11 million of tax attributes.

The Company's liability for uncertain tax positions as of March 31, 2015 includes $133 million related to amounts that would impact the effective tax rate if recognized.