Income Taxes	9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate on net income was 14.0% and15.8% for the three and nine months ended September 30, 2015, respectively. The effective tax rate on net income was 19.1% and 18.5% for the three and nine months ended September 30, 2014, respectively. The effective tax rate in the third quarter of 2015 was favorably impacted by certain discrete items. During the nine months ended September 30, 2015, the Company's uncertain tax positions increased by $7 million, excluding interest and penalties, as compared to the year ended December 31, 2014. The increase in uncertain tax positions was primarily related to current and prior year tax positions offset by the settlement of certain issues related to the IRS audit for tax years 2008-2011. As of September 30, 2015, the Company's liability for uncertain tax positions was $208 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $30 million and net of $21 million of tax attributes. The Company's liability for uncertain tax positions as of September 30, 2015 includes $161 million related to amounts that would impact the effective tax rate if recognized.

Income Taxes

9 Months Ended

Sep. 30, 2015

The effective tax rate on net income was 14.0% and15.8% for the three and nine months ended September 30, 2015, respectively. The effective tax rate on net income was 19.1% and 18.5% for the three and nine months ended September 30, 2014, respectively. The effective tax rate in the third quarter of 2015 was favorably impacted by certain discrete items.

During the nine months ended September 30, 2015, the Company's uncertain tax positions increased by $7 million, excluding interest and penalties, as compared to the year ended December 31, 2014. The increase in uncertain tax positions was primarily related to current and prior year tax positions offset by the settlement of certain issues related to the IRS audit for tax years 2008-2011. As of September 30, 2015, the Company's liability for uncertain tax positions was $208 million, which was included in Other non-current liabilities in the Condensed Consolidated Statement of Financial Position, including interest and penalties of $30 million and net of $21 million of tax attributes.

The Company's liability for uncertain tax positions as of September 30, 2015 includes $161 million related to amounts that would impact the effective tax rate if recognized.