Income Taxes	9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate for the three months ended September 30, 2015 and 2014 was 31.3% and 17.9%, respectively, and the effective tax rate for the nine months ended September 30, 2015 and 2014 was 30.2% and 23.8%, respectively. The effective tax rate for the nine months ended September 30, 2015 includes a $20 million benefit resulting from the disposition of Imagitas. The effective tax rate for the nine months ended September 30, 2014 includes a benefit of $22 million from the resolution of tax examinations. As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S., other countries and local jurisdictions in which we have operations. The Internal Revenue Service examinations of tax years prior to 2011 are closed to audit. Other than the pending application of legal principles to specific issues arising in earlier years, only post-2010 Canadian tax years are subject to examination. Other significant tax filings subject to examination include various post-2005 U.S. state and local, post-2011 German, and U.K., post-2012 French tax filings. We have other less significant tax filings currently under examination or subject to examination.

Income Taxes

9 Months Ended

Sep. 30, 2015

The effective tax rate for the three months ended September 30, 2015 and 2014 was 31.3% and 17.9%, respectively, and the effective tax rate for the nine months ended September 30, 2015 and 2014 was 30.2% and 23.8%, respectively. The effective tax rate for the nine months ended September 30, 2015 includes a $20 million benefit resulting from the disposition of Imagitas. The effective tax rate for the nine months ended September 30, 2014 includes a benefit of $22 million from the resolution of tax examinations.

As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S., other countries and local jurisdictions in which we have operations. The Internal Revenue Service examinations of tax years prior to 2011 are closed to audit. Other than the pending application of legal principles to specific issues arising in earlier years, only post-2010 Canadian tax years are subject to examination. Other significant tax filings subject to examination include various post-2005 U.S. state and local, post-2011 German, and U.K., post-2012 French tax filings. We have other less significant tax filings currently under examination or subject to examination.