Income Taxes	6 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate for the three months ended June 30, 2016 and 2015 was 35.8% and 25.0%, respectively, and the effective tax rate for the six month ended June 30, 2016 and 2015 was 36.5% and 29.8%, respectively. The effective tax rate for the six months ended June 30, 2016 and 2015 each include a $3 million charge from the write-off of deferred tax assets associated with the expiration of out-of-the-money vested stock options and the vesting of restricted stock units previously granted to our employees. The effective tax rate for the three and six months ended June 30, 2015 also includes a $20 million benefit resulting from the disposition of Imagitas. As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S. and other global taxing jurisdictions in which we have operations. The IRS examinations of our consolidated U.S. income tax returns for tax years prior to 2012 are closed to audit. Additionally, various post-2006 U.S. state and local tax returns are subject to examination. In Canada, the examination of our tax filings prior to 2011 are closed to audit, except for the pending application of legal principles to specific issues arising in earlier years. Other significant jurisdictions in which we have, or have recently completed, tax examinations include France, closed through the end of 2012, Germany closed through the end of 2011 and except for an item under appeal, the U.K. is closed through the end of 2011. We have other less significant tax fillings currently subject to examination.

Income Taxes

6 Months Ended

Jun. 30, 2016

The effective tax rate for the three months ended June 30, 2016 and 2015 was 35.8% and 25.0%, respectively, and the effective tax rate for the six month ended June 30, 2016 and 2015 was 36.5% and 29.8%, respectively. The effective tax rate for the six months ended June 30, 2016 and 2015 each include a $3 million charge from the write-off of deferred tax assets associated with the expiration of out-of-the-money vested stock options and the vesting of restricted stock units previously granted to our employees. The effective tax rate for the three and six months ended June 30, 2015 also includes a $20 million benefit resulting from the disposition of Imagitas.

As is the case with other large corporations, our tax returns are examined each year by tax authorities in the U.S. and other global taxing jurisdictions in which we have operations. The IRS examinations of our consolidated U.S. income tax returns for tax years prior to 2012 are closed to audit. Additionally, various post-2006 U.S. state and local tax returns are subject to examination. In Canada, the examination of our tax filings prior to 2011 are closed to audit, except for the pending application of legal principles to specific issues arising in earlier years. Other significant jurisdictions in which we have, or have recently completed, tax examinations include France, closed through the end of 2012, Germany closed through the end of 2011 and except for an item under appeal, the U.K. is closed through the end of 2011. We have other less significant tax fillings currently subject to examination.