Income Taxes	9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Our effective tax rate decreased to 32.5% for the 2017 third quarter from 46.4% for the 2016 third quarter, primarily compared to the limited tax benefit we recognized in 2016 from certain merger-related costs that we incurred in jurisdictions with lower tax rates and a tax benefit of $6 million from our adoption of ASU 2016-09. Our effective tax rate decreased to 29.3% for the 2017 first three quarters from 33.1% for the 2016 first three quarters, primarily due to a tax benefit of $62 million from the adoption of ASU 2016-09 and the release of a tax reserve of $12 million due to the favorable settlement of an uncertain tax position. The decrease was partially offset by an unfavorable comparison to the 2016 release of a valuation allowance of $15 million. We paid cash for income taxes, net of refunds, of $413 million in the 2017 first three quarters and $243 million in the 2016 first three quarters.

Income Taxes

9 Months Ended

Sep. 30, 2017

INCOME TAXES

Our effective tax rate decreased to 32.5% for the 2017 third quarter from 46.4% for the 2016 third quarter, primarily compared to the limited tax benefit we recognized in 2016 from certain merger-related costs that we incurred in jurisdictions with lower tax rates and a tax benefit of $6 million from our adoption of ASU 2016-09.

Our effective tax rate decreased to 29.3% for the 2017 first three quarters from 33.1% for the 2016 first three quarters, primarily due to a tax benefit of $62 million from the adoption of ASU 2016-09 and the release of a tax reserve of $12 million due to the favorable settlement of an uncertain tax position. The decrease was partially offset by an unfavorable comparison to the 2016 release of a valuation allowance of $15 million.

We paid cash for income taxes, net of refunds, of $413 million in the 2017 first three quarters and $243 million in the 2016 first three quarters.