Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Tax And Effective Tax Rate

	Quarter ended						Year to date
	2017			2016			2017			2016
Income tax provision	$	106		$	83		$	278		$	263
Effective tax rate	20.2		%	27.5		%	23.5		%	27.0		%