Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental cash flow information

Supplemental cash flow information was as follows:

	Nine Months Ended September 30,
(In millions)	2017		2016
Interest paid	$	88	$	79
Income taxes paid	315		306
Treasury stock purchases settled after the balance sheet date	18		18