Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2018

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental cash flow information

Supplemental cash flow information consisted of the following:

	Nine Months Ended September 30,
(In millions)	2018		2017
Interest paid	$	98	$	88
Income taxes paid	203		315
Treasury stock purchases settled after the balance sheet date	20		18