Restructuring and Other Charges (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring and Related Activities [Abstract]

Roll Forward of Restructuring Reserve

Amounts related to activities that are part of our restructuring plans are as follows:

	December 31, 2016 Restructuring Reserve		2017 Expenses	2017 Cash Payments		Impact of Exchange Rates	December 31, 2017 Restructuring Reserve
	(Millions)
Employee Severance, Termination Benefits and Other Related Costs	$	15	49	(41	)	2	$	25