Other Expense, Net (Tables)

6 Months Ended

Jun. 30, 2019

Other Income and Expenses [Abstract]

Schedule of other expense

	Three Months Ended June 30,						Six Months Ended June 30,
(in millions)	2019			2018			2019		2018
Restructuring expense	$	13		$	31		$	27	$	39
Merger, acquisition and divestiture expense	5			1			6		3
Other expense (income)	(2		)	(2		)	12		(7		)
Other expense, net	$	16		$	30		$	45	$	35