Integration and Restructuring Costs (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Restructuring activities

Details of the restructuring liability activity from January 1, 2017 through December 31, 2018, including actions taken prior to 2018, are as follows:

(In millions)	Balance at 1/1/17		Expense Incurred		Cash Paid			Other		Balance at 12/31/17		Expense Incurred		Cash Paid			Other			Balance at 12/31/18
Severance	$	32	$	31	$	(49	)	$	1	$	15	$	137	$	(77	)	$	(2	)	$	73
Future rent under non-cancelable leases and other costs	61		9		(22		)	2		50		24		(37		)	2			39
Total	$	93	$	40	$	(71	)	$	3	$	65	$	161	$	(114	)	$	—		$	112