Restructuring (Tables)

6 Months Ended

Jun. 30, 2016

Restructuring and Related Activities [Abstract]

Schedule of restructuring reserve by type of cost

The following table shows the balances and activity for restructuring charges:

(in millions)	Severance and Related Costs			Lease Restructuring
Liability as of January 1, 2016	$	52		$	415
Additional costs and expenses	8			—
Payments	(46		)	(44		)
Liability as of June 30, 2016	$	14		$	371