Segment Reporting - Reconciliation Of Operating Profit Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting [Abstract]
Segment Profit	$ 87	$ 77	$ 173	$ 148
Reconciling items:
Amortization of intangible assets	(61)	(62)	(122)	(137)
Restructuring and related costs	(36)	(23)	(54)	(49)
Interest Expense	(34)	(1)	(70)	(2)
Gain of sale assets	24	0	24	0
Related party interest	0	(10)	0	(20)
Separation costs	(1)	(16)	(6)	(19)
Other (income) expenses, net	10	1	22	(9)
Loss before Income Taxes	(11)	$ (34)	(33)	$ (88)
Gain on sale of assets, net of tax	$ 15		$ 15