Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 313	$ 245	$ 16
Other comprehensive income (loss), net of tax
Currency translation adjustments, net of tax of $(22), $(30) and $7, respectively	(131)	(115)	(27)
Available-for-sale securities:
Net unrealized gains (losses) on available-for-sale securities, net of tax of $1, $0 and $0, respectively	(2)	0	0
Cash flow hedges:
Net unrealized holding gains (losses), net of tax of $4, $4 and $1, respectively	(6)	(7)	1
Less: Cash flow hedges reclassified to earnings, net of tax of $(3), $(3) and $0, respectively	5	5	0
Minimum pension liability adjustment:
Pension and post-retirement benefits, net of tax of $(1), $25 and $(19), respectively	6	(24)	24
Less: Pension and post-retirement benefits reclassified to earnings, net of tax of $(2), $(1) and $(6), respectively	3	2	9
Other comprehensive income (loss)	(125)	(139)	7
Total comprehensive income	$ 188	$ 106	$ 23