Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 120	$ 133	$ 246	$ 259
Other comprehensive income/(loss), net of tax:
Foreign currency translation gain/(loss), net	45	24	(29)	30
Pension and post retirement, net	1	(2)	1	16
Unrealized gain/(loss) on forward exchange contracts, net	(10)	(1)	(9)	(3)
Total other comprehensive income/(loss)	36	21	(37)	43
Comprehensive income	$ 156	$ 154	$ 209	$ 302