Goodwill and Intangible Assets, net (Schedule Of Goodwill Allocation By Reportable Segments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 2,405	$ 2,414
Additions	157	5
Foreign currency translation adjustments	(8)	(14)
Goodwill, Ending Balance	2,554	2,405
Financial Services [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	203	205
Additions	28	5
Foreign currency translation adjustments	(4)	(7)
Goodwill, Ending Balance	227	203
Healthcare [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,076	2,080
Additions	14	0
Foreign currency translation adjustments	(1)	(4)
Goodwill, Ending Balance	2,089	2,076
Manufacturing/Retail/Logistics [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	67	69
Additions	94	0
Foreign currency translation adjustments	(2)	(2)
Goodwill, Ending Balance	159	67
Other [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	59	60
Additions	21	0
Foreign currency translation adjustments	(1)	(1)
Goodwill, Ending Balance	$ 79	$ 59