Goodwill and Intangible Assets, net (Schedule Of Goodwill Allocation By Reportable Segments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 6,085	$ 5,710
Additions and adjustments	958	319
Foreign currency translation adjustments	(90)	56
Goodwill, Ending Balance	6,953	6,085
Financial Services
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,109	1,073
Additions and adjustments	48	19
Foreign currency translation adjustments	(28)	17
Goodwill, Ending Balance	1,129	1,109
Health Sciences
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,840	2,819
Additions and adjustments	68	15
Foreign currency translation adjustments	(13)	6
Goodwill, Ending Balance	2,895	2,840
Products and Resources
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,217	1,062
Additions and adjustments	698	137
Foreign currency translation adjustments	(31)	18
Goodwill, Ending Balance	1,884	1,217
Communications, Media and Technology
Goodwill [Roll Forward]
Goodwill, Beginning Balance	919	756
Additions and adjustments	144	148
Foreign currency translation adjustments	(18)	15
Goodwill, Ending Balance	$ 1,045	$ 919