Goodwill And Other Intangibles (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Goodwill [Roll Forward]
Balance as of January 1, as reported	$ 6,893		$ 6,792
Goodwill acquired	472		113
Other adjustments	(124)	[1]	(12)	[1]
Balance at December 31,	$ 7,241		$ 6,893

[1] due to the impact of foreign exchange in both years.