Goodwill And Other Intangibles (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Goodwill [Roll Forward]
Balance as of January 1, as reported	$ 6,792		$ 6,562
Goodwill acquired	113		226
Other adjustments(a)	(12)	[1]	4	[1]
Balance at December 31,	$ 6,893		$ 6,792

[1] Reflects increases due to the impact of foreign exchange in both years. 2013 also reflects a reduction due to purchase accounting adjustments.