Goodwill and Intangible Assets-Goodwill by Business Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Goodwill [Roll Forward]
Beginning Balance	$ 18,073	$ 18,075
Foreign exchange translation	27	(159)
Other		4	[1]
Ending Balance	18,100	17,920
Investment Management
Goodwill [Roll Forward]
Beginning Balance	9,473	9,440	[2]
Foreign exchange translation	20	(104)	[2]
Other		4	[1],[2]
Ending Balance	9,493	9,340	[2]
Investment Services
Goodwill [Roll Forward]
Beginning Balance	8,550	8,517
Foreign exchange translation	7	(51)
Other		0	[1]
Ending Balance	8,557	8,466
Other
Goodwill [Roll Forward]
Beginning Balance	50	118	[2]
Foreign exchange translation	0	(4)	[2]
Other		0	[1],[2]
Ending Balance	$ 50	$ 114	[2]

[1] Other changes in goodwill include purchase price adjustments and certain other reclassifications.

[2] Includes the reclassification of goodwill associated with the Newton Private Clients business from Investment Management to the Other segment.