Other Assets (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Other Assets [Abstract]
Accounts receivable	$ 6,124		$ 3,616
Corporate/bank owned life insurance	4,509		4,482
Equity in joint ventures and other investments	3,238	[1],[2]	3,220	[1],[2]
Income taxes receivable (b)	2,311		2,499
Fails to deliver	2,256		864
Software	1,272		1,251
Prepaid pension assets	1,254		1,209
Fair value of hedging derivatives	1,000		1,282
Prepaid expenses	511		451
Due from customers on acceptances	244		379
Other	1,621		1,313
Total other assets (b)	$ 24,340	[2]	$ 20,566	[2]

[1] Includes Federal Reserve Bank stock of $441 million at both March 31, 2014 and Dec. 31, 2013.

[2] Prior period was restated to reflect the retrospective application of adopting new accounting guidance related to our investments in qualified affordable housing projects (ASU 2014-01). See Note 2 of the Notes to Consolidated Financial Statements for additional information.