XML 32 R73.htm IDEA: XBRL DOCUMENT

Cash and Cash Equivalents (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Cash, Cash Equivalents Details [Line Items]
Deposits at the Federal Reserve Bank earning interest at the Federal Funds target rate	$ 100.1	$ 2,200.0
Interest-earning deposits in other financial institutions	371.5	246.3
Fair value of securities purchased under agreements to resell	179.1	61.6
Fair value of securities received as collateral that have been resold or repledged	$ 0	$ 0

For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References+ Details