Derivative financial instruments (Tables)

12 Months Ended

Dec. 31, 2011

Derivative financial instruments [Abstract]

Information about interest rate swap agreements

	Notional Amount		Average Maturity		Weighted-Average Rate						Estimated Fair Value Gain
					Fixed			Variable
	(In thousands)		(In years)								(In thousands)
December 31, 2011
Fair value hedges:
Fixed rate long-term borrowings(a)	$	900,000		5.4		6.07	%		2.07	%	$	147,302
December 31, 2010
Fair value hedges:
Fixed rate long-term borrowings(a)	$	900,000		6.4		6.07	%		1.84	%	$	96,637

(a) Under the terms of these agreements, the Company receives settlement amounts at a fixed rate and pays at a variable rate.

Information about fair values of derivative instruments in consolidated balance sheet

Information about the fair values of derivative instruments in the Company’s consolidated balance sheet and consolidated statement of income follows:

	Asset Derivatives Fair Value December 31				Liability Derivatives Fair Value December 31
	2011		2010		2011		2010
	(In thousands)
Derivatives designated and qualifying as hedging instruments
Fair value hedges:
Interest rate swap agreements(a)	$	147,302	$	96,637	$	—	$	—
Commitments to sell real estate loans(a)		232		4,880		2,287		1,062
		147,534		101,517		2,287		1,062
Derivatives not designated and qualifying as hedging instruments
Mortgage-related commitments to originate real estate loans for sale(a)		7,991		2,827		1,068		583
Commitments to sell real estate loans(a)		1,328		10,322		2,771		1,962
Trading:
Interest rate contracts(b)		443,033		345,632		415,836		321,461
Foreign exchange and other option and futures contracts(b)		19,115		11,267		18,723		11,761
		471,467		370,048		438,398		335,767
Total derivatives	$	619,001	$	471,565	$	440,685	$	336,829

(a) Asset derivatives are reported in other assets and liability derivatives are reported in other liabilities.

(b) Asset derivatives are reported in trading account assets and liability derivatives are reported in other liabilities.

Information about fair values of derivative instruments in consolidated statement of income

	Amount of Unrealized Gain (Loss) Recognized
	Year Ended December 31, 2011						Year Ended December 31, 2010						Year Ended December 31, 2009
	Derivative			Hedged Item			Derivative			Hedged Item			Derivative			Hedged Item
	(In thousands)
Derivatives in fair value hedging relationships
Interest rate swap agreements:
Fixed rate time deposits(a)	$	—		$	—		$	(503	)	$	503		$	(1,797	)	$	1,789
Fixed rate long-term borrowings(a)		50,665			(47,916	)		41,628			(39,802	)		(91,093	)		85,679
Total	$	50,665		$	(47,916	)	$	41,125		$	(39,299	)	$	(92,890	)	$	87,468
Derivatives not designated as hedging instruments
Trading:
Interest rate contracts(b)	$	6,130					$	3,760					$	(3,622	)
Foreign exchange and other option and futures contracts(b)		(2,649	)					(307	)					337
Total	$	3,481					$	3,453					$	(3,285	)

(a) Reported as other revenues from operations.

(b) Reported as trading account and foreign exchange gains.