Cash and Money Market Investments Cash and Money Market Investments (Tables)

6 Months Ended

Jun. 30, 2014

Gross and net information for selected financial instruments [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

	June 30, 2014
(In thousands)							Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet		Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	478,535	$	—	$	478,535	$	—		$	—		$	478,535
Derivatives (included in other assets)	57,143		—		57,143		(6,247		)	—			50,896
	$	535,678	$	—	$	535,678	$	(6,247	)	$	—		$	529,431
Liabilities:
Federal funds and other short-term borrowings	$	258,401	$	—	$	258,401	$	—		$	—		$	258,401
Derivatives (included in other liabilities)	56,574		—		56,574		(6,247		)	(32,743		)	17,584
	$	314,975	$	—	$	314,975	$	(6,247	)	$	(32,743	)	$	275,985

	December 31, 2013
(In thousands)							Gross amounts not offset in the balance sheet
Description	Gross amounts recognized		Gross amounts offset in the balance sheet		Net amounts presented in the balance sheet		Financial instruments			Cash collateral received/pledged			Net amount
Assets:
Federal funds sold and security resell agreements	$	282,248	$	—	$	282,248	$	—		$	—		$	282,248
Derivatives (included in other assets)	65,683		—		65,683		(11,650		)	2,210			56,243
	$	347,931	$	—	$	347,931	$	(11,650	)	$	2,210		$	338,491
Liabilities:
Federal funds and other short-term borrowings	$	340,348	$	—	$	340,348	$	—		$	—		$	340,348
Derivatives (included in other liabilities)	68,397		—		68,397		(11,650		)	(26,997		)	29,750
	$	408,745	$	—	$	408,745	$	(11,650	)	$	(26,997	)	$	370,098

	June 30, 2014					December 31, 2013
(In thousands)	Carrying value		Estimated fair value		Level	Carrying value		Estimated fair value		Level
Financial assets:
HTM investment securities	$	615,104	$	643,926	3	$	588,981	$	609,547	3
Loans and leases (including loans held for sale), net of allowance	39,118,830		38,777,966		3	38,468,402		38,088,242		3
Financial liabilities:
Time deposits	2,500,303		2,507,425		2	2,593,038		2,602,955		2
Foreign deposits	252,207		252,323		2	1,980,161		1,979,805		2
Long-term debt (less fair value hedges)	1,930,649		2,072,925		2	2,269,762		2,423,643		2