Commitments and contingencies (Tables)

6 Months Ended

Jun. 30, 2011

Commitments and Contingencies (Tables) [Abstract]

Company's significant commitments

	June 30,		December 31,
	2011		2010
	(in thousands)
Commitments to extend credit
Home equity lines of credit	$	6,534,722		6,281,366
Commercial real estate loans to be sold		181,180		72,930
Other commercial real estate and construction		2,746,493		1,672,006
Residential real estate loans to be sold		482,774		161,583
Other residential real estate		113,738		151,111
Commercial and other		10,787,826		8,332,199
Standby letters of credit		3,963,575		3,917,318
Commercial letters of credit		65,766		76,962
Financial guarantees and indemnification contracts		1,790,502		1,609,944
Commitments to sell real estate loans		903,582		734,696