Loans in non-performing status and accruing loans past-due 90 days or more by loan class (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held-for-sale	$ 97,010	[1]	$ 110,426
Loans held-in-portfolio, net of unearned income	19,635,224	[2]	21,611,866	[2]
Financing Receivable Recorded Investment Nonaccrual Status	4,426		1,092
Segment, Discontinued Operations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held-for-sale	1,783,998
Reverse Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	60,000		50,000
Residential Mortgage Loans Insured By FHA [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	124,000		115,000
Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held-for-sale	93,166	[1]	109,823
Loans held-in-portfolio, net of unearned income	6,664,448		6,681,476
Financing Receivable Recorded Investment Nonaccrual Status	582		489
Mortgages [Member] | SOP Non-Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held-in-portfolio, net of unearned income	55,000		43,000
Nonperforming Financing Receivable Member
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held-for-sale	4,000		1,000
Nonperforming Financing Receivable Member | Segment, Discontinued Operations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment Nonaccrual Status	$ 9,500

[1] Loans held-for-sale from discontinued operations are presented as part of "Assets from Discontinued Operations" in the Consolidated Statement of Condition. Refer to Note 3 to the consolidated financial statements for further information on the discontinued operations.

[2] Non-covered loans held-in-portfolio at June 30, 2014 are net of $91 million in unearned income and exclude $97 million in loans held-for-sale. (December 31, 2013 - $92 million in unearned income and $110 million in loans held-for-sale.)