Contingencies And Other Disclosures (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended	48 Months Ended	96 Months Ended							3 Months Ended				3 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2011		Jun. 30, 2011		Dec. 31, 2010	Dec. 31, 2008	Dec. 31, 2007	Jun. 27, 2011	Mar. 31, 2011	Jun. 30, 2010		Mar. 31, 2008	Jun. 27, 2011 Two Credit Unions [Member] HELOC [Member]	Mar. 31, 2011 Maximum [Member] Visa Interest [Member]	Mar. 31, 2011 Minimum [Member] Visa Interest [Member]	Jun. 30, 2011 Alt-A [Member]	Jun. 30, 2011 Jumbo [Member]	Jun. 30, 2011 Sentinel Management Group, Inc. [Member]	Jun. 30, 2011 Sentinel Management Group, Inc. [Member]	Jun. 30, 2011 Visa Class B Shares [Member]	Jun. 30, 2011 Visa Interest [Member]	Dec. 31, 2010 Visa Interest [Member]	Jun. 30, 2011 Proprietary Securitization [Member]	Jun. 30, 2011 Single Family Residential Loans [Member]	Jun. 30, 2010 Single Family Residential Loans [Member]	Jun. 27, 2011 Fannie Mae [Member]	Jun. 30, 2011 Mortgage Loans Serviced For Government Sponsored Enterprises [Member]	Jun. 27, 2011 HELOC [Member]	Jun. 27, 2011 Freddie Mac [Member]	Jun. 30, 2011 Mortgage Loans [Member]	Jun. 30, 2010 Mortgage Loans [Member]	Jun. 30, 2011 M&T Arbitration Claim [Member]	Jun. 30, 2011 Active Securitizations [Member]
Amount trustee would receive under terms of the settlement																			$ 38,500,000
Settlement expense																		36,700,000
Unpaid principal balance of servicing portfolio	26,000,000,000		26,000,000,000																								9,700,000,000
Original balance of HELOCs sold in branch sales subject to repurchase claims																																45,500,000
Loans, net of unearned income	16,061,646,000	[1],[2]	16,061,646,000	[1],[2]	16,782,572,000					17,154,050,000	[1],[2]																					24,800,000
Charged-off loans																																9,900,000
Number of Visa Class B shares received in connection with initial public offering												2,400,000
Number of Visa Class B shares sold					440,000
Holding of Visa Class B shares					2,000,000
Historical Cost																				0
Estimated conversion ratio	49.00%		49.00%
Derivative liability related to sale of Visa shares																					1,300,000	1,000,000
Additional amount deposited into escrow account									400,000,000
Reduction in contingent liability														3,300,000
Contingent liability															1,400,000
Payment to the counterparty																					700,000
First lien mortgage loan portfolio with an unpaid principal balance	764,717,000		764,717,000							835,778,000
Recognized servicing and P&I advances	281,300,000		281,300,000
Loans originated and sold						69,500,000,000
Loans securitized, without recourse in proprietary transactions							47,000,000,000
Loans securitized related to active securitization trusts	36,700,000,000		36,700,000,000
Number of active securitization trusts																							110
Number of securitization trusts inactive																							30
Loans sold on full recourse basis with servicing retained																								52,300,000	64,200,000
Loans sold with limited recourse (primarily FHA insured)																														700,000,000	900,000,000
Loans sold with limited recourse	3,100,000,000		3,100,000,000							3,200,000,000
Number of securitization trusts																							140
Remaining balance in mortgage loans	13,200,000,000		13,200,000,000													7,700,000,000	5,500,000,000
Stated percentage of voting rights			25.00%
Total original certificate balance with monoline insurance	128,400,000		128,400,000					98,300,000																									103,400,000
Original combined certificate balances of investments subject to suboena													299,800,000													443,200,000		321,600,000	842,000,000
Current combined certificate balances of investments subject to suboena													129,900,000													176,300,000		162,700,000	367,200,000
Number of trusts in which home equity lines and loans were securitized			7
Investment in properietary securitizations subject to litigation			216,600,000
Cumulative original note balances of the HELOC proprietary securitizations								2,500,000,000
Original note balances of the closed-end second lien securitization	236,300,000		236,300,000
Current note balances of the closed-end second lien securitization	26,300,000		26,300,000
Current note balances of the HELOC proprietary securitizations								600,000,000
Percentage of repurchase make-whole claims related to private whole loan sales			2.00%
Loan-to-value ratio at origination			80.00%
Unpaid principal balance of loans sold where private mortgage insurance had been cancelled			208,900,000
Liability for estimated repurchase losses	171,900,000		171,900,000							164,600,000
Contractual cap under the 2008 subservicing agreement			15,000,000
Estimated fair value of its performance obligation related to the 2008 subservicing agreement	1,200,000		1,200,000
Expected reversal of contingent liability			$ 1,200,000

[1] Q2 2011 and Q2 2010 include $29.9 million and $43.0 million of reserves, respectively, and $649.2 million and $770.3 million of balances in restricted consumer real estate loans, respectively.

[2] Q2 2011 and Q2 2010 include $3.1 million and $7.1 million of reserves, respectively, and $44.9 million and $63.5 million of balances in restricted permanent mortgage loans, respectively.