Contingencies And Other Disclosures (Narrative I) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended	32 Months Ended			3 Months Ended			12 Months Ended
	Sep. 30, 2014 number	Sep. 30, 2013	Sep. 30, 2014 number	Sep. 30, 2013	Dec. 31, 2008	Aug. 31, 2008	Sep. 25, 2014 First Lien Mortgage Securitizations [Member]	Dec. 31, 2005 First Lien Mortgage Securitizations [Member]	Sep. 30, 2014 Mortgage Securitization Litigation [Member]	Sep. 30, 2014 Debit Transaction Sequencing Matter [Member]	Sep. 25, 2014 Federal Home Loan Bank San Francisco [Member]	Dec. 31, 2007 F H Proprietary Securitization [Member] number	Sep. 30, 2014 F H Proprietary Securitization [Member]	Sep. 25, 2014 F H Proprietary Securitization [Member]	Sep. 25, 2014 Federal Home Loan Bank Of Atlanta [Member]	Aug. 31, 2008 FHA Insured number	Sep. 30, 2014 Alternative Mortgage Loans [Member] F H Proprietary Securitization [Member]	Sep. 30, 2014 Jumbo Mortgage Loans [Member] F H Proprietary Securitization [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2014 Minimum [Member]	Sep. 25, 2014 Credit Unions [Member] First Lien Mortgage Securitizations [Member]	Sep. 25, 2014 Credit Unions [Member] Home Equity [Member]	Sep. 30, 2014 Home Equity [Member] F H Proprietary Securitization [Member] number	Sep. 30, 2014 Federal Housing Finance Agency [Member] Jumbo Mortgage Loans [Member]	Sep. 25, 2014 Investments Subject To Lawsuits [Member] Mortgage Securitization Litigation [Member]
Loss Contingencies [Line Items]
Estimated reasonably possible losses in excess of currently established liabilities																			$ 118,000,000	$ 0
Actual damages sought by plaintiff										5,000,000
Subservicer expenditure reimbursement amount disputed																								34,900,000
Loans originated and sold to Agencies					69,500,000,000
Loans securitized, without recourse in proprietary transactions												26,700,000,000
Number of active securitization trusts																							1
Number of securitization trusts inactive												80
Remaining balance in mortgage loans													6,400,000,000				4,400,000,000	2,000,000,000
Stated percentage of voting rights	25.00%
Original combined certificate balances of investments subject to subpoena											501,100,000				56,100,000						321,600,000	299,800,000
Total original certificate balance with monoline insurance								25,000,000
Total current certificate balance with monoline insurance							23,200,000
Current combined certificate balances of investments subject to subpoena											144,300,000				7,000,000						99,700,000	68,800,000
Investment in proprietary securitizations subject to indemnifications									331,400,000
Investment in proprietary securitizations subject to lawsuits									225,700,000
Ending certificate balance of the investments subject to lawsuits																									204,300,000
Investments percentage performing																									85.00%
Cumulative losses on investments, percentage of unpaid balance																									6.00%
Cumulative original note balances of the HELOC proprietary securitizations														299,800,000
Current note balances of the HELOC proprietary securitizations														68,800,000
Unpaid principal balance of loans sold where private mortgage insurance had been cancelled	516,000,000	481,700,000	516,000,000	481,700,000
Estimated Litigation Liability	56,300,000		56,300,000
Number of GSEs to which conventional conforming single-family mortgage loans were predominately sold to	2		2
Number of years of the subservicing arrangement						3 years
Loans sold to GSEs					57,600,000,000
Loans guaranteed by Ginnie Mae					11,900,000,000
Number Of Loans Originated From 2006 to 2008 Divestiture Of The National Mortgage Platform																47,817
Amount Of Loans Originated From 2006 to 2008 Divestiture Of The National Mortgage Platform																8,200,000,000
Percent Of Repurchase Make Whole Claims Related To Private Whole Loan Sales	38.00%
Litigation And Regulatory Matters	35,390,000	229,000	(2,720,000)	6,299,000
Professional Fees	$ 10,463,000	$ 12,704,000	$ 31,653,000	$ 37,940,000