v2.4.0.6
Loans and Allowance for Credit Losses Textual (Details) (USD $)
12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2011
Residential Mortgage [Member]
Dec. 31, 2011
California Concentration Risk [Member]
Residential Mortgage [Member]
Dec. 31, 2010
California Concentration Risk [Member]
Residential Mortgage [Member]
Dec. 31, 2011
Home Affordable Modification Program [Member]
Dec. 31, 2011
Second Lien Modification Program [Member]
Dec. 31, 2011
Proprietary Program [Member]
Dec. 31, 2011
Purchased Credit-Impaired Loans [Member]
Dec. 31, 2010
Purchased Credit-Impaired Loans [Member]
Dec. 31, 2011
Purchased Credit-Impaired Loans [Member]
California Concentration Risk [Member]
Residential Mortgage [Member]
Dec. 31, 2010
Purchased Credit-Impaired Loans [Member]
California Concentration Risk [Member]
Residential Mortgage [Member]
Dec. 31, 2011
Financing Receivable Accruing [Member]
Dec. 31, 2011
Financing Receivable Nonaccruing [Member]
Dec. 31, 2011
Trial modifications [Member]
Dec. 31, 2011
Commercial and Industrial Loans [Member]
Dec. 31, 2010
Commercial and Industrial Loans [Member]
Dec. 31, 2009
Commercial and Industrial Loans [Member]
Dec. 31, 2008
Commercial and Industrial Loans [Member]
Dec. 31, 2011
Commercial and Industrial Loans [Member]
Purchased Credit-Impaired Loans [Member]
Dec. 31, 2010
Commercial and Industrial Loans [Member]
Purchased Credit-Impaired Loans [Member]
Dec. 31, 2011
Commercial Real Estate Mortgage and Construction Loans [Member]
Dec. 31, 2011
Commercial Real Estate Mortgage and Construction Loans [Member]
Criticized [Member]
Dec. 31, 2011
Lease Financing [Member]
Dec. 31, 2010
Lease Financing [Member]
Dec. 31, 2011
Total Commercial [Member]
Dec. 31, 2010
Total Commercial [Member]
Dec. 31, 2011
Total Commercial [Member]
Purchased Credit-Impaired Loans [Member]
Dec. 31, 2010
Total Commercial [Member]
Purchased Credit-Impaired Loans [Member]
Sep. 30, 2011
Total Commercial [Member]
Impaired Financing Receivables, Not Previously Classified As Impaired [Member]
Dec. 31, 2011
Real estate 1-4 family first mortgage [Member]
Dec. 31, 2010
Real estate 1-4 family first mortgage [Member]
Dec. 31, 2011
Total Consumer [Member]
Dec. 31, 2010
Total Consumer [Member]
Dec. 31, 2011
Total Consumer [Member]
Financing Receivable Accruing [Member]
Dec. 31, 2010
Total Consumer [Member]
Financing Receivable Accruing [Member]
Dec. 31, 2011
Mortgages held for sale [Member]
Dec. 31, 2010
Mortgages held for sale [Member]
Dec. 31, 2011
Loans held for sale [Member]
Dec. 31, 2010
Loans held for sale [Member]
Dec. 31, 2011
FHA Insured/VA Guaranteed [Member]
Dec. 31, 2010
FHA Insured/VA Guaranteed [Member]
Dec. 31, 2011
FHA Insured, VA Or FFELP Guaranteed [Member]
Dec. 31, 2010
FHA Insured, VA Or FFELP Guaranteed [Member]
Dec. 31, 2011
Interest Only Loans [Member]
Residential Mortgage [Member]
Dec. 31, 2010
Interest Only Loans [Member]
Residential Mortgage [Member]
Accounts Notes Loans And Financing Receivable (Textual) [Abstract]                                                                                                
Unearned income, net deferred loan fees and unamortized discount and premium $ 9,300,000,000 $ 11,300,000,000                                                                                            
Financing Receivable, Certain Purchases Net of Certain Transfers to Held for Sale                                                                                     10,400,000,000 7,000,000,000        
Allowances related to adoption of Consolidation Accounting Guidance   693,000,000                                                                                            
Allowance for loan losses and credit losses 231,000,000 298,000,000 333,000,000 0                           165,000,000 266,000,000 330,000,000 0                                                      
Loans, excluding Purchased Credit Impaired Loans                                                 29,300,000,000                                              
Previously sold reverse mortgages consolidated during period, ending balance 5,600,000,000                                                                                              
90 days past due but still accruing 22,569,000,000 18,488,000,000                 8,700,000,000 11,600,000,000                   18,000,000 84,000,000             885,000,000 2,111,000,000       11,500,000,000 13,000,000,000 1,500,000,000 2,000,000,000         19,240,000,000 14,733,000,000 20,500,000,000 15,800,000,000    
Financing Receivables equal to or greater than 180 days past due, Percentage of Portfolio                                                                 3.30% 3.40%                            
Financing Receivable, Recorded Investment, Nonaccrual Status 21,304,000,000 26,242,000,000                               2,142,000,000 3,213,000,000           6,000,000,000 53,000,000 108,000,000 8,217,000,000 11,351,000,000       10,913,000,000 12,289,000,000 13,087,000,000 14,891,000,000     301,000,000 426,000,000 25,000,000 3,000,000            
Total unfunded loan commitments on troubled debt restructurings 3,800,000,000 1,200,000,000                               1,800,000,000 345,000,000                                                          
Impaired Financing Receivable, Recorded Investment 28,010,000,000 25,738,000,000           421,000,000 46,000,000 184,000,000             651,000,000 3,072,000,000 3,600,000,000             68,000,000 91,000,000 10,566,000,000 11,731,000,000     685,000,000 14,486,000,000 11,603,000,000 17,444,000,000 14,007,000,000                        
Impaired Financing Receivable, Related Allowance 6,678,000,000 6,202,000,000                               501,000,000 607,000,000             21,000,000 34,000,000 2,133,000,000 2,479,000,000     54,000,000 3,380,000,000 2,754,000,000 4,545,000,000 3,723,000,000                        
Recorded Investments on Trial Payment Programs                             310,000,000 341,000,000                                                                
Financing Receivable Modifications, Principa lForgiven $ 577,000,000                                                                                              
Loan Concentration Risk (Textual) [Abstract]                                                                                                
Concentration of loans as a percentage of total loans           13.00% 14.00%           3.00% 3.00%                                                                 21.00% 25.00%
Concentration Risk, Geographic         These loans are generally diversified among the larger metropolitan areas in California, with no single area consisting of more than 3% of total loans.                                                                                      
Concentration Risk, Additional Characteristic California                                                                                              
Concentration Risk, Other Risk                                   At December 31, 2011 and 2010, we did not have concentrations representing 10% or more of our total loan portfolio in domestic commercial and industrial loans and lease financing by industry or CRE loans (real estate mortgage and real estate construction) by state or property type.           At December 31, 2011 and 2010, we did not have concentrations representing 10% or more of our total loan portfolio in domestic commercial and industrial loans and lease financing by industry or CRE loans (real estate mortgage and real estate construction) by state or property type.   At December 31, 2011 and 2010, we did not have concentrations representing 10% or more of our total loan portfolio in domestic commercial and industrial loans and lease financing by industry or CRE loans (real estate mortgage and real estate construction) by state or property type.