XML 23 R79.htm IDEA: XBRL DOCUMENT v2.4.0.6
Loans (Details 12) (Commercial Loan [Member], USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income $ 2,894 $ 3,664
Construction and other real estate [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 1,906 2,185
Business banking and middle markets enterprises [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 610 698
Global banking [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 257 551
Other commercial [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 121 230
Special Mention [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 1,362 1,598
Special Mention [Member] | Construction and other real estate [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 805 1,009
Special Mention [Member] | Business banking and middle markets enterprises [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 447 445
Special Mention [Member] | Global banking [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 64 45
Special Mention [Member] | Other commercial [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 46 99
Substandard [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 1,295 1,759
Substandard [Member] | Construction and other real estate [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 969 990
Substandard [Member] | Business banking and middle markets enterprises [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 155 241
Substandard [Member] | Global banking [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 97 397
Substandard [Member] | Other commercial [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 74 131
Doubtful [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 237 307
Doubtful [Member] | Construction and other real estate [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 132 186
Doubtful [Member] | Business banking and middle markets enterprises [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 8 12
Doubtful [Member] | Global banking [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income 96 109
Doubtful [Member] | Other commercial [Member]
   
Summary of criticized assets for commercial loans    
Loans and leases doubtful receivable commercial net of deferred income $ 1