Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 3)

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Fair Value Measurements (Details 3) (USD $)
In Millions
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2010
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale $ 11,183   $ 11,183   $ 25,942
Gains (Losses) on loans held-for-sale (85) 104 (19) 403  
Gains (Losses) on loans and leases (1,445) [1] (1,319) [1] (4,153) [1] (5,125) [1]  
Gains (Losses) on Foreclosed Properties (87) [2] (88) [2] (233) [2] (191) [2]  
Other assets 38,378   38,378   70,531
Gains (Losses) on other assets (20) (7) (43) (14)  
Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member]
         
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale 9,284 1,155 9,284 1,155  
Loans and Leases 6 [1] 58 [1] 6 [1] 58 [1]  
Foreclosed properties 0 [2] 10 [2] 0 [2] 10 [2]  
Other assets 20 4 20 4  
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
         
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis          
Loans held-for-sale 1,465 7,981 1,465 7,981  
Loans and Leases 10,368 [1] 10,893 [1] 10,368 [1] 10,893 [1]  
Foreclosed properties 2,556 [2] 1,712 [2] 2,556 [2] 1,712 [2]  
Other assets $ 861 $ 92 $ 861 $ 92  
[1] Gains (losses) represent charge-offs on real estate-secured loans.
[2] Amounts are included in other assets on the Consolidated Balance Sheet and represent fair value and related losses on foreclosed properties that were written down subsequent to their initial classification as foreclosed properties.