Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details 2)

 v2.3.0.11
Business Segment Information (Details 2) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2010
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets $ 2,261,319 $ 2,264,909 $ 2,368,384
Significant Reconciling Items [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets 2,052,109   2,125,285
ALM activities, including securities portfolio [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets 639,220   586,609
Equity investments [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets 30,995   35,450
Liquidating Businesses [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets 10,078   33,026
Elimination of segment excess asset allocations to match liabilities [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets (629,621)   (603,543)
Other Adjustment [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Consolidated total assets $ 158,538   $ 191,557