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Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2011
Derivative Financial Instruments [Abstract]  
Notional amounts of derivative financial instruments by maturity
                                         
    Remaining Life  
    One Year or
Less		     After One Year
Through Five
Years		     After Five Years
Through Ten
Years		     After Ten Years     Total  
    (In millions)  

Interest rate swaps

   $ 5,709     $ 26,479     $ 18,989     $ 28,556     $ 79,733  

Interest rate floors

     —       16,866       4,000       3,000       23,866  

Interest rate caps

     5,000       40,151       4,514       —       49,665  

Interest rate futures

     14,965       —       —       —       14,965  

Interest rate options

     707       11,976       4,305       —       16,988  

Interest rate forwards

     13,358       675       —       —       14,033  

Synthetic GICs

     4,454       —       —       —       4,454  

Foreign currency swaps

     1,255       6,593       5,793       2,820       16,461  

Foreign currency forwards

     9,834       237       19       59       10,149  

Currency futures

     633       —       —       —       633  

Currency options

     1,321       —       —       —       1,321  

Credit default swaps

     174       12,315       647       —       13,136  

Credit forwards

     20       —       —       —       20  

Equity futures

     7,053       —       —       —       7,053  

Equity options

     538       5,254       11,307       —       17,099  

Variance swaps

     1,015       2,067       15,396       323       18,801  

Total rate of return swaps

     1,597       47       —       —       1,644  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 67,633     $ 122,660     $ 64,970     $ 34,758     $ 290,021  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  
Settlement Payments by Hedge Classification and Income Statement Location
                         
     Years Ended December 31,  
     2011     2010     2009  
    (In millions)  

Qualifying hedges:

                        

Net investment income

   $ 98     $ 83     $ 49  

Interest credited to policyholder account balances

     214       233       220  

Other expenses

     (4 )      (6 )      (3 ) 
       

Non-qualifying hedges:

                        

Net investment income

     (8 )      (3 )      (2 ) 

Other revenues

     75       108       77  

Net derivative gains (losses)

     411       65       91  

Policyholder benefits and claims

     17       —       —  
   

 

 

    

 

 

    

 

 

  

Total

   $ 803     $ 480     $ 432  
   

 

 

    

 

 

    

 

 

  
Net derivatives gains (losses) recognized on fair value derivatives and the related hedged items
                             

Derivatives in Fair Value

Hedging Relationships

  

Hedged Items in Fair Value

Hedging Relationships

   Net Derivative
Gains (Losses)
Recognized for
Derivatives		     Net Derivative
Gains (Losses)
Recognized for
Hedged Items		     Ineffectiveness
Recognized in
Net Derivative
Gains (Losses)		  
        (In millions)  

For the Year Ended December 31, 2011:

                        

Interest rate swaps:

   Fixed maturity securities   $ (25 )    $ 22     $ (3 ) 
    PABs (1)     1,054       (1,030 )      24  

Foreign currency swaps:

   Foreign-denominated fixed maturity securities     1       3       4  
    Foreign-denominated PABs (2)     (24 )      (25 )      (49 ) 

Foreign currency

forwards:

   Foreign-denominated fixed maturity securities     (25 )      25       —  
       

 

 

    

 

 

    

 

 

  

Total

   $ 981     $ (1,005 )    $ (24 ) 
       

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2010:

                        

Interest rate swaps:

   Fixed maturity securities   $ (14 )    $ 16     $ 2  
    PABs (1)     140       (142 )      (2 ) 

Foreign currency swaps:

   Foreign-denominated fixed maturity securities     14       (14 )      —  
    Foreign-denominated PABs (2)     9       (20 )      (11 ) 

Foreign currency

forwards:

   Foreign-denominated fixed maturity securities     —       —       —  
       

 

 

    

 

 

    

 

 

  

Total

   $ 149     $ (160 )    $ (11 ) 
       

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2009:

                        

Interest rate swaps:

   Fixed maturity securities   $ 49     $ (42 )    $ 7  
    PABs (1)     (963 )      951       (12 ) 

Foreign currency swaps:

   Foreign-denominated fixed maturity securities     (13 )      10       (3 ) 
    Foreign-denominated PABs (2)     462       (449 )      13  

Foreign currency

forwards:

   Foreign-denominated fixed maturity securities     —       —       —  
       

 

 

    

 

 

    

 

 

  

Total

   $ (465 )    $ 470     $ 5  
       

 

 

    

 

 

    

 

 

  

 

 

(1)

Fixed rate liabilities.

 

(2)

Fixed rate or floating rate liabilities.

Derivatives and Non-Derivative Hedging Instruments in Net Investment Hedging Relationships
                                                 

Derivatives and Non-Derivative Hedging
Instruments in Net Investment Hedging
Relationships (1), (2)

   Amount of Gains (Losses)
Deferred in Accumulated
Other Comprehensive Income (Loss)
(Effective Portion)		     Amount and Location
of Gains (Losses)
Reclassified From Accumulated Other
Comprehensive Income
(Loss) into Income (Loss)
(Effective Portion)		  
    Net Investment Gains (Losses)  
  Years Ended December 31,     Years Ended December 31,  
      2011           2010           2009         2011     2010     2009  
    (In millions)  

Foreign currency forwards

   $ 62     $ (167 )    $ (244 )    $ —     $ —     $ (59 ) 

Foreign currency swaps

     —       —       (18 )      —       —       (63 ) 

Non-derivative hedging instruments

     6       (16 )      (37 )      —       —       (11 ) 
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 68     $ (183 )    $ (299 )    $ —     $ —     $ (133 ) 
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

 

 

(1)

During the year ended December 31, 2011, the Company sold its interest in MSI MetLife, which was a hedged item in a net investment hedging relationship. As a result, the Company released losses of $71 million from accumulated other comprehensive income (loss) upon the sale. This release did not impact net income for the year ended December 31, 2011 as such losses were considered in the overall impairment evaluation of the investment prior to sale. During the year ended December 31, 2010, there were no sales or substantial liquidations of net investments in foreign operations that would have required the reclassification of gains or losses from accumulated other comprehensive income (loss) into earnings. During the year ended December 31, 2009, the Company substantially liquidated, through assumption reinsurance, the portion of its Canadian operations that was being hedged in a net investment hedging relationship. As a result, the Company reclassified losses of $133 million from accumulated other comprehensive income (loss) into earnings. See Note 2.

 

(2)

There was no ineffectiveness recognized for the Company’s hedges of net investments in foreign operations. All components of each derivative and non-derivative hedging instrument’s gain or loss were included in the assessment of hedge effectiveness.

Amount and location of gains (losses) recognized in income for derivatives that are not designated or qualifying as hedging instruments
                                         
    Net
Derivative
Gains  (Losses)		     Net
Investment
Income (1)		     Policyholder
Benefits and
Claims (2)		     Other
Revenues (3)		     Other
Expenses (4)		  
    (In millions)  

For the Year Ended December 31, 2011:

                                        

Interest rate swaps

   $ 2,544     $ (2 )    $ —     $ 367     $ —  

Interest rate floors

     517       —       —       —       —  

Interest rate caps

     (228 )      —       —       —       —  

Interest rate futures

     100       1       —       (11 )      —  

Equity futures

     (3 )      (6 )      (99 )      —       —  

Foreign currency swaps

     70       —       —       —       —  

Foreign currency forwards

     310       (9 )      —       —       —  

Currency futures

     32       —       —       —       —  

Currency options

     (69 )      —       —       —       —  

Equity options

     941       (26 )      5       —       —  

Interest rate options

     1,021       —       —       24       —  

Interest rate forwards

     (14 )      —       —       (144 )      —  

Variance swaps

     244       (3 )      7       —       —  

Credit default swaps

     175       5       —       —       —  

Total rate of return swaps

     (4 )      —       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 5,636     $ (40 )    $ (87 )    $ 236     $ —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2010:

                                        

Interest rate swaps

   $ 622     $ 4     $ 39     $ 172     $ —  

Interest rate floors

     144       —       —       —       —  

Interest rate caps

     (185 )      —       —       —       —  

Interest rate futures

     77       (4 )      —       (3 )      —  

Equity futures

     (58 )      (25 )      (314 )      —       —  

Foreign currency swaps

     52       —       —       —       —  

Foreign currency forwards

     250       55       —       —       —  

Currency futures

     (23 )      —       —       —       —  

Currency options

     (83 )      (1 )      —       —       (4 ) 

Equity options

     (683 )      (16 )      —       —       —  

Interest rate options

     25       —       —       (6 )      —  

Interest rate forwards

     8       —       —       (74 )      —  

Variance swaps

     (55 )      —       —       —       —  

Credit default swaps

     34       (2 )      —       —       —  

Total rate of return swaps

     14       —       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 139     $ 11     $ (275 )    $ 89     $ (4 ) 
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2009:

                                        

Interest rate swaps

   $ (1,700 )    $ (5 )    $ (13 )    $ (161 )    $ —  

Interest rate floors

     (907 )      —       —       —       —  

Interest rate caps

     33       —       —       —       —  

Interest rate futures

     (366 )      2       —       —       —  

Equity futures

     (681 )      (38 )      (363 )      —       —  

Foreign currency swaps

     (405 )      —       —       —       —  

Foreign currency forwards

     (102 )      (24 )      —       —       —  

Currency options

     (36 )      (1 )      —       —       (3 ) 

Equity options

     (1,713 )      (68 )      —       —       —  

Interest rate options

     (379 )      —       —       —       —  

Interest rate forwards

     (7 )      —       —       (4 )      —  

Variance swaps

     (276 )      (13 )      —       —       —  

Swap spreadlocks

     (38 )      —       —       —       —  

Credit default swaps

     (243 )      (11 )      —       —       —  

Total rate of return swaps

     63       —       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ (6,757 )    $ (158 )    $ (376 )    $ (165 )    $ (3 ) 
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

 

 

(1)

Changes in estimated fair value related to economic hedges of equity method investments in joint ventures; changes in estimated fair value related to derivatives held in relation to trading portfolios; and changes in estimated fair value related to derivatives held within contractholder-directed unit-linked investments.

 

(2)

Changes in estimated fair value related to economic hedges of variable annuity guarantees included in future policy benefits.

 

(3)

Changes in estimated fair value related to derivatives held in connection with the Company’s mortgage banking activities.

 

(4)

Changes in estimated fair value related to economic hedges of foreign currency exposure associated with the Company’s international subsidiaries.

Schedule of estimated fair value, maximum amount of future payments and weighted average years to maturity of written credit default swaps
                                                 
    December 31,  
    2011     2010  

Rating Agency Designation of Referenced Credit
Obligations (1)

   Estimated
Fair Value
of Credit
Default
Swaps		     Maximum
Amount
of Future
Payments under
Credit Default
Swaps (2)		     Weighted
Average
Years to
Maturity (3)		     Estimated
Fair Value
of Credit
Default
Swaps		     Maximum
Amount
of Future
Payments under
Credit Default
Swaps (2)		     Weighted
Average
Years to
Maturity (3)		  
                  (In millions)                     (In millions)  

Aaa/Aa/A

                                                

Single name credit default swaps (corporate)

   $ 5     $ 737       3.5     $ 5     $ 470       3.8  

Credit default swaps referencing indices

     (1 )      2,813       3.0       45       2,928       3.7  
   

 

 

    

 

 

            

 

 

    

 

 

          

Subtotal

     4       3,550       3.1       50       3,398       3.7  
   

 

 

    

 

 

            

 

 

    

 

 

          

Baa

                                                

Single name credit default swaps (corporate)

     (17 )      1,234       4.0       5       735       4.3  

Credit default swaps referencing indices

     (26 )      2,847       4.9       7       931       5.0  
   

 

 

    

 

 

            

 

 

    

 

 

          

Subtotal

     (43 )      4,081       4.6       12       1,666       4.7  
   

 

 

    

 

 

            

 

 

    

 

 

          

Ba

                                                

Single name credit default swaps (corporate)

     —       25       3.5       —       25       4.4  

Credit default swaps referencing indices

     —       —       —       —       —       —  
   

 

 

    

 

 

            

 

 

    

 

 

          

Subtotal

     —       25       3.5       —       25       4.4  
   

 

 

    

 

 

            

 

 

    

 

 

          

B

                                                

Single name credit default swaps (corporate)

     —       —       —       —       —       —  

Credit default swaps referencing indices

     (2 )      25       4.8       —       —       —  
   

 

 

    

 

 

            

 

 

    

 

 

          

Subtotal

     (2 )      25       4.8       —       —       —  
   

 

 

    

 

 

            

 

 

    

 

 

          

Total

   $ (41 )    $ 7,681       3.9     $ 62     $ 5,089       4.1  
   

 

 

    

 

 

            

 

 

    

 

 

          

 

 

(1)

The rating agency designations are based on availability and the midpoint of the applicable ratings among Moody’s Investors Service, S&P and Fitch Ratings. If no rating is available from a rating agency, then an internally developed rating is used.

 

(2)

Assumes the value of the referenced credit obligations is zero.

 

(3)

The weighted average years to maturity of the credit default swaps is calculated based on weighted average notional amounts.

Derivatives, Fair Value [Line Items]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
                                                     
        December 31,  
        2011     2010  

Primary Underlying

Risk Exposure

  

Instrument Type

   Notional
Amount		     Estimated Fair
Value (1)		     Notional
Amount		     Estimated Fair
Value (1)		  
      Assets     Liabilities       Assets     Liabilities  
        (In millions)  

Interest rate

  

Interest rate swaps

   $ 79,733     $ 8,241     $ 2,199     $ 54,803     $ 2,654     $ 1,516  
   

Interest rate floors

     23,866       1,246       165       23,866       630       66  
   

Interest rate caps

     49,665       102       —       35,412       176       1  
   

Interest rate futures

     14,965       25       19       9,385       43       17  
   

Interest rate options

     16,988       896       6       8,761       144       23  
   

Interest rate forwards

     14,033       286       91       10,374       106       135  
   

Synthetic GICs

     4,454       —       —       4,397       —       —  

Foreign currency

  

Foreign currency swaps

     16,461       1,172       1,060       17,626       1,616       1,282  
   

Foreign currency forwards

     10,149       200       60       10,443       119       91  
   

Currency futures

     633       —       —       493       2       —  
   

Currency options

     1,321       6       —       5,426       50       —  
   

Non-derivative hedging instruments (2)

     —       —       —       169       —       185  

Credit

  

Credit default swaps

     13,136       326       113       10,957       173       104  
   

Credit forwards

     20       4       —       90       2       3  

Equity market

  

Equity futures

     7,053       26       10       8,794       21       9  
   

Equity options

     17,099       3,263       179       33,688       1,843       1,197  
   

Variance swaps

     18,801       397       75       18,022       198       118  
   

Total rate of return swaps

     1,644       10       34       1,547       —       —  
       

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  
   

Total

   $ 290,021     $ 16,200     $ 4,011     $ 254,253     $ 7,777     $ 4,747  
       

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

 

 

(1)

The estimated fair value of all derivatives in an asset position is reported within other invested assets in the consolidated balance sheets and the estimated fair value of all derivatives in a liability position is reported within other liabilities in the consolidated balance sheets.

 

(2)

The estimated fair value of non-derivative hedging instruments represents the amortized cost of the instruments, as adjusted for foreign currency transaction gains or losses. Non-derivative hedging instruments are reported within PABs in the consolidated balance sheets.

Derivative Instruments, Gain (Loss) [Line Items]  
Components of Net Derivatives Gains (Losses)
                         
     Years Ended December 31,  
     2011     2010     2009  
    (In millions)  

Derivatives and hedging gains (losses) (1)

   $ 6,108     $ 122     $ (6,624 ) 

Embedded derivatives

     (1,284 )      (387 )      1,758  
   

 

 

    

 

 

    

 

 

  

Total net derivative gains (losses)

   $ 4,824     $ (265 )    $ (4,866 ) 
   

 

 

    

 

 

    

 

 

  

 

 

(1)

Includes foreign currency transaction gains (losses) on hedged items in cash flow and non-qualifying hedging relationships, which are not presented elsewhere in this note.

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
                                                 

Derivatives in Cash Flow
Hedging Relationships

   Amount of Gains
(Losses) Deferred
in Accumulated Other
Comprehensive  Income
(Loss) on Derivatives		     Amount and Location
of Gains (Losses)
Reclassified from
Accumulated Other Comprehensive
Income (Loss) into Income (Loss)		     Amount and Location
of Gains (Losses)
Recognized in Income (Loss)
on Derivatives		  
    (Effective Portion)     (Effective Portion)     (Ineffective Portion and
Amount Excluded from
Effectiveness Testing)		  
          Net Derivative
Gains (Losses)		     Net Investment
Income		     Other
Expenses		     Net Derivative
Gains (Losses)		     Net Investment
Income		  
    (In millions)  

For the Year Ended December 31, 2011:

                                                

Interest rate swaps

   $ 1,023     $ (42 )    $ 1     $ (10 )    $ 1     $ —  

Foreign currency swaps

     175       —       (6 )      2       2       —  

Interest rate forwards

     336       31       1       (1 )      2       —  

Credit forwards

     18       2       1       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 1,552     $ (9 )    $ (3 )    $ (9 )    $ 5     $ —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2010:

                                                

Interest rate swaps

   $ 13     $ —     $ —     $ (1 )    $ 3     $ —  

Foreign currency swaps

     34       (79 )      (6 )      2       —       —  

Interest rate forwards

     (117 )      14       2       —       (2 )      —  

Credit forwards

     19       —       —       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ (51 )    $ (65 )    $ (4 )    $ 1     $ 1     $ —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

For the Year Ended December 31, 2009:

                                                

Interest rate swaps

   $ (45 )    $ —     $ —     $ (4 )    $ (2 )    $ —  

Foreign currency swaps

     (319 )      (133 )      (6 )      1       (1 )      —  

Interest rate forwards

     147       79       —       —       —       —  

Credit forwards

     (4 )      —       —       —       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ (221 )    $ (54 )    $ (6 )    $ (3 )    $ (3 )    $ —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  
Schedule of Derivative Instruments [Table Text Block]
                                         
           Estimated Fair Value of
Collateral Provided:		     Fair Value of Incremental
Collateral Provided Upon:		  
     Estimated
Fair Value (1) of
Derivatives in Net
Liability Position		     Fixed Maturity
Securities (2)		     Cash (3)     One Notch
Downgrade
in the
Company’s
Credit
Rating		     Downgrade in the
Company’s Credit Rating
to a Level that Triggers
Full Overnight
Collateralization or
Termination of
the Derivative Position		  
    (In millions)  

December 31, 2011:

                                        

Derivatives subject to credit-contingent provisions

   $ 447     $ 405     $ 4     $ 48     $ 104  

Derivatives not subject to credit-contingent provisions

     28       11       4       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 475     $ 416     $ 8     $ 48     $ 104  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

December 31, 2010:

                                        

Derivatives subject to credit-contingent provisions

   $ 1,167     $ 1,024     $ —     $ 99     $ 231  

Derivatives not subject to credit-contingent provisions

     22       —       43       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total

   $ 1,189     $ 1,024     $ 43     $ 99     $ 231  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

 

 

(1)

After taking into consideration the existence of netting agreements.

 

(2)

Included in fixed maturity securities in the consolidated balance sheets. Subject to certain constraints, the counterparties are permitted by contract to sell or repledge this collateral.

 

(3)

Included in premiums, reinsurance and other receivables in the consolidated balance sheets.

Other Comprehensive Income (Loss) [Member]
  
Derivative Instruments, Gain (Loss) [Line Items]  
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
                         
    Years Ended December 31,  
    2011     2010     2009  
    (In millions)  

Accumulated other comprehensive income (loss), balance at January 1,

   $ (59 )    $ (76 )    $ 82  

Gains (losses) deferred in other comprehensive income (loss) on the effective portion of cash flow hedges

     1,552       (51 )      (221 ) 

Amounts reclassified to net derivative gains (losses)

     9             65             54  

Amounts reclassified to net investment income

     3       4       8  

Amounts reclassified to other expenses

     9       (1 )      3  

Amortization of transition adjustment

     —       —       (2 ) 
   

 

 

    

 

 

    

 

 

  

Accumulated other comprehensive income (loss), balance at December 31,

   $   1,514     $ (59 )    $ (76 ) 
   

 

 

    

 

 

    

 

 

  
Embedded Derivative Financial Instruments [Member]
  
Derivative Instruments, Gain (Loss) [Line Items]  
Components of Net Derivatives Gains (Losses)
                         
     Years Ended December 31,  
     2011     2010     2009  
    (In millions)  

Net derivative gains (losses) (1)

   $ (1,284 )    $ (387 )    $ 1,758  

Policyholder benefits and claims

   $         86     $ 8     $ (114 ) 

 

 

(1)

The valuation of guaranteed minimum benefits includes an adjustment for nonperformance risk. The amounts included in net derivative gains (losses), in connection with this adjustment, were $1.8 billion, ($96) million and ($1.9) billion, for the years ended December 31, 2011, 2010 and 2009, respectively.

Schedule of Derivative Instruments [Table Text Block]
                 
     December 31,  
     2011     2010  
    (In millions)  

Net embedded derivatives within asset host contracts:

                

Ceded guaranteed minimum benefits

   $ 327     $ 185  

Funds withheld on assumed reinsurance

     35       —  

Options embedded in debt or equity securities

     (70 )      (57 ) 

Other

     1       —  
   

 

 

    

 

 

  

Net embedded derivatives within asset host contracts

   $ 293     $ 128  
   

 

 

    

 

 

  

Net embedded derivatives within liability host contracts:

                

Direct guaranteed minimum benefits

   $ 2,104     $ 370  

Funds withheld on ceded reinsurance

     122       66  

Assumed guaranteed minimum benefits (1)

         2,340           2,186  

Other

     18       12  
   

 

 

    

 

 

  

Net embedded derivatives within liability host contracts

   $ 4,584     $ 2,634  
   

 

 

    

 

 

  

 

 

(1)

Assumed reinsurance of guaranteed minimum benefits related to GMWBs and GMABs of MSI MetLife, which was sold during the second quarter of 2011, have been separately presented in the current period. See Note 2. Comparative prior year balances, which were previously presented in direct guaranteed minimum benefits, have been conformed to the current period presentation.

Derivatives Designated as Hedging Instruments [Member]
  
Derivatives, Fair Value [Line Items]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
                                                 
    December 31,  
    2011     2010  
     Notional
Amount		     Estimated Fair Value     Notional
Amount		     Estimated Fair Value  

Derivatives Designated as Hedging Instruments

     Assets     Liabilities       Assets     Liabilities  
    (In millions)  

Fair value hedges:

                                                

Foreign currency swaps

   $ 3,220     $ 500     $ 98     $ 4,524     $ 907     $ 145  

Foreign currency forwards

     1,830       2       10       —       —       —  

Interest rate swaps

     4,580       1,884       92       5,108       823       169  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Subtotal

     9,630       2,386       200       9,632       1,730       314  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Cash flow hedges:

                                                

Foreign currency swaps

     6,370       352       306       5,556       213       347  

Interest rate swaps

     3,230       947       —       3,562       102       116  

Interest rate forwards

     965       210       —       1,140       —       107  

Credit forwards

     20       4       —       90       2       3  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Subtotal

     10,585       1,513       306       10,348       317       573  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Foreign operations hedges:

                                                

Foreign currency forwards

     1,689       53       12       1,935       9       26  

Non-derivative hedging instruments

     —       —       —       169       —       185  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Subtotal

     1,689       53       12       2,104       9       211  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total qualifying hedges

   $ 21,904     $ 3,952     $ 518     $ 22,084     $ 2,056     $ 1,098  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  
Derivatives Not Designated or Not Qualifying as Hedging Instruments [Member]
  
Derivatives, Fair Value [Line Items]  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
                                                 
     December 31,  
     2011     2010  

Derivatives Not Designated or Not

Qualifying as Hedging Instruments

   Notional
Amount		     Estimated Fair Value     Notional
Amount		     Estimated Fair Value  
    Assets     Liabilities       Assets     Liabilities  
    (In millions)  

Interest rate swaps

   $ 71,923     $ 5,410     $ 2,107     $ 46,133     $ 1,729     $ 1,231  

Interest rate floors

     23,866       1,246       165       23,866       630       66  

Interest rate caps

     49,665       102       —       35,412       176       1  

Interest rate futures

     14,965       25       19       9,385       43       17  

Interest rate options

     16,988       896       6       8,761       144       23  

Interest rate forwards

     13,068       76       91       9,234       106       28  

Synthetic GICs

     4,454       —       —       4,397       —       —  

Foreign currency swaps

     6,871       320       656       7,546       496       790  

Foreign currency forwards

     6,630       145       38       8,508       110       65  

Currency futures

     633       —       —       493       2       —  

Currency options

     1,321       6       —       5,426       50       —  

Credit default swaps

     13,136       326       113       10,957       173       104  

Equity futures

     7,053       26       10       8,794       21       9  

Equity options

     17,099       3,263       179       33,688       1,843       1,197  

Variance swaps

     18,801       397       75       18,022       198       118  

Total rate of return swaps

     1,644       10       34       1,547       —       —  
   

 

 

    

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Total non-designated or non-qualifying derivatives

   $ 268,117     $ 12,248     $ 3,493     $ 232,169     $ 5,721     $ 3,649