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Investments
12 Months Ended
Dec. 31, 2012
Notes to Financial Statements [Abstract]  
Investments

5. Investments

 

AFS Securities

 

Pursuant to the Fair Value Measurements and Disclosures Topic of the FASB ASC, we have categorized AFS securities into a three-level hierarchy, based on the priority of the inputs to the respective valuation technique. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3), as described in Note 1, which also includes additional disclosures regarding our fair value measurements.

 

The amortized cost, gross unrealized gains, losses and OTTI and fair value of AFS securities (in millions) were as follows:

          As of December 31, 2012
          Amortized Gross Unrealized Fair
          Cost Gains Losses OTTI Value
Fixed maturity securities:              
 Corporate bonds$ 60,124 $ 8,219 $ 219 $ 108 $ 68,016
 U.S. government bonds  383   59   -   -   442
 Foreign government bonds  562   92   -   -   654
 RMBS  5,763   471   3   60   6,171
 CMBS  970   68   16   19   1,003
 CDOs  189   2   3   8   180
 State and municipal bonds  3,546   814   7   -   4,353
 Hybrid and redeemable preferred securities  1,181   106   70   -   1,217
 VIEs' fixed maturity securities  677   31   -   -   708
  Total fixed maturity securities  73,395   9,862   318   195   82,744
Equity securities  137   22   2   -   157
   Total AFS securities $ 73,532 $ 9,884 $ 320 $ 195 $ 82,901

          As of December 31, 2011
          Amortized Gross Unrealized Fair
          Cost Gains Losses OTTI Value
Fixed maturity securities:              
 Corporate bonds$ 53,661 $ 6,185 $ 517 $ 68 $ 59,261
 U.S. government bonds  439   55   -   -   494
 Foreign government bonds  668   65   -   -   733
 RMBS  7,690   548   73   126   8,039
 CMBS  1,642   73   106   9   1,600
 CDOs  121   -   19   -   102
 State and municipal bonds  3,490   566   9   -   4,047
 Hybrid and redeemable preferred securities  1,277   50   170   -   1,157
 VIEs' fixed maturity securities  673   27   -   -   700
  Total fixed maturity securities  69,661   7,569   894   203   76,133
Equity securities  135   16   12   -   139
   Total AFS securities $ 69,796 $ 7,585 $ 906 $ 203 $ 76,272

The amortized cost and fair value of fixed maturity AFS securities by contractual maturities (in millions) as of December 31, 2012, were as follows:

       Amortized Fair 
       Cost Value 
Due in one year or less$ 2,858 $ 2,910 
Due after one year through five years  12,676   13,845 
Due after five years through ten years  24,171   27,098 
Due after ten years  26,768   31,537 
 Subtotal  66,473   75,390 
MBS  6,733   7,174 
CDOs  189   180 
  Total fixed maturity AFS securities $ 73,395 $ 82,744 

Actual maturities may differ from contractual maturities because issuers may have the right to call or pre-pay obligations.

 

The fair value and gross unrealized losses, including the portion of OTTI recognized in OCI, of AFS securities (dollars in millions), aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows:

 

          As of December 31, 2012
          Less Than or Equal Greater Than  
          to Twelve Months Twelve Months Total
            Gross    Gross    Gross
            Unrealized   Unrealized   Unrealized
          Fair Losses and Fair Losses and Fair Losses and
          Value OTTI Value OTTI Value OTTI
Fixed maturity securities:                 
 Corporate bonds$ 2,853 $ 145 $ 934 $ 182 $ 3,787 $ 327
 RMBS  272   39   199   24   471   63
 CMBS  66   16   113   19   179   35
 CDOs  10   8   53   3   63   11
 State and municipal bonds  64   1   24   6   88   7
 Hybrid and redeemable                  
  preferred securities  71   3   293   67   364   70
   Total fixed maturity securities  3,336   212   1,616   301   4,952   513
Equity securities  7   2   -   -   7   2
    Total AFS securities$ 3,343 $ 214 $ 1,616 $ 301 $ 4,959 $ 515
                           
Total number of AFS securities in an unrealized loss position   626

          As of December 31, 2011
          Less Than or Equal Greater Than  
          to Twelve Months Twelve Months Total
            Gross    Gross    Gross
            Unrealized   Unrealized   Unrealized
          Fair Losses and Fair Losses and Fair Losses and
          Value OTTI Value OTTI Value OTTI
Fixed maturity securities:                 
 Corporate bonds$ 2,848 $ 162 $ 1,452 $ 423 $ 4,300 $ 585
 RMBS  565   125   429   74   994   199
 CMBS  178   15   146   100   324   115
 CDOs  9   1   80   18   89   19
 State and municipal bonds  31   -   30   9   61   9
 Hybrid and redeemable                  
  preferred securities  324   23   353   147   677   170
   Total fixed maturity securities  3,955   326   2,490   771   6,445   1,097
Equity securities  38   12   -   -   38   12
    Total AFS securities$ 3,993 $ 338 $ 2,490 $ 771 $ 6,483 $ 1,109
                           
Total number of AFS securities in an unrealized loss position   897

For information regarding our investments in VIEs, see Note 4.

 

We perform detailed analysis on the AFS securities backed by pools of residential and commercial mortgages that are most at risk of impairment based on factors discussed in Note 1. Selected information for these securities in a gross unrealized loss position (in millions) was as follows:

     As of December 31, 2012
     Amortized Fair Unrealized
     Cost Value Loss
Total        
AFS securities backed by pools of residential mortgages$ 1,181 $ 980 $ 201
AFS securities backed by pools of commercial mortgages  236   192   44
 Total$ 1,417 $ 1,172 $ 245
             
Subject to Detailed Analysis        
AFS securities backed by pools of residential mortgages$ 1,173 $ 972 $ 201
AFS securities backed by pools of commercial mortgages  56   40   16
 Total$ 1,229 $ 1,012 $ 217

     As of December 31, 2011
     Amortized Fair Unrealized
     Cost Value Loss
Total        
AFS securities backed by pools of residential mortgages$ 2,023 $ 1,553 $ 470
AFS securities backed by pools of commercial mortgages  472   344   128
 Total$ 2,495 $ 1,897 $ 598
             
Subject to Detailed Analysis        
AFS securities backed by pools of residential mortgages$ 2,015 $ 1,545 $ 470
AFS securities backed by pools of commercial mortgages  126   61   65
 Total$ 2,141 $ 1,606 $ 535

For the years ended December 31, 2012 and 2011, we recorded OTTI for AFS securities backed by pools of residential and commercial mortgages of $103 million and $135 million, pre-tax, respectively, and before associated amortization expense for DAC, VOBA, DSI and DFEL, of which $(45) million and $(15) million, respectively, was recognized in OCI and $148 million and $150 million, respectively, was recognized in net income (loss).

 

The fair value, gross unrealized losses, the portion of OTTI recognized in OCI (in millions) and number of AFS securities where the fair value had declined and remained below amortized cost by greater than 20% were as follows:

      As of December 31, 2012 
               Number
      Fair Gross Unrealized of
      Value Losses OTTI Securities (1)
Less than six months$ 34 $ 9 $ 1   14 
Nine months or greater, but less than twelve months  15   10   -   3 
Twelve months or greater  395   179   128   131 
 Total$ 444 $ 198 $ 129   148 

      As of December 31, 2011 
               Number
      Fair Gross Unrealized of
      Value Losses OTTI Securities (1)
Less than six months$ 385 $ 125 $ 31   56 
Six months or greater, but less than nine months  53   30   12   18 
Nine months or greater, but less than twelve months  2   -   1   7 
Twelve months or greater  615   470   111   175 
 Total$ 1,055 $ 625 $ 155   256 

  • We may reflect a security in more than one aging category based on various purchase dates.

 

We regularly review our investment holdings for OTTI. Our gross unrealized losses on AFS securities as of December 31, 2012, decreased $594 million in comparison to December 31, 2011. As discussed further below, we believe the unrealized loss position as of December 31, 2012, did not represent OTTI as we did not intend to sell these fixed maturity AFS securities, it is not more likely than not that we will be required to sell the fixed maturity AFS securities before recovery of their amortized cost basis, the estimated future cash flows were equal to or greater than the amortized cost basis of the debt securities, or we had the ability and intent to hold the equity AFS securities for a period of time sufficient for recovery.

 

Based upon this evaluation as of December 31, 2012, management believes we have the ability to generate adequate amounts of cash from our normal operations (e.g., insurance premiums and fees and investment income) to meet cash requirements with a prudent margin of safety without requiring the sale of our temporarily-impaired securities.

 

As of December 31, 2012, the unrealized losses associated with our corporate bond securities were attributable primarily to securities that were backed by commercial loans and individual issuer companies. For our corporate bond securities with commercial loans as the underlying collateral, we evaluated the projected credit losses in the underlying collateral and concluded that we had sufficient subordination or other credit enhancement when compared with our estimate of credit losses for the individual security and we expected to recover the entire amortized cost for each security. For individual issuers, we performed detailed analysis of the financial performance of the issuer and determined that we expected to recover the entire amortized cost for each security.

 

As of December 31, 2012, the unrealized losses associated with our MBS and CDOs were attributable primarily to collateral losses and credit spreads. We assessed for credit impairment using a cash flow model as discussed above. The key assumptions included default rates, severities and prepayment rates. We estimated losses for a security by forecasting the underlying loans in each transaction. The forecasted loan performance was used to project cash flows to the various tranches in the structure, as applicable. Our forecasted cash flows also considered, as applicable, independent industry analyst reports and forecasts, sector credit ratings and other independent market data. Based upon our assessment of the expected credit losses of the security given the performance of the underlying collateral compared to our subordination or other credit enhancement, we expected to recover the entire amortized cost basis of each security.

 

As of December 31, 2012, the unrealized losses associated with our hybrid and redeemable preferred securities were attributable primarily to wider credit spreads caused by illiquidity in the market and subordination within the capital structure, as well as credit risk of specific issuers. For our hybrid and redeemable preferred securities, we evaluated the financial performance of the issuer based upon credit performance and investment ratings and determined we expected to recover the entire amortized cost of each security.

 

Changes in the amount of credit loss of OTTI recognized in net income (loss) where the portion related to other factors was recognized in OCI (in millions) on fixed maturity AFS securities were as follows:

         For the Years Ended December 31,
         2012 2011 2010
Balance as of beginning-of-year$ 390 $ 319 $ 268
 Increases attributable to:        
  Credit losses on securities for which an OTTI was not         
   previously recognized  108   55   14
  Credit losses on securities for which an OTTI was        
   previously recognized  62   71   65
 Decreases attributable to:        
  Securities sold  (136)   (55)   (28)
    Balance as of end-of-year$ 424 $ 390 $ 319

During 2012, 2011 and 2010, we recorded credit losses on securities for which an OTTI was not previously recognized as we determined the cash flows expected to be collected would not be sufficient to recover the entire amortized cost basis of the debt security. The credit losses we recorded on securities for which an OTTI was not previously recognized were attributable primarily to one or a combination of the following reasons:

 

  • Failure of the issuer of the security to make scheduled payments;
  • Deterioration of creditworthiness of the issuer;
  • Deterioration of conditions specifically related to the security;
  • Deterioration of fundamentals of the industry in which the issuer operates;
  • Deterioration of fundamentals in the economy including, but not limited to, higher unemployment and lower housing prices; and
  • Deterioration of the rating of the security by a rating agency.

 

We recognize the OTTI attributed to the noncredit portion as a separate component in OCI referred to as unrealized OTTI on AFS securities.

 

Details of the amount of credit loss of OTTI recognized in net income (loss) for which a portion related to other factors was recognized in OCI (in millions), were as follows:

     As of December 31, 2012
       Gross Unrealized   OTTI in
     Amortized   Losses and Fair Credit
     Cost Gains OTTI Value Losses
Corporate bonds$ 299 $ 4 $ 98 $ 205 $ 104
RMBS  636   22   40   618   227
CMBS  41   1   16   26   93
 Total$ 976 $ 27 $ 154 $ 849 $ 424

     As of December 31, 2011
       Gross Unrealized   OTTI in
     Amortized   Losses and Fair Credit
     Cost Gains OTTI Value Losses
Corporate bonds$ 169 $ 1 $ 67 $ 103 $ 51
RMBS  690   1   128   563   301
CMBS  17   -   10   7   38
 Total$ 876 $ 2 $ 205 $ 673 $ 390

Trading Securities

 

Trading securities at fair value (in millions) consisted of the following:

            As of December 31,
            2012 2011
Fixed maturity securities:     
 Corporate bonds$ 1,929 $ 1,908
 U.S. government bonds  310   376
 Foreign government bonds  31   39
 RMBS  192   244
 CMBS  17   31
 CDOs  4   4
 State and municipal bonds  27   26
 Hybrid and redeemable preferred securities  42   45
  Total fixed maturity securities  2,552   2,673
Equity securities  2   2
   Total trading securities$ 2,554 $ 2,675

The portion of the market adjustment for losses that relate to trading securities still held as of December 31, 2012, 2011 and 2010, was $53 million, $118 million and $93 million, respectively.

 

Mortgage Loans on Real Estate

 

Mortgage loans on real estate principally involve commercial real estate. The commercial loans are geographically diversified throughout the U.S. with the largest concentrations in California and Texas, which accounted for 32% of mortgage loans on real estate as of December 31, 2012 and 2011.

 

The following provides the current and past due composition of our mortgage loans on real estate (in millions):

       As of December 31,
       2012 2011
Current$ 7,011 $ 6,858
60 to 90 days past due  8   26
Greater than 90 days past due  24   76
Valuation allowance associated with impaired mortgage loans on real estate  (21)   (31)
Unamortized premium (discount)  7   13
 Total carrying value$ 7,029 $ 6,942

The number of impaired mortgage loans on real estate, each of which had an associated specific valuation allowance, and the carrying value of impaired mortgage loans on real estate (dollars in millions) were as follows:

 

       As of December 31,
       2012 2011
Number of impaired mortgage loans on real estate 10  12
            
Principal balance of impaired mortgage loans on real estate$ 75 $ 100
Valuation allowance associated with impaired mortgage loans on real estate  (21)   (31)
 Carrying value of impaired mortgage loans on real estate$ 54 $ 69

The average carrying value on the impaired mortgage loans on real estate (in millions) was as follows:

      For the Years Ended December 31,
      2012 2011 2010
Average carrying value for impaired mortgage loans on real estate$ 51 $ 57 $ 54
Interest income recognized on impaired mortgage loans on real estate  1   2   3
Interest income collected on impaired mortgage loans on real estate  1   2   3

As described in Note 1, we use the loan-to-value and debt-service coverage ratios as credit quality indicators for our mortgage loans, which were as follows (dollars in millions):

   As of December 31, 2012 As of December 31, 2011
         Debt-       Debt-
         Service       Service
   Principal % of  Coverage Principal % of  Coverage
Loan-to-ValueAmount Total Ratio Amount Total Ratio
Less than 65%$ 5,677  80.6% 1.68 $ 5,338  76.7% 1.61
65% to 74%  897  12.7% 1.39   1,198  17.2% 1.37
75% to 100%  386  5.5% 0.84   308  4.4% 0.92
Greater than 100%  83  1.2% 0.66   116  1.7% 0.36
 Total mortgage loans on real estate$ 7,043  100.0%   $ 6,960  100.0%  

Alternative Investments 

 

As of December 31, 2012 and 2011, alternative investments included investments in 98 and 96 different partnerships, respectively, and the portfolio represented less than 1% of our overall invested assets.

 

Net Investment Income

 

The major categories of net investment income (in millions) on our Consolidated Statements of Comprehensive Income (Loss) were as follows:

        For the Years Ended December 31,
        2012 2011 2010
Fixed maturity AFS securities$ 3,910 $ 3,842 $ 3,694
Equity AFS securities  6   5   6
Trading securities  147   154   157
Mortgage loans on real estate  397   408   424
Real estate  16   22   24
Standby real estate equity commitments  -   1   1
Policy loans  163   165   169
Invested cash  4   4   7
Commercial mortgage loan prepayment        
 and bond make-whole premiums  48   82   67
Alternative investments  125   90   93
Consent fees  4   3   8
Other investments  (19)   (13)   11
  Investment income  4,801   4,763   4,661
Investment expense  (103)   (111)   (120)
   Net investment income$ 4,698 $ 4,652 $ 4,541

Realized Gain (Loss) Related to Certain Investments

 

The detail of the realized gain (loss) related to certain investments (in millions) was as follows:

        For the Years Ended December 31, 
        2012 2011 2010 
Fixed maturity AFS securities:         
 Gross gains$ 16 $ 86 $ 107 
 Gross losses  (202)   (227)   (248) 
Equity AFS securities:         
 Gross gains  1   12   9 
 Gross losses  (9)   -   (3) 
Gain (loss) on other investments  2   (9)   (53) 
Associated amortization of DAC, VOBA, DSI and DFEL          
 and changes in other contract holder funds  2   (10)   8 
  Total realized gain (loss) related to certain investments$ (190) $ (148) $ (180) 

Details underlying write-downs taken as a result of OTTI (in millions) that were recognized in net income (loss) and included in realized gain (loss) on AFS securities above, and the portion of OTTI recognized in OCI (in millions) were as follows:

            For the Years Ended December 31, 
            2012 2011 2010 
OTTI Recognized in Net Income (Loss)         
Fixed maturity securities:         
 Corporate bonds$ (65) $ (14) $ (90) 
 RMBS  (53)   (79)   (65) 
 CMBS  (55)   (57)   (41) 
 CDOs  (2)   (1)   (1) 
 Hybrid and redeemable preferred securities  -   (2)   (5) 
  Total fixed maturity securities  (175)   (153)   (202) 
Equity securities  (8)   -   (3) 
   Gross OTTI recognized in net income (loss)  (183)   (153)   (205) 
   Associated amortization of DAC, VOBA, DSI and DFEL  30   29   45 
    Net OTTI recognized in net income (loss), pre-tax$ (153) $ (124) $ (160) 
                     
Portion of OTTI Recognized in OCI         
Gross OTTI recognized in OCI$ 121 $ 58 $ 97 
Change in DAC, VOBA, DSI and DFEL  (15)   (13)   (10) 
 Net portion of OTTI recognized in OCI, pre-tax$ 106 $ 45 $ 87 

Determination of Credit Losses on Corporate Bonds and CDOs

 

As of December 31, 2012 and 2011, we reviewed our corporate bond and CDO portfolios for potential shortfall in contractual principal and interest based on numerous subjective and objective inputs. The factors used to determine the amount of credit loss for each individual security, include, but are not limited to, near term risk, substantial discrepancy between book and market value, sector or company-specific volatility, negative operating trends and trading levels wider than peers.

 

Credit ratings express opinions about the credit quality of a security. Securities rated investment grade, that is those rated BBB- or higher by Standard & Poor's (“S&P”) Rating Services or Baa3 or higher by Moody's Investors Service (“Moody's), are generally considered by the rating agencies and market participants to be low credit risk. As of December 31, 2012 and 2011, 96% of the fair value of our corporate bond portfolio was rated investment grade. As of December 31, 2012 and 2011, the portion of our corporate bond portfolio rated below investment grade had an amortized cost of $3.0 billion and $2.6 billion, respectively, and a fair value of $2.9 billion and $2.4 billion, respectively. As of December 31, 2012 and 2011, 93% and 97%, respectively, of the fair value of our CDO portfolio was rated investment grade. As of December 31, 2012 and 2011, the portion of our CDO portfolio rated below investment grade had an amortized cost of $21 million and $3 million, respectively, and fair value of $13 million and $3 million, respectively. Based upon the analysis discussed above, we believed as of December 31, 2012 and 2011, that we would recover the amortized cost of each investment grade corporate bond and CDO security.

 

For securities where we recorded an OTTI recognized in net income (loss) for the years ended December 31, 2012 and 2011, the recovery as a percentage of amortized cost was 90% and 98% for corporate bonds, respectively, and 90% and 0% for CDOs, respectively.

 

Determination of Credit Losses on MBS

 

As of December 31, 2012 and 2011, default rates were projected by considering underlying MBS loan performance and collateral type. Projected default rates on existing delinquencies vary between 10% to 100% depending on loan type and severity of delinquency status.  In addition, we estimate the potential contributions of currently performing loans that may become delinquent in the future based on the change in delinquencies and loan liquidations experienced in the recent history. Finally, we develop a default rate timing curve by aggregating the defaults for all loans in the pool (delinquent loans, foreclosure and real estate owned and new delinquencies from currently performing loans) and the associated loan-level loss severities

 

We use certain available loan characteristics such as lien status, loan sizes and occupancy to estimate the loss severity of loans. Second lien loans are assigned 100% severity, if defaulted.  For first lien loans, we assume a minimum of 30% severity with higher severity assumed for investor properties and further housing price depreciation. With the default rate timing curve and loan-level loss severity, we derive the future expected credit losses.

 

Payables for Collateral on Investments

 

The carrying values of the payables for collateral on investments (in millions) included on our Consolidated Balance Sheets and the fair value of the related investments or collateral consisted of the following:

 

        As of December 31, 2012 As of December 31, 2011
        Carrying Fair Carrying Fair
        Value Value Value Value
Collateral payable held for derivative investments (1)$ 2,567 $ 2,567 $ 2,980 $ 2,980
Securities pledged under securities lending agreements (2)  197   189   200   193
Securities pledged under reverse repurchase agreements (3)  280   294   280   294
Securities pledged for Term Asset-Backed Securities            
 Loan Facility ("TALF") (4)  37   52   173   199
Investments pledged for Federal Home Loan Bank of           
 Indianapolis ("FHLBI") (5)  1,100   1,936   100   142
  Total payables for collateral on investments$ 4,181 $ 5,038 $ 3,733 $ 3,808

  • We obtain collateral based upon contractual provisions with our counterparties. These agreements take into consideration the counterparties' credit rating as compared to ours, the fair value of the derivative investments and specified thresholds that if exceeded result in the receipt of cash that is typically invested in cash and invested cash. See Note 6 for details about maximum collateral potentially required to post on our credit default swaps.
  • Our pledged securities under securities lending agreements are included in fixed maturity AFS securities on our Consolidated Balance Sheets. We generally obtain collateral in an amount equal to 102% and 105% of the fair value of the domestic and foreign securities, respectively. We value collateral daily and obtain additional collateral when deemed appropriate. The cash received in our securities lending program is typically invested in cash and invested cash or fixed maturity AFS securities.
  • Our pledged securities under reverse repurchase agreements are included in fixed maturity AFS securities on our Consolidated Balance Sheets. We obtain collateral in an amount equal to 95% of the fair value of the securities, and our agreements with third parties contain contractual provisions to allow for additional collateral to be obtained when necessary. The cash received in our reverse repurchase program is typically invested in fixed maturity AFS securities.
  • Our pledged securities for TALF are included in fixed maturity AFS securities on our Consolidated Balance Sheets. We obtain collateral in an amount that has typically averaged 90% of the fair value of the TALF securities. The cash received in these transactions is invested in fixed maturity AFS securities.
  • Our pledged investments for FHLBI are included in fixed maturity AFS securities and mortgage loans on real estate on our Consolidated Balance Sheets.  The collateral requirements are generally 105% to 115% of the fair value for fixed maturity AFS securities and 155% to 175% of the fair value for mortgage loans on real estate.  The cash received in these transactions is primarily invested in cash and invested cash or fixed maturity AFS securities.

 

Increase (decrease) in payables for collateral on investments (in millions) included on the Consolidated Statements of Cash Flows consisted of the following:

 

        For the Years Ended December 31,
        2012 2011 2010
Collateral payable held for derivative investments$ (413) $ 2,180 $ 183
Securities pledged under securities lending agreements  (3)   1   (302)
Securities pledged under reverse repurchase agreements  -   -   (64)
Securities pledged for TALF  (136)   (107)   (65)
Investments pledged for FHLBI  1,000   -   -
 Total increase (decrease) in payables for collateral on investments$ 448 $ 2,074 $ (248)

Investment Commitments

 

As of December 31, 2012, our investment commitments were $536 million, which included $226 million of LPs, $146 million of private placement securities and $164 million of mortgage loans on real estate.

 

Concentrations of Financial Instruments

 

As of December 31, 2012 and 2011, our most significant investments in one issuer were our investments in securities issued by the Federal Home Loan Mortgage Corporation with a fair value of $3.8 billion and $5.0 billion, respectively, or 4% and 5% of our invested assets portfolio, respectively, and our investments in securities issued by Fannie Mae with a fair value of $2.2 billion and $2.6 billion, respectively, or 2% and 3% of our invested assets portfolio, respectively. These investments are included in corporate bonds in the tables above.

 

As of December 31, 2012, our most significant investments in one industry were our investment securities in the electric industry with a fair value of $8.7 billion, or 9% of our invested assets portfolio, and our investment securities in the banking industry with a fair value of $5.0 billion, or 5% of our invested assets portfolio. As of December 31, 2011, our most significant investments in one industry were our investment securities in the electric industry with a fair value of $7.7 billion, or 8% of our invested assets portfolio and our investment securities in the collateralized mortgage and other obligations industry with a fair value of $5.6 billion, or 6% of our invested assets portfolio. We utilized the industry classifications to obtain the concentration of financial instruments amount; as such, this amount will not agree to the AFS securities table above.