XML 84 R118.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value of Financial Instruments - Changes in Fair Value of Financial Instruments (Detail) (USD $)
 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Jul. 31, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value Assets, level 1 to level 2 transfers   $ 0   $ 0
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 206,000,000 546,500,000 627,700,000  
Total Gains (Losses) Included in Earnings (100,000) 40,900,000 4,400,000  
Total Gains (Losses) Included in AOCI (14,000,000) 3,800,000 6,500,000  
Purchases 428,200,000 427,200,000 12,400,000  
Sales (20,300,000) (27,300,000) (64,600,000)  
Settlements (23,300,000) (53,300,000) (22,200,000)  
Net transfer In (Out) of Level 3 (a) (53,000,000) [1] (731,800,000) [2] (17,700,000) [3]  
Balance at End of Period 523,500,000 206,000,000 546,500,000  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 1,782,800,000 1,472,100,000 1,466,700,000  
Total Gains (Losses) Included in Earnings 95,200,000 310,700,000 (97,900,000)  
Total Gains (Losses) Included in AOCI          
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases          
Sales          
Settlements (2,800,000)       
Net transfer In (Out) of Level 3    [1]    [2]    
Balance at End of Period 1,875,200,000 1,782,800,000 1,472,100,000  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 0 30,900,000 [2]    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)     103,300,000  
FIA embedded derivatives, included in contractholder funds
        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 1,550,800,000 1,396,300,000 1,466,300,000  
Total Gains (Losses) Included in Earnings (6,400,000) 154,500,000 (70,000,000)  
Total Gains (Losses) Included in AOCI          
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases          
Sales          
Settlements          
Net transfer In (Out) of Level 3    [1]    [2]    
Balance at End of Period 1,544,400,000 1,550,800,000 1,396,300,000  
Equity conversion feature of preferred stock
        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 232,000,000 75,400,000    
Total Gains (Losses) Included in Earnings 101,600,000 156,600,000 (27,900,000)  
Total Gains (Losses) Included in AOCI          
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases          
Sales          
Settlements (2,800,000)       
Net transfer In (Out) of Level 3    [1]    [2]    
Balance at End of Period 330,800,000 232,000,000 75,400,000  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)     103,300,000  
Available-for-sale embedded derivatives
        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period   400,000 400,000  
Total Gains (Losses) Included in Earnings   (400,000) 0  
Total Gains (Losses) Included in AOCI         
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases         
Sales         
Settlements         
Net transfer In (Out) of Level 3      [2]    
Balance at End of Period      400,000  
Asset-backed securities
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 15,900,000 374,500,000 400,000,000  
Total Gains (Losses) Included in Earnings 0       
Total Gains (Losses) Included in AOCI (200,000) 7,400,000 800,000  
Purchases 0 410,700,000 2,000,000  
Sales          
Settlements (200,000) (38,800,000) (13,700,000)  
Net transfer In (Out) of Level 3 (a) (10,500,000) [1] (737,900,000) [2] (14,600,000) [3]  
Balance at End of Period 5,000,000 15,900,000 374,500,000  
Commercial mortgage-backed securities
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 5,000,000       
Total Gains (Losses) Included in Earnings          
Total Gains (Losses) Included in AOCI (300,000)       
Purchases 1,000,000 5,000,000    
Sales          
Settlements 0       
Net transfer In (Out) of Level 3 (a)    [1]    [2]    
Balance at End of Period 5,700,000 5,000,000    
Corporates
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 135,300,000 159,700,000 197,600,000  
Total Gains (Losses) Included in Earnings (300,000)    2,000,000  
Total Gains (Losses) Included in AOCI (13,400,000) (3,600,000) 5,400,000  
Purchases 406,000,000 1,300,000 10,400,000  
Sales (9,600,000) (26,800,000) (48,900,000)  
Settlements (23,100,000) (14,200,000) (6,700,000)  
Net transfer In (Out) of Level 3 (a) (33,800,000) [1] 18,900,000 [2] (100,000) [3]  
Balance at End of Period 461,100,000 135,300,000 159,700,000  
Hybrids
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 8,800,000 5,200,000 8,300,000  
Total Gains (Losses) Included in Earnings          
Total Gains (Losses) Included in AOCI (100,000) (100,000) (100,000)  
Purchases          
Sales          
Settlements          
Net transfer In (Out) of Level 3 (a) (8,700,000) [1] 3,700,000 [2] (3,000,000) [3]  
Balance at End of Period    8,800,000 5,200,000  
Municipals
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period         
Total Gains (Losses) Included in Earnings         
Total Gains (Losses) Included in AOCI   100,000    
Purchases   10,200,000    
Sales         
Settlements         
Net transfer In (Out) of Level 3 (a)   (10,300,000) [2]    
Balance at End of Period         
Residential Mortgage Backed Securities
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period   3,300,000    
Total Gains (Losses) Included in Earnings         
Total Gains (Losses) Included in AOCI         
Purchases         
Sales         
Settlements         
Net transfer In (Out) of Level 3 (a)   (3,300,000) [2]    
Balance at End of Period         
Non-agency residential mortgage-backed securities
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period   3,800,000 18,500,000  
Total Gains (Losses) Included in Earnings   (100,000) 2,400,000  
Total Gains (Losses) Included in AOCI      400,000  
Purchases         
Sales   (500,000) (15,700,000)  
Settlements   (300,000) (1,800,000)  
Net transfer In (Out) of Level 3 (a)   (2,900,000) [2]    
Balance at End of Period      3,800,000  
Equity Securities Classified As Held For Trading
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 0      
Total Gains (Losses) Included in Earnings 0      
Total Gains (Losses) Included in AOCI         
Purchases 10,700,000      
Sales 0      
Settlements 0      
Net transfer In (Out) of Level 3 (a) 0      
Balance at End of Period 10,700,000      
Equity securities available-for-sale
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 0      
Total Gains (Losses) Included in Earnings 200,000      
Total Gains (Losses) Included in AOCI 0      
Purchases 10,500,000      
Sales (10,700,000)      
Settlements 0      
Net transfer In (Out) of Level 3 (a) 0      
Balance at End of Period 0      
Residential Mortgage Backed Securities
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period     3,300,000  
Total Gains (Losses) Included in AOCI     0  
Balance at End of Period     3,300,000  
Contingent purchase price reduction receivable
        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at Beginning of Period 41,000,000       
Total Gains (Losses) Included in Earnings    41,000,000    
Total Gains (Losses) Included in AOCI          
Purchases          
Sales          
Settlements          
Net transfer In (Out) of Level 3 (a)    [1]    [2]    
Balance at End of Period $ 41,000,000 $ 41,000,000    
[1] The net transfers in and out of Level 3 during the year ended September 30, 2013 were exclusively to or from Level 2.
[2] (a)The net transfers in and out of Level 3 during the year ended September 30, 2012 was exclusively to or from Level 2.
[3] (a)The net transfers in and out of Level 3 during the year ended September 30, 2011 was exclusively to or from Level 2.