XML 87 R41.htm IDEA: XBRL DOCUMENT v2.4.0.8
Loss And Loss Adjustment Expense Reserves (Loss And LAE Activity) (Narrative) (Detail) (USD $)
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
U S Public Finance Insurance [Member]
Jun. 30, 2012
U S Public Finance Insurance [Member]
Jun. 30, 2013
U S Public Finance Insurance [Member]
Jun. 30, 2012
U S Public Finance Insurance [Member]
Jun. 30, 2013
Abs Cdo Portfolio [Member]
Jun. 30, 2013
Insured Issues Designated As Classified List [Member]
Variable Interest Entity Primary Beneficiary [Member]
issue
Jun. 30, 2013
Rmbs And Heloc And Ces [Member]
Jun. 30, 2013
Second Lien Residential Mortgage Backed Securities And Reserves [Member]
Jun. 30, 2013
Financial Guarantee [Member]
Jun. 30, 2013
Financial Guarantee [Member]
Variable Interest Entity Primary Beneficiary [Member]
Jun. 30, 2013
Loss And Lae Reserves [Member]
Dec. 31, 2012
Loss And Lae Reserves [Member]
Jun. 30, 2013
Recoveries On Unpaid Losses [Member]
Dec. 31, 2012
Recoveries On Unpaid Losses [Member]
Jun. 30, 2013
Insurance Loss Recoverable [Member]
Dec. 31, 2012
Insurance Loss Recoverable [Member]
Jun. 30, 2013
Insurance Loss Recoverable [Member]
Classified [Member]
Dec. 31, 2012
Insurance Loss Recoverable [Member]
Classified [Member]
Loss And Loss Adjustment Expense Reserves [Line Items]                                            
ABS CDO exposure decrease since December 31,2007                 96.00%                          
Aggregate ABS CDO Loss And LAE Reserves                         $ 86,000,000 $ 210,000,000                
Policyholder (Benefits) And Claims Incurred Net 188,000,000 62,000,000 (6,000,000) 159,000,000 66,000,000 (3,000,000) 70,000,000 11,000,000 (48,000,000)     (120,000,000)                    
Elimination Of Loss And LAE Expense As Result Of Consolidating VIE                 26,000,000                          
Reduction of excess interest cash flows from securitizations                     97,000,000                      
Losses and loss adjustment expense payments, net of reinsurance     223,000,000               152,000,000                      
Decrease in insurance loss recoverable related to paid losses     2,700,000,000                                      
Reserves for expected future claim payments                             1,200,000,000 1,200,000,000            
Expected recoveries of future payments                             397,000,000 332,000,000 397,000,000 332,000,000        
Number of insured issues reviewed                   11                        
Weighted average risk-free rate used to discount claim liability     1.98%                                      
Total Estimated Ineligible Loan Recoveries                       1,100,000,000                 902,000,000 3,610,000,000
Insurance loss recoverable                       18,000,000             907,000,000 3,648,000,000 907,000,000 3,648,000,000
Loan repurchase commitments                       1,100,000,000                    
Loss and loss adjustment expense collections, net of reinsurance 2,900,000,000   2,900,000,000               2,800,000,000                      
Losses and LAE related to actual and expected payments     $ 211,000,000       $ 110,000,000         $ 99,000,000