XML 75 R61.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loss And Loss Adjustment Expense Reserves (Schedule Of Insurance Loss Recoverable And Changes In Recoveries On Unpaid Losses) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Loss And Loss Adjustment Expense Recoveries [Line Items]    
Gross Reserve beginning balance, Insurance loss recoverable $ 504 $ 577 [1]
Gross Reserve beginning balance, Total 583 677
Collections for Cases with Recoveries (124) (69)
Accretion of Recoveries 11 6
Changes in Discount Rates 3 (14)
Changes in Assumptions 68 52
Changes in LAE Recoveries (1) 3
Other [2] 6 (72)
Gross Reserve ending balance, Insurance loss recoverable 511 504
Gross Reserve ending balance, Total 546 583
Insurance Loss Recoverable [Member]    
Loss And Loss Adjustment Expense Recoveries [Line Items]    
Gross Reserve beginning balance, Insurance loss recoverable 504 577
Collections for Cases with Recoveries (124) (69)
Accretion of Recoveries 10 5
Changes in Discount Rates 2 (17)
Changes in Assumptions 113 [3] 86
Changes in LAE Recoveries 0 (6)
Other [2] 6 (72)
Gross Reserve ending balance, Insurance loss recoverable 511 504
Recoveries On Unpaid Losses [Member]    
Loss And Loss Adjustment Expense Recoveries [Line Items]    
Gross Reserve beginning balance,Recoveries on unpaid losses 79 [1] 100
Collections for Cases with Recoveries 0 0
Accretion of Recoveries 1 [4] 1 [1]
Changes in Discount Rates [1] 1 3
Changes in Assumptions [1] (45) (34)
Changes in LAE Recoveries [1] (1) 9
Other 0 0 [2]
Gross Reserve ending balance, Recoveries on unpaid losses [1] $ 35 $ 79
[1]
As of December 31, 2017 and December 31, 2016, excludes Puerto Rico recoveries, and as of December 31, 2016, the Zohar II recoveries, which have been netted against reserves.
[2]
Primarily changes in amount and timing of collections.
[3]
Includes amounts which have been paid and are expected to be recovered in the future.
[4]
As of December 31, 2017 and December 31, 2016, excludes Puerto Rico recoveries, and as of December 31, 2016, the Zohar II recoveries, which have been netted against reserves.