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Loss And Loss Adjustment Expense Reserves (Schedule Of Insurance Loss Recoverable And Changes In Recoveries On Unpaid Losses) (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2016 USD ($)
Loss And Loss Adjustment Expense Recoveries [Line Items] |  |
Gross Reserve beginning balance, Insurance loss recoverable | $ 577 |
Gross Reserve beginning balance, Total | 677 |
Collections for Cases with Recoveries | (17) |
Accretion of Recoveries | 3 |
Changes in Discount Rates | 13 |
Changes in Assumptions | (134) |
Changes in LAE Recoveries | 1 |
Other | (33) | [1]
Gross Reserve ending balance, Insurance loss recoverable | 409 |
Gross Reserve ending balance, Total | 510 |
Insurance Loss Recoverable [Member] |  |
Loss And Loss Adjustment Expense Recoveries [Line Items] |  |
Gross Reserve beginning balance, Insurance loss recoverable | 577 |
Collections for Cases with Recoveries | (17) |
Accretion of Recoveries | 2 |
Changes in Discount Rates | 7 |
Changes in Assumptions | (123) |
Changes in LAE Recoveries | (4) |
Other | (33) | [1]
Gross Reserve ending balance, Insurance loss recoverable | 409 |
Recoveries On Unpaid Losses [Member] |  |
Loss And Loss Adjustment Expense Recoveries [Line Items] |  |
Gross Reserve beginning balance,Recoveries on unpaid losses | 100 |
Collections for Cases with Recoveries | 0 |
Accretion of Recoveries | 1 |
Changes in Discount Rates | 6 |
Changes in Assumptions | (11) |
Changes in LAE Recoveries | 5 |
Other | 0 | [1]
Gross Reserve ending balance, Recoveries on unpaid losses | $ 101 |
[1] | Primarily changes in amount and timing of collections.

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- Details
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