v3.2.0.727

Investments (Schedule Of Amortized Cost And Fair Value Of Fixed Maturities And Related Other-Than-Temporary Impairment Recognized In Accumulated Other Comprehensive Income) (Detail) - USD ($) $ in Millions | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Investment [Line Items] |  |
Held to maturity, Amortized Cost | $ 8,676 | $ 7,331
Held to maturity, Gross Unrealized Appreciation | (209) | (266)
Held to maturity, Gross Unrealized Depreciation | (80) | (8)
Held to maturity, Fair Value | 8,805 | 7,589
Available for sale, Amortized Cost | 47,599 | 47,826
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 1,464 | 1,871
Available for sale, Gross Unrealized Depreciation | (362) | (302)
Available for sale, Fair Value | 48,701 | 49,395
Available for sale, OTTI recognized in AOCI | (12) | (8)
U.S. Treasury And Agency [Member] |  |
Investment [Line Items] |  |
Held to maturity, Amortized Cost | 743 | 832
Held to maturity, Gross Unrealized Appreciation | (16) | (20)
Held to maturity, Gross Unrealized Depreciation | (1) | (2)
Held to maturity, Fair Value | 758 | 850
Held to maturity, OTTI recognized in AOCI | 0 | 0
Available for sale, Amortized Cost | 2,743 | 2,741
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 67 | 87
Available for sale, Gross Unrealized Depreciation | (5) | (8)
Available for sale, Fair Value | 2,805 | 2,820
Available for sale, OTTI recognized in AOCI | 0 | 0
Foreign [Member] |  |
Investment [Line Items] |  |
Held to maturity, Amortized Cost | 808 | 916
Held to maturity, Gross Unrealized Appreciation | (39) | (47)
Held to maturity, Gross Unrealized Depreciation | (4) | 0
Held to maturity, Fair Value | 843 | 963
Held to maturity, OTTI recognized in AOCI | 0 | 0
Available for sale, Amortized Cost | 14,739 | 14,703
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 529 | 629
Available for sale, Gross Unrealized Depreciation | (112) | (90)
Available for sale, Fair Value | 15,156 | 15,242
Available for sale, OTTI recognized in AOCI | (5) | 0
Corporate Securities [Member] |  |
Investment [Line Items] |  |
Held to maturity, Amortized Cost | 3,113 | 2,323
Held to maturity, Gross Unrealized Appreciation | (72) | (102)
Held to maturity, Gross Unrealized Depreciation | (56) | (2)
Held to maturity, Fair Value | 3,129 | 2,423
Held to maturity, OTTI recognized in AOCI | 0 | 0
Available for sale, Amortized Cost | 16,515 | 16,897
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 534 | 704
Available for sale, Gross Unrealized Depreciation | (171) | (170)
Available for sale, Fair Value | 16,878 | 17,431
Available for sale, OTTI recognized in AOCI | (6) | (7)
Collateralized Mortgage Backed Securities [Member] |  |
Investment [Line Items] |  |
Held to maturity, Amortized Cost | 1,828 | 1,983
Held to maturity, Gross Unrealized Appreciation | (50) | (57)
Held to maturity, Gross Unrealized Depreciation | (1) | (1)
Held to maturity, Fair Value | 1,877 | 2,039
Held to maturity, OTTI recognized in AOCI | 0 | 0
Available for sale, Amortized Cost | 10,607 | 10,011
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 237 | 304
Available for sale, Gross Unrealized Depreciation | (60) | (29)
Available for sale, Fair Value | 10,784 | 10,286
Available for sale, OTTI recognized in AOCI | (1) | (1)
States, Municipalities, And Political Subdivisions [Member] |  |
Investment [Line Items] |  |
Held to maturity, Amortized Cost | 2,184 | 1,277
Held to maturity, Gross Unrealized Appreciation | (32) | (40)
Held to maturity, Gross Unrealized Depreciation | (18) | (3)
Held to maturity, Fair Value | 2,198 | 1,314
Held to maturity, OTTI recognized in AOCI | 0 | 0
Available for sale, Amortized Cost | 2,995 | 3,474
AvailableforsaleSecuritiesGrossUnrealizedGainAccumulatedInInvestments | 97 | 147
Available for sale, Gross Unrealized Depreciation | (14) | (5)
Available for sale, Fair Value | 3,078 | 3,616
Available for sale, OTTI recognized in AOCI | $ 0 | $ 0

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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