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Investments (Tables) | 3 Months Ended
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Mar. 31, 2019
Investments [Abstract] |
Schedule for fixed income securities at amortized cost, gross unrealized gains and losses and fair value |
Amortized cost, gross unrealized gains (losses) and fair value for fixed income securities
($ in millions) |  | Amortized cost |  | Gross unrealized |  | Fair value
|  | Gains |  | Losses |
March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 3,775 |  |  | $ | 119 |  |  | $ | (2 | ) |  | $ | 3,892 |
Municipal |  | 8,879 |  |  | 393 |  |  | (8 | ) |  | 9,264 |
Corporate |  | 41,943 |  |  | 998 |  |  | (242 | ) |  | 42,699 |
Foreign government |  | 732 |  |  | 21 |  |  | (1 | ) |  | 752 |
Asset-backed securities (“ABS”) |  | 1,060 |  |  | 7 |  |  | (9 | ) |  | 1,058 |
Residential mortgage-backed securities (“RMBS”) |  | 354 |  |  | 89 |  |  | (1 | ) |  | 442 |
Commercial mortgage-backed securities (“CMBS”) |  | 67 |  |  | 7 |  |  | (1 | ) |  | 73 |
Redeemable preferred stock |  | 21 |  |  | 1 |  |  | — |  |  | 22 |
Total fixed income securities |  | $ | 56,831 |  |  | $ | 1,635 |  |  | $ | (264 | ) |  | $ | 58,202 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 5,386 |  |  | $ | 137 |  |  | $ | (6 | ) |  | $ | 5,517 |
Municipal |  | 8,963 |  |  | 249 |  |  | (43 | ) |  | 9,169 |
Corporate |  | 40,536 |  |  | 490 |  |  | (890 | ) |  | 40,136 |
Foreign government |  | 739 |  |  | 13 |  |  | (5 | ) |  | 747 |
ABS |  | 1,049 |  |  | 6 |  |  | (10 | ) |  | 1,045 |
RMBS |  | 377 |  |  | 89 |  |  | (2 | ) |  | 464 |
CMBS |  | 63 |  |  | 8 |  |  | (1 | ) |  | 70 |
Redeemable preferred stock |  | 21 |  |  | 1 |  |  | — |  |  | 22 |
Total fixed income securities |  | $ | 57,134 |  |  | $ | 993 |  |  | $ | (957 | ) |  | $ | 57,170 |
Schedule for fixed income securities based on contractual maturities |
Scheduled maturities for fixed income securities
($ in millions) |  | As of March 31, 2019
| Amortized cost |  | Fair value
Due in one year or less |  | $ | 3,309 |  |  | $ | 3,324 |
Due after one year through five years |  | 26,701 |  |  | 26,996 |
Due after five years through ten years |  | 16,622 |  |  | 16,946 |
Due after ten years |  | 8,718 |  |  | 9,363 |
|  | 55,350 |  |  | 56,629 |
ABS, RMBS and CMBS |  | 1,481 |  |  | 1,573 |
Total |  | $ | 56,831 |  |  | $ | 58,202 |
Schedule of net investment income |
Net investment income
($ in millions) |  | Three months ended March 31,
| 2019 |  | 2018
Fixed income securities |  | $ | 538 |  |  | $ | 508 |
Equity securities |  | 30 |  |  | 34 |
Mortgage loans |  | 53 |  |  | 51 |
Limited partnership interests |  | 9 |  |  | 180 |
Short-term investments |  | 26 |  |  | 12 |
Other |  | 63 |  |  | 66 |
Investment income, before expense |  | 719 |  |  | 851 |
Investment expense |  | (71 | ) |  | (65 | )
Net investment income |  | $ | 648 |  |  | $ | 786 |
Schedule of realized capital gains and losses by asset type |
Realized capital gains (losses) by asset type |  |  |  |
($ in millions) |  | Three months ended March 31,
| 2019 |  | 2018
Fixed income securities |  | $ | 64 |  |  | $ | (43 | )
Equity securities |  | 553 |  |  | (93 | )
Limited partnership interests |  | 72 |  |  | 10 |
Derivatives |  | (46 | ) |  | (8 | )
Other |  | 19 |  |  | — |
Realized capital gains and losses |  | $ | 662 |  |  | $ | (134 | )
Schedule of realized capital gains and losses by transaction type |
Realized capital gains (losses) by transaction type |  |  |  |
($ in millions) |  | Three months ended March 31,
| 2019 |  | 2018
Impairment write-downs |  | $ | (14 | ) |  | $ | (1 | )
Change in intent write-downs |  | — |  |  | — |
Net OTTI losses recognized in earnings |  | (14 | ) |  | (1 | )
Sales |  | 95 |  |  | (42 | )
Valuation of equity investments (1) |  | 627 |  |  | (83 | )
Valuation and settlements of derivative instruments |  | (46 | ) |  | (8 | )
Realized capital gains and losses |  | $ | 662 |  |  | $ | (134 | )
(1) Includes valuation of equity securities and certain limited partnership interests where the underlying assets are predominately public equity securities
Valuation changes included in net income for investments | The following table presents the net pre-tax appreciation (decline) during 2019 and 2018 of equity securities and limited partnership interests carried at fair value still held as of March 31, 2019 and March 31, 2018 recognized in net income.
Net appreciation (decline) recognized in net income |  |
($ in millions) |  | Three months ended March 31,
| 2019 |  | 2018
Equity securities |  | $ | 496 |  |  | $ | (49 | )
Limited partnership interests carried at fair value |  | (33 | ) |  | 78 |
Total |  | $ | 463 |  |  | $ | 29 |
Schedule of other-than-temporary impairment losses by asset type |
OTTI losses by asset type
($ in millions) |  | Three months ended |  | Three months ended
| March 31, 2019 |  | March 31, 2018
| Gross |  | Included in OCI |  | Net |  | Gross |  | Included in OCI |  | Net
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate |  | (2 | ) |  | 2 |  |  | — |  |  | — |  |  | — |  |  | — |
ABS |  | (2 | ) |  | 1 |  |  | (1 | ) |  | — |  |  | — |  |  | — |
RMBS |  | — |  |  | (1 | ) |  | (1 | ) |  | — |  |  | — |  |  | — |
CMBS |  | — |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | (1 | )
Total fixed income securities |  | (4 | ) |  | 2 |  |  | (2 | ) |  | — |  |  | (1 | ) |  | (1 | )
Limited partnership interests |  | (1 | ) |  | — |  |  | (1 | ) |  | — |  |  | — |  |  | — |
Other |  | (11 | ) |  | — |  |  | (11 | ) |  | — |  |  | — |  |  | — |
OTTI losses |  | $ | (16 | ) |  | $ | 2 |  |  | $ | (14 | ) |  | $ | — |  |  | $ | (1 | ) |  | $ | (1 | )
Schedule of other-than-temporary impairment losses on fixed income securities included in Accumulated Other Comprehensive Income |
OTTI losses included in AOCI at the time of impairment for fixed income securities which were not included in earnings
($ in millions) |  | March 31, 2019 |  | December 31, 2018
Municipal |  | $ | (5 | ) |  | $ | (5 | )
Corporate |  | (3 | ) |  | (2 | )
ABS |  | (11 | ) |  | (10 | )
RMBS |  | (64 | ) |  | (67 | )
CMBS |  | (2 | ) |  | (2 | )
Total |  | $ | (85 | ) |  | $ | (86 | )
Schedule of credit losses on fixed income securities recognized in earnings |
Rollforward of the cumulative credit losses recognized in earnings for fixed income securities held as of March 31,
($ in millions) |  | Three months ended March 31,
| 2019 |  | 2018
Beginning balance |  | $ | (204 | ) |  | $ | (226 | )
Additional credit loss for securities previously other-than-temporarily impaired |  | (2 | ) |  | (1 | )
Reduction in credit loss for securities disposed or collected |  | 4 |  |  | 15 |
Ending balance |  | $ | (202 | ) |  | $ | (212 | )
Schedule of unrealized net capital gains and losses |
Unrealized net capital gains and losses included in AOCI
($ in millions) |  | Fair value |  | Gross unrealized |  | Unrealized net gains (losses)
March 31, 2019 |  |  | Gains |  | Losses |
Fixed income securities |  | $ | 58,202 |  |  | $ | 1,635 |  |  | $ | (264 | ) |  | $ | 1,371 |
Short-term investments |  | 4,157 |  |  | — |  |  | — |  |  | — |
Derivative instruments |  | — |  |  | — |  |  | (3 | ) |  | (3 | )
Unrealized net capital gains and losses, pre-tax |  |  |  |  |  |  |  |  |  |  | 1,368 |
Amounts recognized for: |  |  |  |  |  |  |  |  |  |  |  |
Insurance reserves (1) |  |  |  |  |  |  |  |  |  |  | (8 | )
DAC and DSI (2) |  |  |  |  |  |  |  |  |  |  | (124 | )
Amounts recognized |  |  |  |  |  |  |  |  |  |  | (132 | )
Deferred income taxes |  |  |  |  |  |  |  |  |  |  | (264 | )
Unrealized net capital gains and losses, after-tax |  |  |  |  |  |  |  |  |  |  | $ | 972 |
(1) | The insurance reserves adjustment represents the amount by which the reserve balance would increase if the net unrealized gains in the applicable product portfolios were realized and reinvested at lower interest rates, resulting in a premium deficiency. This adjustment primarily relates to structured settlement annuities with life contingencies (a type of immediate fixed annuities).
(2) | The DAC and DSI adjustment balance represents the amount by which the amortization of DAC and DSI would increase or decrease if the unrealized gains or losses in the respective product portfolios were realized.
Unrealized net capital gains and losses included in AOCI
($ in millions) |  | Fair value |  | Gross unrealized |  | Unrealized net gains (losses)
December 31, 2018 |  |  | Gains |  | Losses |
Fixed income securities |  | $ | 57,170 |  |  | $ | 993 |  |  | $ | (957 | ) |  | $ | 36 |
Short-term investments |  | 3,027 |  |  | — |  |  | — |  |  | — |
Derivative instruments |  | — |  |  | — |  |  | (3 | ) |  | (3 | )
Unrealized net capital gains and losses, pre-tax |  |  |  |  |  |  |  |  |  |  | 33 |
Amounts recognized for: |  |  |  |  |  |  |  |  |  |  |  |
Insurance reserves |  |  |  |  |  |  |  |  |  |  | — |
DAC and DSI |  |  |  |  |  |  |  |  |  |  | (33 | )
Amounts recognized |  |  |  |  |  |  |  |  |  |  | (33 | )
Deferred income taxes |  |  |  |  |  |  |  |  |  |  | (2 | )
Unrealized net capital gains and losses, after-tax |  |  |  |  |  |  |  |  |  |  | $ | (2 | )
Schedule of change in unrealized net capital gains and losses |
Change in unrealized net capital gains (losses)
($ in millions) |  | Three months ended March 31, 2019
Fixed income securities |  | $ | 1,335 |
Derivative instruments |  | — |
Total |  | 1,335 |
Amounts recognized for: |  |  |
Insurance reserves |  | (8 | )
DAC and DSI |  | (91 | )
Amounts recognized |  | (99 | )
Deferred income taxes |  | (262 | )
Increase in unrealized net capital gains and losses, after-tax |  | $ | 974 |
Schedule of gross unrealized losses and fair value of available for sale securities by length of time |
Gross unrealized losses and fair value by type and length of time held in a continuous unrealized loss position
($ in millions) |  | Less than 12 months |  | 12 months or more |  | Total unrealized losses
| Number of issues |  | Fair value |  | Unrealized losses |  | Number of issues |  | Fair value |  | Unrealized losses |
March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | 9 |  |  | $ | 112 |  |  | $ | — |  |  | 39 |  |  | $ | 259 |  |  | $ | (2 | ) |  | $ | (2 | )
Municipal |  | 102 |  |  | 208 |  |  | — |  |  | 600 |  |  | 742 |  |  | (8 | ) |  | (8 | )
Corporate |  | 304 |  |  | 3,249 |  |  | (42 | ) |  | 807 |  |  | 10,382 |  |  | (200 | ) |  | (242 | )
Foreign government |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 218 |  |  | (1 | ) |  | (1 | )
ABS |  | 36 |  |  | 283 |  |  | (4 | ) |  | 34 |  |  | 146 |  |  | (5 | ) |  | (9 | )
RMBS |  | 81 |  |  | 12 |  |  | — |  |  | 194 |  |  | 49 |  |  | (1 | ) |  | (1 | )
CMBS |  | 4 |  |  | 11 |  |  | (1 | ) |  | 1 |  |  | — |  |  | — |  |  | (1 | )
Total fixed income securities |  | 536 |  |  | $ | 3,875 |  |  | $ | (47 | ) |  | 1,686 |  |  | $ | 11,796 |  |  | $ | (217 | ) |  | $ | (264 | )
Investment grade fixed income securities |  | 404 |  |  | $ | 3,077 |  |  | $ | (22 | ) |  | 1,550 |  |  | $ | 10,853 |  |  | $ | (170 | ) |  | $ | (192 | )
Below investment grade fixed income securities |  | 132 |  |  | 798 |  |  | (25 | ) |  | 136 |  |  | 943 |  |  | (47 | ) |  | (72 | )
Total fixed income securities |  | 536 |  |  | $ | 3,875 |  |  | $ | (47 | ) |  | 1,686 |  |  | $ | 11,796 |  |  | $ | (217 | ) |  | $ | (264 | )
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | 11 |  |  | $ | 55 |  |  | $ | — |  |  | 38 |  |  | $ | 364 |  |  | $ | (6 | ) |  | $ | (6 | )
Municipal |  | 943 |  |  | 1,633 |  |  | (10 | ) |  | 1,147 |  |  | 1,554 |  |  | (33 | ) |  | (43 | )
Corporate |  | 1,735 |  |  | 19,243 |  |  | (543 | ) |  | 645 |  |  | 8,374 |  |  | (347 | ) |  | (890 | )
Foreign government |  | 7 |  |  | 20 |  |  | (1 | ) |  | 27 |  |  | 412 |  |  | (4 | ) |  | (5 | )
ABS |  | 64 |  |  | 454 |  |  | (5 | ) |  | 28 |  |  | 161 |  |  | (5 | ) |  | (10 | )
RMBS |  | 166 |  |  | 30 |  |  | — |  |  | 195 |  |  | 52 |  |  | (2 | ) |  | (2 | )
CMBS |  | 3 |  |  | 7 |  |  | — |  |  | 2 |  |  | — |  |  | (1 | ) |  | (1 | )
Redeemable preferred stock |  | 1 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total fixed income securities |  | 2,930 |  |  | $ | 21,442 |  |  | $ | (559 | ) |  | 2,082 |  |  | $ | 10,917 |  |  | $ | (398 | ) |  | $ | (957 | )
Investment grade fixed income securities |  | 2,348 |  |  | $ | 17,485 |  |  | $ | (331 | ) |  | 2,021 |  |  | $ | 10,626 |  |  | $ | (360 | ) |  | $ | (691 | )
Below investment grade fixed income securities |  | 582 |  |  | 3,957 |  |  | (228 | ) |  | 61 |  |  | 291 |  |  | (38 | ) |  | (266 | )
Total fixed income securities |  | 2,930 |  |  | $ | 21,442 |  |  | $ | (559 | ) |  | 2,082 |  |  | $ | 10,917 |  |  | $ | (398 | ) |  | $ | (957 | )
Carrying value of non-impaired fixed and variable rate mortgage loans by debt service coverage ratio distribution |
Carrying value of non-impaired mortgage loans summarized by debt service coverage ratio distribution
($ in millions) |  | March 31, 2019 |  | December 31, 2018
Debt service coverage ratio distribution |  | Fixed rate mortgage loans |  | Variable rate mortgage loans |  | Total |  | Fixed rate mortgage loans |  | Variable rate mortgage loans |  | Total
Below 1.0 |  | $ | 22 |  |  | $ | 31 |  |  | $ | 53 |  |  | $ | 6 |  |  | $ | 31 |  |  | $ | 37 |
1.0 - 1.25 |  | 256 |  |  | — |  |  | 256 |  |  | 273 |  |  | — |  |  | 273 |
1.26 - 1.50 |  | 1,157 |  |  | — |  |  | 1,157 |  |  | 1,192 |  |  | — |  |  | 1,192 |
Above 1.50 |  | 3,110 |  |  | 101 |  |  | 3,211 |  |  | 3,063 |  |  | 101 |  |  | 3,164 |
Total non-impaired mortgage loans |  | $ | 4,545 |  |  | $ | 132 |  |  | $ | 4,677 |  |  | $ | 4,534 |  |  | $ | 132 |  |  | $ | 4,666 |
Net carrying value of impaired mortgage loans |
Net carrying value of impaired mortgage loans
($ in millions) |  | March 31, 2019 |  | December 31, 2018
Impaired mortgage loans with a valuation allowance |  | $ | 4 |  |  | $ | 4 |
Impaired mortgage loans without a valuation allowance |  | — |  |  | — |
Total impaired mortgage loans |  | $ | 4 |  |  | $ | 4 |
Valuation allowance on impaired mortgage loans |  | $ | 3 |  |  | $ | 3 |
Schedule of other investments by type |
Other investments by asset type
($ in millions) |  | March 31, 2019 |  | December 31, 2018
Bank loans |  | $ | 1,300 |  |  | $ | 1,350 |
Policy loans |  | 885 |  |  | 891 |
Real estate |  | 776 |  |  | 791 |
Agent loans |  | 639 |  |  | 620 |
Derivatives and other |  | 186 |  |  | 200 |
Total |  | $ | 3,786 |  |  | $ | 3,852 |

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- Definition Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27340-111563 + Details
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- Definition Tabular disclosure of realized gains and losses on investments reported in the statement of income. + References No definition available. + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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