XML 47 R29.htm IDEA: XBRL DOCUMENT
v3.21.1

Investments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Investments [Abstract] |
Portfolio composition |
Portfolio composition
($ in millions) |  | March 31, 2021 |  | December 31, 2020
Fixed income securities, at fair value |  | $ | 40,594 |  |  | $ | 42,565 |
Equity securities, at fair value |  | 3,154 |  |  | 3,168 |
Mortgage loans, net |  | 902 |  |  | 746 |
Limited partnership interests |  | 6,367 |  |  | 4,563 |
Short-term investments, at fair value |  | 6,017 |  |  | 6,807 |
Other, net |  | 3,042 |  |  | 1,691 |
Total |  | $ | 60,076 |  |  | $ | 59,540 |
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, net |  | Gross unrealized |  | Fair value
|  | Gains |  | Losses |
March 31, 2021 |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 3,103 |  |  | $ | 26 |  |  | $ | (19) |  |  | $ | 3,110 |
Municipal |  | 7,226 |  |  | 310 |  |  | (36) |  |  | 7,500 |
Corporate |  | 27,145 |  |  | 1,045 |  |  | (187) |  |  | 28,003 |
Foreign government |  | 977 |  |  | 16 |  |  | (8) |  |  | 985 |
ABS |  | 934 |  |  | 11 |  |  | (2) |  |  | 943 |
MBS |  | 52 |  |  | 1 |  |  | — |  |  | 53 |
Total fixed income securities |  | $ | 39,437 |  |  | $ | 1,409 |  |  | $ | (252) |  |  | $ | 40,594 |
December 31, 2020 |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 2,058 |  |  | $ | 50 |  |  | $ | (1) |  |  | $ | 2,107 |
Municipal |  | 7,100 |  |  | 480 |  |  | (2) |  |  | 7,578 |
Corporate |  | 29,057 |  |  | 1,986 |  |  | (26) |  |  | 31,017 |
Foreign government |  | 921 |  |  | 37 |  |  | — |  |  | 958 |
ABS |  | 840 |  |  | 9 |  |  | (3) |  |  | 846 |
MBS |  | 58 |  |  | 1 |  |  | — |  |  | 59 |
Total fixed income securities |  | $ | 40,034 |  |  | $ | 2,563 |  |  | $ | (32) |  |  | $ | 42,565 |
Schedule for fixed income securities based on contractual maturities |
Scheduled maturities for fixed income securities
($ in millions) |  | March 31, 2021
| Amortized cost, net |  | Fair value
Due in one year or less |  | $ | 1,279 |  |  | $ | 1,291 |
Due after one year through five years |  | 18,216 |  |  | 18,810 |
Due after five years through ten years |  | 13,464 |  |  | 13,818 |
Due after ten years |  | 5,492 |  |  | 5,679 |
|  | 38,451 |  |  | 39,598 |
ABS and MBS |  | 986 |  |  | 996 |
Total |  | $ | 39,437 |  |  | $ | 40,594 |
Schedule of net investment income |
Net investment income
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Fixed income securities |  |  |  |  |  | $ | 301 |  |  | $ | 298 |
Equity securities |  |  |  |  |  | 14 |  |  | 10 |
Mortgage loans |  |  |  |  |  | 10 |  |  | 9 |
Limited partnership interests |  |  |  |  |  | 378 |  |  | (77) |
Short-term investments |  |  |  |  |  | 1 |  |  | 11 |
Other |  |  |  |  |  | 41 |  |  | 31 |
Investment income, before expense |  |  |  |  |  | 745 |  |  | 282 |
Investment expense |  |  |  |  |  | (37) |  |  | (36) |
Net investment income |  |  |  |  |  | $ | 708 |  |  | $ | 246 |
Schedule of realized capital gains and losses by asset type |
Realized capital gains (losses) by asset type
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Fixed income securities |  |  |  |  |  | $ | 183 |  |  | $ | 374 |
Equity securities |  |  |  |  |  | 164 |  |  | (510) |
Mortgage loans |  |  |  |  |  | 6 |  |  | (10) |
Limited partnership interests |  |  |  |  |  | 4 |  |  | (86) |
Derivatives |  |  |  |  |  | 11 |  |  | 78 |
Other |  |  |  |  |  | 58 |  |  | (8) |
Realized capital gains (losses) |  |  |  |  |  | $ | 426 |  |  | $ | (162) |
Schedule of realized capital gains and losses by transaction type |
Realized capital gains (losses) by transaction type
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Sales |  |  |  |  |  | $ | 246 |  |  | $ | 388 |
Credit losses |  |  |  |  |  | 2 |  |  | (37) |
Valuation of equity investments (1) |  |  |  |  |  | 167 |  |  | (591) |
Valuation and settlements of derivative instruments |  |  |  |  |  | 11 |  |  | 78 |
Realized capital gains (losses) |  |  |  |  |  | $ | 426 |  |  | $ | (162) |
(1)Includes valuation of equity securities and certain limited partnership interests where the underlying assets are predominately public equity securities.
Gross realized gains (losses) on sales of fixed income securities |
Gross realized gains (losses) on sales of fixed income securities
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Gross realized gains |  |  |  |  |  | $ | 245 |  |  | $ | 435 |
Gross realized losses |  |  |  |  |  | (64) |  |  | (59) |
Valuation changes included in net income for investments |
Net appreciation (decline) recognized in net income
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Equity securities |  |  |  |  |  | $ | 125 |  |  | $ | (417) |
Limited partnership interests carried at fair value |  |  |  |  |  | 141 |  |  | (28) |
Total |  |  |  |  |  | $ | 266 |  |  | $ | (445) |
Schedule of credit losses on fixed income securities recognized in earnings |
Credit losses recognized in net income |  |
($ in millions) |  |  |  | Three months ended March 31, |  |
|  |  |  |  | 2021 |  | 2020 |  |
Assets |  |  |  |  |  |  |  |  |  |
Fixed income securities: |  |  |  |  |  |  |  |  |  |
Corporate |  |  |  |  |  | $ | 1 |  |  | $ | (1) |  |  |
ABS |  |  |  |  |  | 1 |  |  | — |  |  |
MBS |  |  |  |  |  | — |  |  | (1) |  |  |
Total fixed income securities |  |  |  |  |  | 2 |  |  | (2) |  |  |
Mortgage loans |  |  |  |  |  | 6 |  |  | (9) |  |  |
Limited partnership interests |  |  |  |  |  | — |  |  | (5) |  |  |
Other investments |  |  |  |  |  |  |  |  |  |
Bank loans |  |  |  |  |  | (6) |  |  | (20) |  |  |
Total credit losses by asset type |  |  |  |  |  | $ | 2 |  |  | $ | (36) |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Commitments to fund commercial mortgage loans, bank loans and agent loans |  |  |  |  |  | — |  |  | (1) |  |  |
Total |  |  |  |  |  | $ | 2 |  |  | $ | (37) |  |  |
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, 2021 |  |  | Gains |  | Losses |
Fixed income securities |  | $ | 40,594 |  |  | $ | 1,409 |  |  | $ | (252) |  |  | $ | 1,157 |
Short-term investments |  | 6,017 |  |  | — |  |  | — |  |  | — |
Derivative instruments |  | — |  |  | — |  |  | (3) |  |  | (3) |
Equity method of accounting (“EMA”) limited partnerships (1) |  |  |  |  |  |  |  | (1) |
Investments classified as held for sale |  |  |  |  |  |  |  | 1,562 |
Unrealized net capital gains and losses, pre-tax |  |  |  |  |  |  |  | 2,715 |
Amounts recognized for: |  |  |  |  |  |  |  |
Insurance reserves (2) |  |  |  |  |  |  |  | (358) |
DAC and DSI (3) |  |  |  |  |  |  |  | (228) |
Reclassification of noncontrolling interest |  |  |  |  |  |  |  | 4 |
Amounts recognized |  |  |  |  |  |  |  | (582) |
Deferred income taxes |  |  |  |  |  |  |  | (453) |
Unrealized net capital gains and losses, after-tax |  |  |  |  |  |  |  | $ | 1,680 |
December 31, 2020 |  |  |  |  |  |  |  |
Fixed income securities |  | $ | 42,565 |  |  | $ | 2,563 |  |  | $ | (32) |  |  | $ | 2,531 |
Short-term investments |  | 6,807 |  |  | — |  |  | — |  |  | — |
Derivative instruments |  | — |  |  | — |  |  | (3) |  |  | (3) |
EMA limited partnerships |  |  |  |  |  |  |  | (1) |
Investments classified as held for sale |  |  |  |  |  |  |  | 2,369 |
Unrealized net capital gains and losses, pre-tax |  |  |  |  |  |  |  | 4,896 |
Amounts recognized for: |  |  |  |  |  |  |  |
Insurance reserves |  |  |  |  |  |  |  | (496) |
DAC and DSI |  |  |  |  |  |  |  | (364) |
Amounts recognized |  |  |  |  |  |  |  | (860) |
Deferred income taxes |  |  |  |  |  |  |  | (856) |
Unrealized net capital gains and losses, after-tax |  |  |  |  |  |  |  | $ | 3,180 |
(1)Unrealized net capital gains and losses for limited partnership interests represent the Company’s share of EMA limited partnerships’ OCI. Fair value and gross unrealized gains and losses are not applicable. (2)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 annuity), which are now classified as held for sale. (3)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. This adjustment relates to life insurance products, which are now primarily classified as held for sale.
Schedule of change in unrealized net capital gains and losses |
Change in unrealized net capital gains (losses)
($ in millions) |  | Three months ended March 31, 2021
Fixed income securities |  | $ | (1,374) |
Short-term investments |  | — |
Derivative instruments |  | — |
EMA limited partnerships |  | — |
Investments classified as held for sale |  | (807) |
Total |  | (2,181) |
Amounts recognized for: |  |
Insurance reserves |  | 138 |
DAC and DSI |  | 136 |
Reclassification of noncontrolling interest |  | 4 |
Amounts recognized |  | 278 |
Deferred income taxes |  | 403 |
Decrease in unrealized net capital gains and losses, after-tax |  | $ | (1,500) |
Carrying value for limited partnership interests |
Carrying value for limited partnership interests
($ in millions) |  | March 31, 2021 |  | December 31, 2020
| EMA |  | Fair Value |  | Total |  | EMA |  | Fair Value |  | Total
Private equity |  | $ | 3,935 |  |  | $ | 1,295 |  |  | $ | 5,230 |  |  | $ | 2,667 |  |  | $ | 988 |  |  | $ | 3,655 |
Real estate |  | 816 |  |  | 68 |  |  | 884 |  |  | 623 |  |  | 74 |  |  | 697 |
Other (1) |  | 253 |  |  | — |  |  | 253 |  |  | 211 |  |  | — |  |  | 211 |
Total (2) |  | $ | 5,004 |  |  | $ | 1,363 |  |  | $ | 6,367 |  |  | $ | 3,501 |  |  | $ | 1,062 |  |  | $ | 4,563 |
(1)Other consists of certain limited partnership interests where the underlying assets are predominately public equity and debt securities. (2)Carrying value for limited partnership interests as of March 31, 2021 includes certain investments which were classified as assets held for sale as of December 31, 2020 and transferred to continuing operations in the first quarter of 2021.
Schedule of other investments by type |
Other investments by asset type
($ in millions) |  | March 31, 2021 |  | December 31, 2020
Bank loans, net |  | $ | 1,260 |  |  | $ | 772 |
Real estate |  | 871 |  |  | 659 |
Policy loans |  | 164 |  |  | 181 |
Agent loans, net |  | 607 |  |  | — |
Derivatives |  | 22 |  |  | 20 |
Other |  | 118 |  |  | 59 |
Total (1) |  | $ | 3,042 |  |  | $ | 1,691 |
(1)Other investments as of March 31, 2021 includes certain real estate, agent loans and other investments which were classified as assets held for sale as of December 31, 2020 and transferred to continuing operations in the first quarter of 2021.
Allowance for credit loss |
Rollforward of credit loss allowance for fixed income securities |  |  |  |  |  |  |  |
|  |  |  | Three months ended March 31,
($ in millions) |  |  |  |  |  | 2021 |  | 2020
Beginning balance |  |  |  |  |  | $ | (3) |  |  | $ | — |
Credit losses on securities for which credit losses not previously reported |  |  |  |  |  | — |  |  | (4) |
Net decreases related to credit losses previously reported |  |  |  |  |  | 2 |  |  | — |
Reduction of allowance related to sales |  |  |  |  |  | — |  |  | — |
Ending balance (1) (2) |  |  |  |  |  | $ | (1) |  |  | $ | (4) |
(1)Allowance for fixed income securities as of March 31, 2021 comprised $1 million of ABS. Allowance for fixed income securities as of March 31, 2020 comprised $1 million and $3 million of corporate bonds and MBS, respectively. (2)Includes $1 million and $2 million of credit loss allowance for fixed income securities that are classified as held for sale as of March 31, 2021 and 2020, respectively.
Rollforward of credit loss allowance for mortgage loans |  |  |  |  |  |  |  |
|  |  |  | Three months ended March 31,
($ in millions) |  |  |  |  |  | 2021 |  | 2020
Beginning balance |  |  |  |  |  | $ | (67) |  |  | $ | (3) |
Cumulative effect of change in accounting principle |  |  |  |  |  | — |  |  | (42) |
Net decreases (increases) related to credit losses |  |  |  |  |  | 22 |  |  | (40) |
Write-offs |  |  |  |  |  | — |  |  | — |
Ending balance (1) |  |  |  |  |  | $ | (45) |  |  | $ | (85) |
(1)Includes $31 million and $68 million of credit loss allowance for mortgage loans that are classified as held for sale as of March 31, 2021 and 2020, respectively.
Rollforward of credit loss allowance for bank loans |  |  |  |  |  |  |  |
($ in millions) |  |  |  | Three months ended March 31,
|  |  |  |  | 2021 |  | 2020
Beginning balance |  |  |  |  |  | $ | (67) |  |  | $ | — |
Cumulative effect of change in accounting principle |  |  |  |  |  | — |  |  | (53) |
Net increases related to credit losses |  |  |  |  |  | (2) |  |  | (27) |
Reduction of allowance related to sales |  |  |  |  |  | 9 |  |  | 1 |
Write-offs |  |  |  |  |  | — |  |  | — |
Ending balance (1) |  |  |  |  |  | $ | (60) |  |  | $ | (79) |
(1)Includes $11 million and $22 million of credit loss allowance for bank loans that are classified as held for sale as of March 31, 2021 and 2020, respectively.
Schedule of gross unrealized losses and fair value of available for sale securities by length of time |
Gross unrealized losses and fair value by type and length of time held in a continuous unrealized loss position
($ 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, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | 108 |  |  | $ | 2,084 |  |  | $ | (19) |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | (19) |
Municipal |  | 804 |  |  | 1,398 |  |  | (36) |  |  | 1 |  |  | 5 |  |  | — |  |  | (36) |
Corporate |  | 1,003 |  |  | 6,715 |  |  | (176) |  |  | 25 |  |  | 121 |  |  | (11) |  |  | (187) |
Foreign government |  | 64 |  |  | 289 |  |  | (8) |  |  | — |  |  | — |  |  | — |  |  | (8) |
ABS |  | 15 |  |  | 79 |  |  | (2) |  |  | 13 |  |  | 50 |  |  | — |  |  | (2) |
MBS |  | 15 |  |  | 2 |  |  | — |  |  | 55 |  |  | — |  |  | — |  |  | — |
Total fixed income securities |  | 2,009 |  |  | $ | 10,567 |  |  | $ | (241) |  |  | 94 |  |  | $ | 176 |  |  | $ | (11) |  |  | $ | (252) |
Investment grade fixed income securities |  | 1,821 |  |  | $ | 9,206 |  |  | $ | (207) |  |  | 69 |  |  | $ | 67 |  |  | $ | (1) |  |  | $ | (208) |
Below investment grade fixed income securities |  | 188 |  |  | 1,361 |  |  | (34) |  |  | 25 |  |  | 109 |  |  | (10) |  |  | (44) |
Total fixed income securities |  | 2,009 |  |  | $ | 10,567 |  |  | $ | (241) |  |  | 94 |  |  | $ | 176 |  |  | $ | (11) |  |  | $ | (252) |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | 26 |  |  | $ | 215 |  |  | $ | (1) |  |  | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |
Municipal |  | 43 |  |  | 116 |  |  | (2) |  |  | — |  |  | — |  |  | — |  |  | (2) |
Corporate |  | 107 |  |  | 730 |  |  | (21) |  |  | 14 |  |  | 46 |  |  | (5) |  |  | (26) |
Foreign government |  | 7 |  |  | 7 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
ABS |  | 21 |  |  | 157 |  |  | (2) |  |  | 12 |  |  | 43 |  |  | (1) |  |  | (3) |
MBS |  | 11 |  |  | — |  |  | — |  |  | 57 |  |  | — |  |  | — |  |  | — |
Total fixed income securities |  | 215 |  |  | $ | 1,225 |  |  | $ | (26) |  |  | 83 |  |  | $ | 89 |  |  | $ | (6) |  |  | $ | (32) |
Investment grade fixed income securities |  | 146 |  |  | $ | 855 |  |  | $ | (8) |  |  | 66 |  |  | $ | 45 |  |  | $ | — |  |  | $ | (8) |
Below investment grade fixed income securities |  | 69 |  |  | 370 |  |  | (18) |  |  | 17 |  |  | 44 |  |  | (6) |  |  | (24) |
Total fixed income securities |  | 215 |  |  | $ | 1,225 |  |  | $ | (26) |  |  | 83 |  |  | $ | 89 |  |  | $ | (6) |  |  | $ | (32) |
Carrying value of non-impaired fixed and variable rate mortgage loans by debt service coverage ratio distribution |
Gross unrealized losses by unrealized loss position and credit quality as of March 31, 2021
($ in millions) |  | Investment grade |  | Below investment grade |  | Total
Fixed income securities with unrealized loss position less than 20% of amortized cost, net (1) (2) |  | $ | (207) |  |  | $ | (34) |  |  | $ | (241) |
Fixed income securities with unrealized loss position greater than or equal to 20% of amortized cost, net (3) (4) |  | (1) |  |  | (10) |  |  | (11) |
Total unrealized losses |  | $ | (208) |  |  | $ | (44) |  |  | $ | (252) |
(1)Below investment grade fixed income securities include $30 million that have been in an unrealized loss position for less than twelve months. (2)Related to securities with an unrealized loss position less than 20% of amortized cost, net, the degree of which suggests that these securities do not pose a high risk of having credit losses. (3)No below investment grade fixed income securities have been in an unrealized loss position for a period of twelve or more consecutive months. (4)Evaluated based on factors such as discounted cash flows and the financial condition and near-term and long-term prospects of the issue or issuer and were determined to have adequate resources to fulfill contractual obligations.
Mortgage loans amortized cost by debt service coverage ratio distribution and year of origination |
Mortgage loans amortized cost by debt service coverage ratio distribution and year of origination
($ in millions) |  | March 31, 2021 |  | December 31, 2020
|  | 2016 and prior |  | 2017 |  | 2018 |  | 2019 |  | 2020 |  | Current |  | Total |  | Total
Below 1.0 |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15 |  |  | $ | — |
1.0 - 1.25 |  | 29 |  |  | — |  |  | 13 |  |  | 23 |  |  | 10 |  |  | — |  |  | 75 |  |  | 46 |
1.26 - 1.50 |  | 105 |  |  | 36 |  |  | 24 |  |  | 130 |  |  | — |  |  | — |  |  | 295 |  |  | 201 |
Above 1.50 |  | 134 |  |  | 45 |  |  | 119 |  |  | 166 |  |  | 67 |  |  | — |  |  | 531 |  |  | 507 |
Amortized cost before allowance |  | $ | 283 |  |  | $ | 81 |  |  | $ | 156 |  |  | $ | 319 |  |  | $ | 77 |  |  | $ | — |  |  | $ | 916 |  |  | $ | 754 |
Allowance |  |  |  |  |  |  |  |  |  |  |  |  |  | (14) |  |  | (8) |
Amortized cost, net |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 902 |  |  | $ | 746 |
Bank loans amortized cost by credit quality and year of origination |
Bank loans amortized cost by credit rating and year of origination
($ in millions) |  | March 31, 2021 |  | December 31, 2020
|  | 2016 and prior |  | 2017 |  | 2018 |  | 2019 |  | 2020 |  | Current |  | Total |  | Total
BBB |  | $ | — |  |  | $ | 5 |  |  | $ | 7 |  |  | $ | 11 |  |  | $ | 8 |  |  | $ | 29 |  |  | $ | 60 |  |  | $ | 38 |
BB |  | 9 |  |  | 22 |  |  | 30 |  |  | 42 |  |  | 36 |  |  | 172 |  |  | 311 |  |  | 168 |
B |  | 13 |  |  | 68 |  |  | 86 |  |  | 77 |  |  | 139 |  |  | 389 |  |  | 772 |  |  | 456 |
CCC and below |  | 11 |  |  | 28 |  |  | 32 |  |  | 55 |  |  | 27 |  |  | 13 |  |  | 166 |  |  | 161 |
Amortized cost before allowance |  | $ | 33 |  |  | $ | 123 |  |  | $ | 155 |  |  | $ | 185 |  |  | $ | 210 |  |  | $ | 603 |  |  | $ | 1,309 |  |  | $ | 823 |
Allowance |  |  |  |  |  |  |  |  |  |  |  |  |  | (49) |  |  | (51) |
Amortized cost, net |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 1,260 |  |  | $ | 772 |

X
- Definition Allowance for Credit Loss [Table Text Block] + References No definition available. + Details
Name: | all_AllowanceforCreditLossTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Bank loans amortized cost by credit quality and year of origination [Table Text Block] + References No definition available. + Details
Name: | all_BankloansamortizedcostbycreditqualityandyearoforiginationTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage loans amortized cost by debt service coverage ratio distribution and year of origination [Table Text Block] + References No definition available. + Details
Name: | all_MortgageloansamortizedcostbydebtservicecoverageratiodistributionandyearoforiginationTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the schedule of change in unrealized net capital gains and losses by type of securities. + References No definition available. + Details
Name: | all_ScheduleOfChangeInUnrealizedNetCapitalGainsAndLossesTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the schedule of realized gains and losses reported in the statement of income by type of securities. + References No definition available. + Details
Name: | all_ScheduleOfGainLossOnInvestmentsBySecurityTypeTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the schedule of realized gains and losses reported in the statement of income by type of transactions. + References No definition available. + Details
Name: | all_ScheduleOfGainLossOnInvestmentsByTransactionTypeTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Gross Realized Gains (Losses) On Sales Of Fixed Income Securities [Table Text Block] + References No definition available. + Details
Name: | all_ScheduleOfGrossRealizedGainsLossesOnSalesOfFixedIncomeSecuritiesTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents the schedule of unrealized net capital gains and losses recorded in accumulated other comprehensive income by type of securities. + References No definition available. + Details
Name: | all_ScheduleOfUnrealizedCapitalGainsAndLossesIncludedInAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Other Investments, By Type [Table Text Block] + References No definition available. + Details
Name: | all_ScheduleofOtherInvestmentsByTypeTableTextBlock
Namespace Prefix: | all_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953659-111524 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for investment holdings. This includes the long positions of investments for the entity. It contains investments in affiliated and unaffiliated issuers. The investments include securities and non securities (i.e. commodities and futures contracts). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611197-123010 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5D -Subparagraph (SX 210.12-13D) -URI http://asc.fasb.org/extlink&oid=120401592&loc=SL120429264-123010 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611133-123010 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13) -URI http://asc.fasb.org/extlink&oid=120401592&loc=d3e611282-123010 + Details
Name: | us-gaap_InvestmentHoldingsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
Name: | us-gaap_InvestmentIncomeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for the information summarizing investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates. It reflects specified information about ownership, financial results from, and financial position in such entities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 + Details
Name: | us-gaap_InvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=121645371&loc=d3e27340-111563 + Details
Name: | us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of realized gains and losses on investments reported in the statement of income. + References No definition available. + Details
Name: | us-gaap_RealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=121645371&loc=d3e27290-111563 + Details
Name: | us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration