XML 119 R100.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative Financial Instruments and Off-balance sheet Financial Instruments - Summary of the volume and fair value positions (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) contract | Dec. 31, 2017 USD ($) contract
Derivative Financial Instruments and Off-balance sheet Financial Instruments |  |
Assumed recoveries under sale of credit protection | $ 0 |
Cash and securities pledged in the form of margin deposits | 277 |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 470 | $ 255
Total liability derivatives, Notional amount | 2,675 | 3,133
Total derivatives, Notional amount | $ 3,145 | $ 3,388
Total asset derivatives, Number of contracts | contract | 13,914 | 6,605
Total liability derivatives, Number of contracts | contract | 12,256 | 7,128
Total derivatives, Number of contracts | contract | 26,170 | 13,733
Net amount on balance sheet | $ 124 | $ 126
Asset derivatives, Gross asset | 130 | 127
Asset derivatives, gross liability | (6) | (1)
Net amount on balance sheet | (269) | (363)
Total derivatives, Fair value, net | (145) | (237)
Liability derivatives, Gross asset | 12 | 6
Liability derivatives, Gross liability | (281) | (369)
Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount |  | $ 3,114
Total liability derivatives, Number of contracts | contract |  | 7,128
Net amount on balance sheet |  | $ (365)
Liability derivatives, Gross asset |  | 4
Liability derivatives, Gross liability |  | (369)
Foreign currency swap agreements | Other liabilities & accrued expenses | Derivatives designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount |  | 19
Net amount on balance sheet |  | 2
Liability derivatives, Gross asset |  | 2
Liability derivatives, Gross liability |  | 0
Interest rate cap agreements | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 6 | 15
Net amount on balance sheet | 0 | 0
Asset derivatives, Gross asset | 0 | 0
Asset derivatives, gross liability | 0 | 0
Interest rate cap agreements | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 31 | 30
Net amount on balance sheet | 1 | 1
Liability derivatives, Gross asset | 1 | 1
Liability derivatives, Gross liability | 0 | 0
Futures | Other assets | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | $ 0 |
Total asset derivatives, Number of contracts | contract | 1,330 |
Net amount on balance sheet | $ 1 |
Asset derivatives, Gross asset | 1 |
Asset derivatives, gross liability | 0 |
Futures | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | $ 0 |
Total liability derivatives, Number of contracts | contract | 1,300 |
Net amount on balance sheet | $ (1) |
Liability derivatives, Gross asset | 0 |
Liability derivatives, Gross liability | (1) |
Options | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | $ 0 | $ 0
Total asset derivatives, Number of contracts | contract | 11,131 | 6,316
Net amount on balance sheet | $ 115 | $ 125
Asset derivatives, Gross asset | 115 | 125
Asset derivatives, gross liability | 0 | 0
Futures | Other assets | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | $ 0 | $ 0
Total asset derivatives, Number of contracts | contract | 1,453 | 289
Net amount on balance sheet | $ 1 | $ 0
Asset derivatives, Gross asset | 1 | 0
Asset derivatives, gross liability | 0 | 0
Total return swap agreements - fixed income | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 7 |
Total liability derivatives, Notional amount | $ 38 |
Total asset derivatives, Number of contracts | contract | 0 |
Total liability derivatives, Number of contracts | contract | 0 |
Net amount on balance sheet | $ 0 |
Asset derivatives, Gross asset | 0 |
Asset derivatives, gross liability | 0 |
Net amount on balance sheet | (1) |
Liability derivatives, Gross asset | 0 |
Liability derivatives, Gross liability | (1) |
Total return swap agreements - equity index | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 61 |
Total liability derivatives, Notional amount | $ 71 |
Total asset derivatives, Number of contracts | contract | 0 |
Total liability derivatives, Number of contracts | contract | 0 |
Net amount on balance sheet | $ (2) |
Asset derivatives, Gross asset | 0 |
Asset derivatives, gross liability | (2) |
Net amount on balance sheet | (4) |
Liability derivatives, Gross asset | 0 |
Liability derivatives, Gross liability | (4) |
Options and futures | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | $ 0 | $ 0
Total liability derivatives, Number of contracts | contract | 10,956 | 7,128
Net amount on balance sheet | $ (50) | $ (58)
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | (50) | (58)
Foreign currency forwards | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 258 | 52
Net amount on balance sheet | 10 | 1
Asset derivatives, Gross asset | 11 | 1
Asset derivatives, gross liability | (1) | 0
Foreign currency forwards | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 341 | 650
Net amount on balance sheet | 10 | (17)
Liability derivatives, Gross asset | 11 | 3
Liability derivatives, Gross liability | (1) | (20)
Guaranteed accumulation benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 169 | 225
Net amount on balance sheet | (25) | (22)
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | (25) | (22)
Guaranteed withdrawal benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 210 | 274
Net amount on balance sheet | (14) | (12)
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | (14) | (12)
Equity-indexed and forward starting options in life and annuity product contracts | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 1,770 | 1,774
Net amount on balance sheet | (185) | (252)
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | (185) | (252)
Credit default swaps – buying protection | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 136 | 105
Net amount on balance sheet | (1) | (1)
Asset derivatives, Gross asset | 2 | 0
Asset derivatives, gross liability | (3) | (1)
Credit default swaps – buying protection | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 40 | 136
Net amount on balance sheet | 0 | (5)
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | 0 | (5)
Credit default swaps – selling protection | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount |  | 80
Net amount on balance sheet |  | 1
Asset derivatives, Gross asset |  | 1
Asset derivatives, gross liability |  | 0
Credit default swaps – selling protection | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total liability derivatives, Notional amount | 5 | 25
Net amount on balance sheet | 0 | 0
Liability derivatives, Gross asset | 0 | 0
Liability derivatives, Gross liability | 0 | 0
Other | Other investments | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount | 2 |
Net amount on balance sheet | 0 |
Asset derivatives, Gross asset | 0 |
Asset derivatives, gross liability | $ 0 |
Other | Other assets | Derivatives not designated as accounting hedging instruments |  |
Derivatives, Fair Value |  |
Total asset derivatives, Notional amount |  | 3
Net amount on balance sheet |  | 0
Asset derivatives, Gross asset |  | 0
Asset derivatives, gross liability |  | $ 0

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

X
- Definition Represents the potential amount of recoveries under sale of credit protection. + References No definition available. + Details
Name: | all_PotentialRecoveriesUnderCreditRiskDerivatives
Namespace Prefix: | all_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetFairValueGrossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeAssetNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments of a particular derivative asset or group of derivative assets held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 + Details
Name: | us-gaap_DerivativeAssetNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeLiabilityFairValueGrossAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeLiabilityNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments of a particular derivative liability or group of derivative liabilities held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeLiabilityNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 + Details
Name: | us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MarginDepositAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CurrencySwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateCapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_InterestRateFinancialFuturesContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_EquityAndIndexContractsOptionsAndWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_EquityAndIndexContractsFinancialFuturesContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_TotalReturnSwapFixedIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_TotalReturnSwapEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_EquityAndIndexContractsOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_ForeignCurrencyForwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_GuaranteedMinimumAccumulationBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_ContractHolderFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_GuaranteedMinimumWithdrawalBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=all_EmbeddedDerivativeEquityIndexedAndForwardStartingOptionsInLifeAndAnnuityProductContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditDefaultSwapBuyingProtectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditDefaultSwapSellingProtectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_OtherContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |