XML 95 R72.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative Financial Instruments - Summary of the volume and fair value positions of derivative instruments (Details) $ in Millions | Mar. 31, 2019 USD ($) contract | Dec. 31, 2018 USD ($) contract | Mar. 31, 2018 contract
--- | --- | --- | ---
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |
Cash and securities pledged in the form of margin deposits | $ 136 |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 452 | $ 470 |
Total liability derivatives, notional amount | 3,195 | 2,675 |
Total derivatives, notional amount | $ 3,647 | $ 3,145 |
Total asset derivatives, number of contracts | contract | 9,680 | 13,914 |
Total liability derivatives, number of contracts | contract | 8,469 | 12,256 |
Total derivatives, Number of contracts | contract | 18,149 | 26,170 |
Derivative assets net amount on balance sheet | $ 104 | $ 124 |
Asset derivatives gross amount | 109 | 130 |
Asset derivatives, gross liability | (5) | (6) |
Derivative liabilities net amount on balance sheet | (282) | (269) |
Total derivatives, fair value, net | (178) | (145) |
Liability derivatives, gross asset | 17 | 12 |
Liability derivatives gross amount | $ (299) | $ (281) |
Derivatives designated as fair value accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total derivatives, Number of contracts | contract | 1 |  | 1
Other assets | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, number of contracts | contract | 1,025 | 1,330 |
Interest rate swaption agreements | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | $ 10 |  |
Derivative liabilities net amount on balance sheet | 0 |  |
Liability derivatives, gross asset | 0 |  |
Liability derivatives gross amount | 0 |  |
Interest rate cap agreements | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 4 | $ 6 |
Derivative assets net amount on balance sheet | 0 | 0 |
Asset derivatives gross amount | 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 | 32 | 31 |
Derivative liabilities net amount on balance sheet | 1 | 1 |
Liability derivatives, gross asset | 1 | 1 |
Liability derivatives gross amount | 0 | 0 |
Futures | Other assets | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 0 | 0 |
Derivative assets net amount on balance sheet | 0 | 1 |
Asset derivatives gross amount | 0 | 1 |
Asset derivatives, gross liability | 0 | 0 |
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 | 2,510 | 1,300 |
Derivative liabilities net amount on balance sheet | $ (1) | $ (1) |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | (1) | (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 | 7,040 | 11,131 |
Derivative assets net amount on balance sheet | $ 95 | $ 115 |
Asset derivatives gross amount | 95 | 115 |
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 | 1,615 | 1,453 |
Derivative assets net amount on balance sheet | $ 1 | $ 1 |
Asset derivatives gross amount | 1 | 1 |
Asset derivatives, gross liability | 0 | 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 | 869 |  |
Derivative liabilities net amount on balance sheet | $ (1) |  |
Liability derivatives, gross asset | 0 |  |
Liability derivatives gross amount | (1) |  |
Total return swap agreements – fixed income | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 3 | 7 |
Derivative assets net amount on balance sheet | 0 | 0 |
Asset derivatives gross amount | 0 | 0 |
Asset derivatives, gross liability | 0 | 0 |
Total return swap agreements – fixed income | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | 17 | 38 |
Derivative liabilities net amount on balance sheet | 1 | (1) |
Liability derivatives, gross asset | 1 | 0 |
Liability derivatives gross amount | 0 | (1) |
Total return swap agreements – equity index | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 93 | 61 |
Derivative assets net amount on balance sheet | 1 | (2) |
Asset derivatives gross amount | 1 | 0 |
Asset derivatives, gross liability | 0 | (2) |
Total return swap agreements – equity index | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount |  | 71 |
Derivative liabilities net amount on balance sheet |  | (4) |
Liability derivatives, gross asset |  | 0 |
Liability derivatives gross amount |  | (4) |
Options | 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 | 5,090 | 10,956 |
Derivative liabilities net amount on balance sheet | $ (33) | $ (50) |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | (33) | (50) |
Foreign currency forwards | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 229 | 258 |
Derivative assets net amount on balance sheet | 9 | 10 |
Asset derivatives gross amount | 10 | 11 |
Asset derivatives, gross liability | (1) | (1) |
Foreign currency forwards | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | 334 | 341 |
Derivative liabilities net amount on balance sheet | 12 | 10 |
Liability derivatives, gross asset | 14 | 11 |
Liability derivatives gross amount | (2) | (1) |
Guaranteed accumulation benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | 179 | 169 |
Derivative liabilities net amount on balance sheet | (19) | (25) |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | (19) | (25) |
Guaranteed withdrawal benefits | Contractholder funds | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | 221 | 210 |
Derivative liabilities net amount on balance sheet | (12) | (14) |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | (12) | (14) |
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 | 1,778 | 1,770 |
Derivative liabilities net amount on balance sheet | (220) | (185) |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | (220) | (185) |
Credit default swaps – buying protection | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 112 | 136 |
Derivative assets net amount on balance sheet | (2) | (1) |
Asset derivatives gross amount | 2 | 2 |
Asset derivatives, gross liability | (4) | (3) |
Credit default swaps – buying protection | Other liabilities & accrued expenses | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total liability derivatives, notional amount | 623 | 40 |
Derivative liabilities net amount on balance sheet | (10) | 0 |
Liability derivatives, gross asset | 1 | 0 |
Liability derivatives gross amount | (11) | 0 |
Credit default swaps – selling protection | Other investments | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 8 |  |
Derivative assets net amount on balance sheet | 0 |  |
Asset derivatives gross amount | 0 |  |
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 | 1 | 5 |
Derivative liabilities net amount on balance sheet | 0 | 0 |
Liability derivatives, gross asset | 0 | 0 |
Liability derivatives gross amount | 0 | 0 |
Other | Other assets | Derivatives designated as fair value accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount | 3 |  |
Derivative assets net amount on balance sheet | 0 |  |
Asset derivatives gross amount | 0 |  |
Asset derivatives, gross liability | $ 0 |  |
Other | Other assets | Derivatives not designated as accounting hedging instruments |  |  |
Derivatives, Fair Value |  |  |
Total asset derivatives, notional amount |  | 2 |
Derivative assets net amount on balance sheet |  | 0 |
Asset derivatives gross amount |  | 0 |
Asset derivatives, gross liability |  | $ 0 |

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

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_DesignatedAsHedgingInstrumentMember
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_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwaptionMember
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_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_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_EquityAndIndexContractsOptionsFinancialFuturesMember
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: |