XML 93 R70.htm IDEA: XBRL DOCUMENT
v3.19.1

Fair Value of Assets and Liabilities - Carrying values and fair value estimates of financial instruments not carried at fair value (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Financial assets |  |  |  |
Mortgage loans | $ 4,681 | $ 4,670 |  |
Financial liabilities |  |  |  |
Long-term debt | 6,453 | 6,451 |  |
Liability for collateral | 1,973 | 1,458 | $ 1,037 | $ 1,124
Significant unobservable inputs (Level 3) | Carrying value |  |  |  |
Financial assets |  |  |  |
Mortgage loans | 4,681 | 4,670 |  |
Bank loans | 1,300 | 1,350 |  |
Agent loans | 639 | 620 |  |
Financial liabilities |  |  |  |
Contractholder funds on investment contracts | 9,015 | 9,250 |  |
Significant unobservable inputs (Level 3) | Fair value |  |  |  |
Financial assets |  |  |  |
Mortgage loans | 4,787 | 4,703 |  |
Bank loans | 1,271 | 1,298 |  |
Agent loans | 639 | 617 |  |
Financial liabilities |  |  |  |
Contractholder funds on investment contracts | 9,626 | 9,665 |  |
Significant other observable inputs (Level 2) | Carrying value |  |  |  |
Financial liabilities |  |  |  |
Long-term debt | 6,453 | 6,451 |  |
Liability for collateral | 1,973 | 1,458 |  |
Significant other observable inputs (Level 2) | Fair value |  |  |  |
Financial liabilities |  |  |  |
Long-term debt | 6,985 | 6,708 |  |
Liability for collateral | $ 1,973 | $ 1,458 |  |

X
- Definition Represents the portion of other investments categorized as bank loans, as of the balance sheet date, valued at fair value by the entity. + References No definition available. + Details
Name: | all_AgentLoansCategorizedUnderOtherInvestments
Namespace Prefix: | all_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the portion of other investments categorized as bank loans, as of the balance sheet date. + References No definition available. + Details
Name: | all_BankLoansCategorizedUnderOtherInvestments
Namespace Prefix: | all_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents contract holder funds on investment contracts as of the balance sheet date. + References No definition available. + Details
Name: | all_ContractholderFundsOnInvestmentContracts
Namespace Prefix: | all_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The liability to return cash and securities received as collateral in conjunction with securities lending and over-the-counter derivatives. + References No definition available. + Details
Name: | all_ObligationToReturnCollateralSecuritiesLendingAndDerivatives
Namespace Prefix: | all_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |