XML 60 R100.htm IDEA: XBRL DOCUMENT v2.4.1.9
Reinsurance (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property-liability insurance premiums earned      
Direct $ 31,858us-gaap_DirectPremiumsEarned $ 31,547us-gaap_DirectPremiumsEarned $ 30,654us-gaap_DirectPremiumsEarned
Assumed 674us-gaap_AssumedPremiumsEarned 131us-gaap_AssumedPremiumsEarned 88us-gaap_AssumedPremiumsEarned
Ceded (1,446)us-gaap_CededPremiumsEarned (1,708)us-gaap_CededPremiumsEarned (1,764)us-gaap_CededPremiumsEarned
Property-liability insurance premiums earned, net of reinsurance 31,086us-gaap_PremiumsEarnedNet 29,970us-gaap_PremiumsEarnedNet 28,978us-gaap_PremiumsEarnedNet
Life and annuity premiums and contract charges      
Life and annuity premiums and contract charges, net of reinsurance 2,157all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded 2,352all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded 2,241all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded
Property-liability insurance premiums earned      
Property-liability insurance premiums written      
Direct 30,686us-gaap_DirectPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
29,241us-gaap_DirectPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
28,103us-gaap_DirectPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Assumed 48us-gaap_AssumedPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
52us-gaap_AssumedPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
35us-gaap_AssumedPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Ceded (1,120)us-gaap_CededPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
(1,129)us-gaap_CededPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
(1,111)us-gaap_CededPremiumsWritten
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Property-liability insurance premiums written, net of reinsurance 29,614us-gaap_PremiumsWrittenNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
28,164us-gaap_PremiumsWrittenNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
27,027us-gaap_PremiumsWrittenNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Property-liability insurance premiums earned      
Direct 29,914us-gaap_DirectPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
28,638us-gaap_DirectPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
27,794us-gaap_DirectPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Assumed 45us-gaap_AssumedPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
49us-gaap_AssumedPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
33us-gaap_AssumedPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Ceded (1,030)us-gaap_CededPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
(1,069)us-gaap_CededPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
(1,090)us-gaap_CededPremiumsEarned
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Property-liability insurance premiums earned, net of reinsurance 28,929us-gaap_PremiumsEarnedNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
27,618us-gaap_PremiumsEarnedNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
26,737us-gaap_PremiumsEarnedNet
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_PropertyLiabilityAndCasualtyInsuranceSegmentMember
Life and annuity premiums and contract charges      
Life and annuity premiums and contract charges      
Direct 1,944all_DirectLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
2,909all_DirectLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
2,860all_DirectLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
Assumed 629all_AssumedLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
82all_AssumedLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
55all_AssumedLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
Ceded (416)all_CededLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
(639)all_CededLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
(674)all_CededLifeAndAnnuityPremiumsAndContractCharges
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
Life and annuity premiums and contract charges, net of reinsurance $ 2,157all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
$ 2,352all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember
$ 2,241all_LifeAndAnnuityPremiumsAndContractChargesNetOfReinsuranceCeded
/ us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis
= us-gaap_LifeAndAnnuityInsuranceProductLineMember