Commitments, Guarantees and Contingent Liabilities (Details 3) (USD $)	12 Months Ended
Dec. 31, 2014 employee item	Dec. 31, 2013
Guarantees:
Limitations or indemnifications of reinsurance agreements	$ 0
Proceedings:
Number of former employee agents	32all_NumberOfFormerEmployeeAgents
Number of former employee agents plaintiffs seek benefits for	6,300
Reserves for asbestos claims	1,010,000,000all_LiabilityForAsbestosClaimsNet	1,020,000,000all_LiabilityForAsbestosClaimsNet
Reinsurance recoverables for asbestos claims	478,000,000all_ReinsuranceRecoverablesAsbestos	478,000,000all_ReinsuranceRecoverablesAsbestos
Reserves for environmental claims	203,000,000all_LiabilityForEnvironmentalClaimsNet	208,000,000all_LiabilityForEnvironmentalClaimsNet
Reinsurance recoverables for environmental claims	640,000,000all_ReinsuranceRecoverablesEnvironment	60,000,000all_ReinsuranceRecoverablesEnvironment
Percentage of net asbestos and environmental reserves that were for incurred but not reported estimated losses	57.00%	55.00%
Minimum
Proceedings:
Loss contingencies, reasonably possible pretax loss exposure in excess of the amount accrued	0
Maximum
Proceedings:
Loss contingencies, reasonably possible pretax loss exposure in excess of the amount accrued	690,000,000
Residual guarantee
Guarantees:
Potential leased automobiles residual value	32,000,000
Maximum amount at risk pursuant to a guarantee	$ 4,000,000
Guarantee obligations term, low end of range	1 year
Guarantee obligations term, high end of range	3 years

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The high end of the range of the approximate term of the guarantee or each group of similar guarantees.

+ References

No definition available.

+ Details

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- Definition

The low end of the range of the approximate term of the guarantee or each group of similar guarantees.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to asbestos, net of estimated reinsurance recoveries.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to environmental claims, net of estimated reinsurance recoveries.

+ References

No definition available.

+ Details

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- Definition

Estimate of the reasonably possible pretax loss exposure in excess of the amount accrued for the entity's lawsuits, regulatory inquiries and other legal proceedings.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of former employee agents.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of former employee agents plaintiffs seek benefits for.

+ References

No definition available.

+ Details

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- Definition

The percentage of net asbestos and environment reserves that were for incurred but not reported estimated losses.

+ References

No definition available.

+ Details

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- Definition

Represents the aggregate expected value at the end of useful life of leased automobiles.

+ References

No definition available.

+ Details

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- Definition

Represents the limitations or indemnifications of reinsurance agreements with regard to insurance risk transfer, and transferred all of the future risks and responsibilities for performance on the underlying variable annuity contracts to prudential, including those related to benefit guarantees.

+ References

No definition available.

+ Details

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- Definition

The known and estimated amount recoverable related to asbestos claims as of the balance sheet date from reinsurers for claims paid or incurred by the ceding insurer and associated claims settlement expenses, including estimated amounts for claims incurred but not reported, and policy benefits, net of any related valuation allowance.

+ References

No definition available.

+ Details

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- Definition

The known and estimated amount recoverable related to environment related claims as of the balance sheet date from reinsurers for claims paid or incurred by the ceding insurer and associated claims settlement expenses, including estimated amounts for claims incurred but not reported, and policy benefits, net of any related valuation allowance.

+ References

No definition available.

+ Details

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- Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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