Defined benefit plan health care cost trend rate assumed for post retirement.

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- Definition

Defined benefit plan health care cost trend rate assumed for pre retirement.

+ References

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- Definition

Defined benefit plan ultimate health care costs trend rate.

+ References

No definition available.

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- Definition

Maximum maturity of bonds in benefits obligation.

+ References

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- Definition

Minimum maturity of bonds in benefits obligation.

+ References

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

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- Definition

The interest rate used to adjust for the time value of money.

+ References

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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Long-Term Rate of Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512013

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

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- Definition

Year the ultimate health care cost trend rate is expected to be reached, in CCYY format.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Employee Benefit Plans Level 4 Assumptions (Details)	12 Months Ended
Employee Benefit Plans Level 4 Assumptions (Details)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2015
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Minimum maturity of bonds in benefits obligation	0 years
Maximum maturity of bonds in benefits obligation	30 years
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Pre-65 health care cost trend rate	7.70%	8.05%	8.45%
Post-65 health care cost trend rate	5.60%	5.70%	6.15%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	5.00%	5.00%	4.75%
Year that the rate reaches the ultimate trend rate	2023	2021	2020
Pension Benefits [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.00%	4.75%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, net periodic benefit cost	4.75%	4.00%	4.50%
Expected long-term rate of return on plan assets	7.10%	7.10%	7.30%
Rate of increase in compensation levels	0.00%	3.75%	3.75%
Other Postretirement Benefits [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	3.75%	4.25%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, net periodic benefit cost	4.25%	3.50%	4.00%
Expected long-term rate of return on plan assets	7.10%	7.10%	7.30%
Scenario, Forecast [Member] \| Pension Benefits [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Expected long-term rate of return on plan assets				6.90%
Alternative Assets [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Anticipated portion of fixed income securities in investment mix	20.00%
Fixed Income Funds [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Anticipated portion of fixed income securities in investment mix	60.00%
Equity Securities [Member]
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Anticipated portion of fixed income securities in investment mix	20.00%
The Hartford 2010 Incentive Stock Plan (ISOP) [Member]
Defined Benefit Plan Disclosure [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	12,603,158