Defined Benefit Plan Health Care Trend Rate Pre and Post Sixty Five

No definition available.

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- Definition

Defined Benefit Plan Target Allocation Percentage of Assets Hedged Funds and Similar Investments

+ References

No definition available.

+ Details

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- Definition

Defined Benefit Plan Target Allocation Percentage of Assets Total

+ References

No definition available.

+ Details

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- Details

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- Definition

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

+ References

+ Details

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- Definition

The ultimate trend rate for health care costs.

+ 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 (l)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph l

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Retirement Benefits and Trusteed Assets Retirement Benefits and Trusteed Assets (Details 13) (Other Postretirement Benefit Plans, Defined Benefit [Member])	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Other Postretirement Benefits Target Allocations of Plan Assets [Line Items]
Defined Benefit Plan Health Care Trend Rate Pre and Post Sixty Five	7.00%	7.00%	7.00%	7.00%
Defined Benefit Plan Target Allocation Percentage of Assets Hedged Funds and Similar Investments	20.00%
Defined Benefit Plan Target Allocation Percentage of Assets Total	100.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	5.00%	5.00%	5.00%	5.00%
Us Large Cap Equity Securities [Member]
Other Postretirement Benefits Target Allocations of Plan Assets [Line Items]
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities	21.00%
Non US Equity Securities [Member]
Other Postretirement Benefits Target Allocations of Plan Assets [Line Items]
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities	20.00%
Fixed Income Securities [Member]
Other Postretirement Benefits Target Allocations of Plan Assets [Line Items]
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities	25.00%
Equity Securities, Other [Member]
Other Postretirement Benefits Target Allocations of Plan Assets [Line Items]
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities	14.00%