v2.4.0.6

Benefit Plans (Allocation Of Plan Assets) (Details) | 12 Months Ended
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Dec. 31, 2012
Pension Plans, Defined Benefit [Member] | Cash and Equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 0.00%
Target range allocation, maximum | 5.00%
Actual allocation | 4.00%
Pension Plans, Defined Benefit [Member] | U.S. Large Cap Core [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 10.00%
Target range allocation, maximum | 20.00%
Actual allocation | 13.00%
Pension Plans, Defined Benefit [Member] | U.S. Large Cap Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 6.00%
Target range allocation, maximum | 16.00%
Actual allocation | 11.00%
Pension Plans, Defined Benefit [Member] | U.S. Large Cap Growth [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 6.00%
Target range allocation, maximum | 16.00%
Actual allocation | 11.00%
Pension Plans, Defined Benefit [Member] | U.S. Small Cap Value [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 0.00%
Target range allocation, maximum | 6.00%
Actual allocation | 3.00%
Pension Plans, Defined Benefit [Member] | U.S. Small Cap Growth [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 0.00%
Target range allocation, maximum | 6.00%
Actual allocation | 3.00%
Pension Plans, Defined Benefit [Member] | International - Developed Markets [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 11.00%
Target range allocation, maximum | 23.00%
Actual allocation | 16.00%
Pension Plans, Defined Benefit [Member] | International - Emerging Markets [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 0.00%
Target range allocation, maximum | 8.00%
Actual allocation | 4.00%
Pension Plans, Defined Benefit [Member] | Global Asset Allocation Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 5.00%
Target range allocation, maximum | 15.00%
Actual allocation | 10.00%
Pension Plans, Defined Benefit [Member] | Fixed Income Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 15.00%
Target range allocation, maximum | 35.00%
Actual allocation | 25.00%
Other Postretirement Benefits Plans [Member] | Cash and Equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 0.00%
Target range allocation, maximum | 5.00%
Actual allocation | 2.00%
Other Postretirement Benefits Plans [Member] | Domestic [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 25.00%
Target range allocation, maximum | 45.00%
Actual allocation | 34.00%
Other Postretirement Benefits Plans [Member] | International [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 10.00%
Target range allocation, maximum | 20.00%
Actual allocation | 15.00%
Other Postretirement Benefits Plans [Member] | Global Asset Allocation Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 20.00%
Target range allocation, maximum | 40.00%
Actual allocation | 29.00%
Other Postretirement Benefits Plans [Member] | Fixed Income Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, minimum | 10.00%
Target range allocation, maximum | 30.00%
Actual allocation | 20.00%

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- Definition Target allocation maximum percentage 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=21915506&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 + Details
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- Definition Target allocation minimum percentage 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=21915506&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(1) -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. + Details
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