2.2.0.7 false Accumulated Other Comprehensive Loss 0220 - Disclosure - Accumulated Other Comprehensive Loss true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Accumulated Other Comprehensive Loss [Abstract] 0 us-gaap_ComprehensiveIncomeNoteAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Accumulated Other Comprehensive Loss 1 us-gaap_ComprehensiveIncomeNoteTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif"> <div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>20.</b>           <b>Accumulated Other Comprehensive Loss</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">The following table displays the components of Accumulated Other Comprehensive Loss. </div> <div align="center" style="margin-top: 12pt"> <table style="font-size: 10pt; padding: 1px; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">  <tr valign="bottom" style="font-size: 0pt"> <td width="60%"> </td> <td width="3%"> </td> <td width="1%"> </td> <td width="15%"> </td> <td width="1%"> </td> <td width="1%"> </td> <td width="1%"> </td> <td width="15%"> </td> <td width="1%"> </td> </tr> <tr style="font-size: 10pt; padding-top: 0px" valign="bottom"> <td nowrap="nowrap" align="left"><i>(in millions)</i></td> <td> </td> <td> </td> <td nowrap="nowrap" align="center" colspan="1"><b>June 30, 2010</b></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td> </td> <td nowrap="nowrap" align="center" colspan="1">December 31, 2009</td> <td> </td> </tr>   <tr style="font-size: 1px; padding-top: 0px"> <td colspan="9" align="left" style="border-top: 2px solid #000000"> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:15px; text-indent:-15px">Other comprehensive income (loss), before tax: </div></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td> </td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td> </td> <td> </td> <td> <div style="text-align: justify">  </div></td> </tr> <tr valign="bottom"> <td> <div style="margin-left:30px; text-indent:-15px">Unrealized gains on securities </div></td> <td> </td> <td align="left"><b>$</b></td> <td align="right"><b>4.8</b></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td align="left">$</td> <td align="right">4.2</td> <td> </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:45px; text-indent:-15px">Tax expense on unrealized gains on securities </div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right"><b>(1.7</b></td> <td nowrap="nowrap"><b>)</b></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(1.6</td> <td nowrap="nowrap">)</td> </tr> <tr valign="bottom"> <td> <div style="margin-left:30px; text-indent:-15px">Unrealized losses on cash flow hedges </div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right"><b>(56.8</b></td> <td nowrap="nowrap"><b>)</b></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(35.0</td> <td nowrap="nowrap">)</td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:45px; text-indent:-15px">Tax benefit on unrealized losses on cash flow hedges </div></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td align="right"><b>22.4</b></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td> </td> <td align="right">14.0</td> <td> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:30px; text-indent:-15px">Unrecognized pension and OPEB costs </div></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right"><b>(47.2</b></td> <td nowrap="nowrap"><b>)</b></td> <td> </td> <td nowrap="nowrap" align="left"> </td> <td align="right">(44.4</td> <td nowrap="nowrap">)</td> </tr> <tr valign="bottom" style="background: #cceeff"> <td> <div style="margin-left:45px; text-indent:-15px">Tax benefit on unrecognized pension and OPEB costs </div></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td align="right"><b>18.1</b></td> <td> </td> <td> <div style="text-align: justify">  </div></td> <td> </td> <td align="right">16.9</td> <td> </td> </tr> <tr style="font-size: 1px"> <td colspan="9" align="left" style="border-top: 2px solid #000000"> </td> </tr> <tr valign="bottom"> <td> <div style="margin-left:15px; text-indent:-15px"><b>Total Accumulated Other Comprehensive Loss, net of taxes</b> </div></td> <td> </td> <td nowrap="nowrap" align="left"><b>$</b></td> <td align="right"><b>(60.4</b></td> <td nowrap="nowrap"><b>)</b></td> <td> </td> <td nowrap="nowrap" align="left">$</td> <td align="right">(45.9</td> <td nowrap="nowrap">)</td> </tr> <tr style="font-size: 1px"> <td colspan="9" align="left" style="border-top: 2px solid #000000"> </td> </tr>  </table> </div> <div align="justify" style="font-size: 10pt; margin-top: 12pt"><u>Equity Investment</u><br /> During 2008, Millennium, in which Columbia Transmission has an equity investment, entered into three interest rate swap agreements with a notional amount totaling $420 million with seven counterparties. These interest rate swap derivatives are primarily accounted for as cash flow hedges by Millennium. The unrecognized after-tax loss of $20.0 million and $5.7 million as of June 30, 2010 and December 31, 2009, respectively, was a decrease in Columbia Transmission’s investment in Millennium and a corresponding increase in accumulated other comprehensive loss, representing its ownership portion of the fair value of these swaps. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt">On July 20, 2010, Millennium completed pricing on two tranches of fixed-rate notes in the private placement market totaling $725.0 million and the associated interest rate swaps were terminated. Millennium will issue the notes, settle the interim bank financing, terminate the sponsor guarantee, and cash settle the interest rate hedges on August 26, 2010. </div>   </div>  <div style="font-family: 'Times New Roman',Times,serif"> <div align="justify" style="font-size: 10pt; margin-top: 0pt"> <u> </u> <u> </u> </div> <div align="justify" style="font-size: 10pt; margin-top: 0pt"> <font style="font-variant: small-caps"> <b> </b> </font> <b> </b> </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock This label may include the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans. 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