2.2.0.25falsefalse41201 - Disclosure - Commitments and Contingencies (Narrative) (Details)truefalseIn Millionsfalse1falsefalseUSDfalsefalse1/30/2011
USD ($)
USD ($) / shares
$As_Of_1_30_2011http://www.sec.gov/CIK0000354950instant2011-01-30T00:00:000001-01-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0hd_CommitmentsAndContingenciesAbstracthdfalsenadurationCommitments and Contingenciesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringCommitments and Contingenciesfalsefalse3false0us-gaap_SignificantCommitmentRemainingMinimumAmountCommittedus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse606000000606falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe floor amount as of the balance sheet date that the entity must expend to satisfy the terms of the disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from a supplier, or to commit resources to supply goods or services to a customer.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 25
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 17
-Article 9
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 7
falsefalse12Commitments and Contingencies (Narrative) (Details) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue
