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EQUITY OFFERINGS/TRANSACTIONS WITH LISTED SUBSIDIARIES (Details) (USD $)
0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended
Jun. 30, 2014
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Jan. 31, 2013
Nov. 30, 2012
Jul. 31, 2012
Apr. 30, 2011
Sep. 10, 2014
Mar. 28, 2014
Feb. 07, 2013
Nov. 08, 2012
Jul. 19, 2012
Dec. 31, 2011
Oct. 19, 2011
Equity offerings of subsidiaries:                                  
Net proceeds for shares issued $ 660,947,000us-gaap_ProceedsFromIssuanceOfCommonStock $ 0us-gaap_ProceedsFromIssuanceOfCommonStock $ 660,947,000us-gaap_ProceedsFromIssuanceOfCommonStock $ 0us-gaap_ProceedsFromIssuanceOfCommonStock $ 0us-gaap_ProceedsFromIssuanceOfCommonStock                        
Net Proceeds From Issuance Of Common Units     (660,947,000)glng_NetProceedsFromIssuanceOfCommonUnits                            
Golar LNG Partners                                  
Equity offerings of subsidiaries:                                  
Number of Common Units Issued by Golar LNG Partners           5,100,000us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativeNumberOfSharesIssuedForAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[1] 3,900,000us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativeNumberOfSharesIssuedForAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[1] 4,300,000us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativeNumberOfSharesIssuedForAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[1] 6,325,000us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativeNumberOfSharesIssuedForAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[1] 13,800,000us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativeNumberOfSharesIssuedForAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[1]              
Number of Common Units Issued to the Company           0glng_SubsidiaryOrEquityMethodInvesteeSharesIssuedToParent
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
416,947glng_SubsidiaryOrEquityMethodInvesteeSharesIssuedToParent
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
1,524,590glng_SubsidiaryOrEquityMethodInvesteeSharesIssuedToParent
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
969,305glng_SubsidiaryOrEquityMethodInvesteeSharesIssuedToParent
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
9,327,254glng_SubsidiaryOrEquityMethodInvesteeSharesIssuedToParent
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
             
Offering Price (USD per share)       $ 29.10us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
  $ 29.10us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
$ 29.74us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
$ 30.50us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
$ 30.95us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
$ 22.50us-gaap_SaleOfStockPricePerShare
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
             
Gross Proceeds From Issuance Of Common Units           148,410,000glng_GrossProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[2] 115,986,000glng_GrossProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[2] 131,150,000glng_GrossProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[2] 188,485,000glng_GrossProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[2] 310,500,000glng_GrossProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[2]              
Net Proceeds From Issuance Of Common Units           147,313,000glng_NetProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
115,224,000glng_NetProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
129,981,000glng_NetProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
187,138,000glng_NetProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
287,795,000glng_NetProceedsFromIssuanceOfCommonUnits
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
             
Company's Ownership in Golar Partners after the Offering           41.40%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[3] 50.90%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[3] 54.10%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[3] 57.50%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[3] 65.40%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
[3]              
Principal Shareholder                                  
Equity offerings of subsidiaries:                                  
Percentage shareholders' ownership before transaction   36.20%glng_PercentageofShareholdersOwnershipbeforeTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
                36.20%glng_PercentageofShareholdersOwnershipbeforeTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
           
Percentage shareholders' ownership after transaction   2.00%glng_PercentageofShareholdersOwnershipafterTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
                1.90%glng_PercentageofShareholdersOwnershipafterTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
           
Retained investment in subsidiary | Golar LNG Partners | Golar Igloo                                  
Equity offerings of subsidiaries:                                  
Sales price     156,000,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
                156,001,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Less: Net assets transferred     (112,700,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
                (310,000,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Excess of sales price over net assets transferred     43,300,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
                           
Additions to Golar's stockholders' equity and noncontrolling interest     0glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
                           
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Purchase Consideration                       310,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsPurchaseConsideration
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Working Capital Adjustment                       3,700,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsWorkingCapitalAdjustment
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Debt Assumed                       161,300,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsDebtAssumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Interest rate swap asset assumed                       3,600,000glng_Interestrateswapliabilityassumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarIglooMember
         
Retained investment in subsidiary | Golar LNG Partners | Golar Maria                                  
Equity offerings of subsidiaries:                                  
Sales price       127,900,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
  127,900,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
            127,900,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Less: Net assets transferred       (45,600,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
  (45,600,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
          (112,714,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
(45,630,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Excess of sales price over net assets transferred     82,300,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
82,300,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
  82,300,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
          43,287,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
82,270,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Additions to Golar's stockholders' equity and noncontrolling interest       0glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
  0glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
                     
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Purchase Consideration                         215,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsPurchaseConsideration
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Working Capital Adjustment                         5,500,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsWorkingCapitalAdjustment
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Swap Liability Assumed                         3,100,000glng_SwapLiabilityAssumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Debt Assumed                         89,500,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsDebtAssumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarMariaMember
       
Retained investment in subsidiary | Golar LNG Partners | Golar Grand                                  
Equity offerings of subsidiaries:                                  
Sales price         176,800,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
                176,800,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
     
Less: Net assets transferred         (43,100,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
                       
Excess of sales price over net assets transferred         133,700,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
                       
Additions to Golar's stockholders' equity and noncontrolling interest         88,300,000glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
                       
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Purchase Consideration                           265,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsPurchaseConsideration
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
     
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Working Capital Adjustment                           2,600,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsWorkingCapitalAdjustment
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
     
Capital lease obligation assumed                           90,800,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsCapitalLeaseObligationAssumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarGrandMember
     
Retained investment in subsidiary | Golar LNG Partners | NR Satu                                  
Equity offerings of subsidiaries:                                  
Sales price         388,000,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
                  388,000,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
   
Less: Net assets transferred         (255,700,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
                       
Excess of sales price over net assets transferred         132,300,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
                       
Additions to Golar's stockholders' equity and noncontrolling interest         85,800,000glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
                       
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Purchase Consideration                             385,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsPurchaseConsideration
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
   
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Working Capital Adjustment                             3,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsWorkingCapitalAdjustment
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
   
Vendor financing amount                             (155,000,000)glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsVendorFinancingAmount
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
   
Equity offering financing amount                             (230,000,000)glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsEquityOfferingFinancingAmount
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_NrSatuMember
   
Retained investment in subsidiary | Golar LNG Partners | Golar Freeze                                  
Equity offerings of subsidiaries:                                  
Sales price                               231,300,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
231,300,000us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Less: Net assets transferred                               (65,500,000)glng_SignificantAcquisitionsAndDisposalsAssetsTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
 
Excess of sales price over net assets transferred                               165,800,000glng_SignificantAcquisitionsAndDisposalsExcessSalesPrice
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
 
Additions to Golar's stockholders' equity and noncontrolling interest                               96,700,000glng_SignificantAcquisitionsAndDisposalsAdditionsToEquity
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
 
Percentage ownership transferred                                 100.00%glng_SignificantAcquisitionsAndDisposalsPercentageOwnershipTransferred
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Purchase Consideration                                 330,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsPurchaseConsideration
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Working Capital Adjustment                                 9,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsWorkingCapitalAdjustment
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds, Debt Assumed                                 108,000,000glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsDebtAssumed
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Vendor financing amount                                 (222,300,000)glng_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsVendorFinancingAmount
/ dei_LegalEntityAxis
= glng_GolarLngPartnersMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_RetainedInvestmentInSubsidiaryMember
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= glng_GolarFreezeLimitedMember
Common Stock                                  
Equity offerings of subsidiaries:                                  
Number of common units issued (in shares) 12,650,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
32,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
                             
Offering price (USD per share) $ 54us-gaap_SharesIssuedPricePerShare
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 58.50us-gaap_SharesIssuedPricePerShare
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
                             
Gross proceeds of shares issued 683,100,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
                               
Net Proceeds From Issuance Of Common Units     $ (12,650,000)glng_NetProceedsFromIssuanceOfCommonUnits
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
                           
Common Stock | Underwriter's Option                                  
Equity offerings of subsidiaries:                                  
Number of common units issued (in shares) 1,650,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_OverAllotmentOptionMember
4,173,913us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_OverAllotmentOptionMember
                             
[1] Pertains to common units issued by Golar Partners to the public.
[2] Represents gross and net proceeds from Golar Partners' public offering (excluding proceeds received from Golar's participation in the concurrent private placement).
[3] Includes our general partner interest in Golar Partners.