Consolidated Statements of Cash Flows Parenthetical - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Cash flows from investing activities
Property, Plant And Equipment, Reduction For Testing Costs Recovered, Collected Portion	$ 94	$ 0

Property, Plant And Equipment, Reduction For Testing Costs Recovered, Collected Portion

No definition available.

Name:	lng_PropertyPlantAndEquipmentReductionForTestingCostsRecoveredCollectedPortion
Namespace Prefix:	lng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration