Consolidated Statements of Cash Flows Parenthetical - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Cash flows from investing activities
Property, Plant And Equipment, Reduction For Testing Costs Recovered, Collected Portion	$ 42	$ 43

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