Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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+ Details

Income Taxes - EEGH - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
Income Taxes - EEGH - Narrative (Details) - USD ($)	Nov. 01, 2020	Jun. 30, 2015	Dec. 31, 2021	Dec. 31, 2019	Dec. 31, 2020
Schedule of Income Tax Expense (Benefit) Components [Line Items]
Income tax expense				$ 33,000,000
Unrecognized tax benefits			$ 100,000,000		$ 141,000,000
EEGH
Schedule of Income Tax Expense (Benefit) Components [Line Items]
Federal and state carryforwards			7,000,000		$ 0
Unrecognized tax benefits			$ 0
EEGH \| Cove Point LNG, LP
Schedule of Income Tax Expense (Benefit) Components [Line Items]
Ownership interest	25.00%	75.00%	75.00%