Income Taxes - EEGH - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets:
Other	$ 741	$ 686
Total deferred income tax assets, net	2,972	2,995
Deferred income tax liabilities:
Property-related items	(12,244)	(11,814)
Other	(510)	(478)
Total deferred income tax liabilities	(15,650)	(15,933)
Net deferred income tax liability	(12,678)	(12,938)
EEGH
Deferred income tax assets:
Federal and state carryforwards	23	7
Employee benefits	22	33
Intangibles	112	150
Derivatives and hedges	16	16
Other	7	9
Total deferred income tax assets, net	180	215
Deferred income tax liabilities:
Property-related items	(214)	(129)
Partnership investments	(51)	(49)
Debt exchange	(53)	(60)
Deferred state income taxes	(4)	(16)
Other	(12)	(16)
Total deferred income tax liabilities	(334)	(270)
Net deferred income tax liability	$ (154)	$ (55)