Components of Accumulated Other Comprehensive Loss, Net - EEGH - Reclassifications from AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Loss, Net [Line Items]
Interest expense	$ 2,415	$ 2,216	$ 2,118
Other, net	116	(7)	(17)
Income before income tax expense (benefit) and equity income (loss)	1,961	1,413	5,294
Income tax expense (benefit)	(1,699)	(1,916)	(1,132)
Net income	3,372	3,144	6,189
EEGH
Accumulated Other Comprehensive Loss, Net [Line Items]
Interest expense	146	147	151
Other, net	(3)	(1)	1
Income before income tax expense (benefit) and equity income (loss)	866	913	725
Income tax expense (benefit)	110	167	117
Net income	830	849	652
EEGH | Cash flow hedge | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Loss, Net [Line Items]
Income before income tax expense (benefit) and equity income (loss)	(5)	4	27
Income tax expense (benefit)	1	(1)	(7)
Net income	(4)	3	20
EEGH | Cash flow hedge | Interest rate derivatives | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Loss, Net [Line Items]
Interest expense	3	3	6
EEGH | Cash flow hedge | Foreign currency exchange rate derivatives | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Loss, Net [Line Items]
Other, net	$ (8)	$ 1	$ 21