Supplemental Cash Flow Disclosures - EEGH (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	$ 2,304	$ 2,109	$ 2,071
Income taxes paid (refunded)	(1,501)	(1,370)	(1,863)
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	1,337	1,494	1,049
EEGH
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	130	144	143
Income taxes paid (refunded)	0	5	2
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	10	18	29
Equity distributions	(322)	(224)	(42)
Equity contributions	$ 119	$ 38	$ 98