Supplemental Cash Flow Disclosures - EGTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	$ 2,109	$ 2,071	$ 2,041
Income taxes paid (refunded)	(1,370)	(1,863)	(1,309)
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	1,494	1,049	834
EGTS
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	69	67	71
Income taxes paid (refunded)	5	2	(12)
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	9	15	29
Equity distributions	(23)	(21)	(58)
Equity contributions	$ 29	$ 34	$ 292