Supplemental Cash Flow Disclosures - EGTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	$ 2,071	$ 2,041	$ 1,855
Income taxes (received) paid, net	(1,863)	(1,309)	(1,361)
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	1,049	834	801
EGTS
Condensed Cash Flow Statements, Captions [Line Items]
Interest paid, net of amounts capitalized	67	71	82
Income taxes (received) paid, net	2	(12)	58
Supplemental disclosure of non-cash investing and financing transactions:
Accruals related to property, plant and equipment additions	15	29	25
Equity distributions	(21)	(58)	0
Equity contributions	34	292	0
Acquisition of Eastern Energy Gas by BHE	$ 0	$ 0	$ 40