Consolidated Statements of Changes in Equity - EGTS - USD ($) $ in Millions	Total	EGTS	Common Stock EGTS	Additional Paid-in Capital EGTS	Retained Earnings EGTS	Accumulated Other Comprehensive Income (Loss) EGTS
Balance (shares) at Dec. 31, 2019			60,101,000,000
Balance at Dec. 31, 2019		$ 2,368	$ 609	$ 889	$ 947	$ (77)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	$ 6,943	(181)			(181)
Other comprehensive income (loss)		77				77
Dividends declared		(125)			(125)
Acquisition of EGTS by BHE		40		40
Balance (shares) at Dec. 31, 2020			60,101,000,000
Balance at Dec. 31, 2020		2,179	$ 609	929	641	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	$ 5,790	156			156
Other comprehensive income (loss)		(31)				(31)
Dividends declared		(76)			(76)
Contributions		$ 312		312
Balance (shares) at Dec. 31, 2021	76,000,000	60,101	60,101,000,000
Balance at Dec. 31, 2021	$ 46,694	$ 2,540	$ 609	1,241	721	(31)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	$ 2,721	261			261
Other comprehensive income (loss)		1				1
Dividends declared		(236)			(236)
Contributions		$ 34		34
Balance (shares) at Dec. 31, 2022	76,000,000	60,101	60,101,000,000
Balance at Dec. 31, 2022	$ 46,832	$ 2,600	$ 609	$ 1,275	$ 746	$ (30)