Components of Accumulated Other Comprehensive Loss, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 50,589	$ 46,977	$ 32,578
Other comprehensive income (loss)	(806)	217	154
BHE GT&S acquisition - noncontrolling interest			3,916
Ending balance	50,639	50,589	46,977
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,340)	(1,552)	(1,706)
Other comprehensive income (loss)	(809)	212	154
BHE GT&S acquisition - noncontrolling interest			0
Ending balance	(2,149)	(1,340)	(1,552)
Unrecognized Amounts on Retirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(318)	(492)	(417)
Other comprehensive income (loss)	(72)	174	(65)
BHE GT&S acquisition - noncontrolling interest			(10)
Ending balance	(390)	(318)	(492)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,086)	(1,062)	(1,296)
Other comprehensive income (loss)	(810)	(24)	234
BHE GT&S acquisition - noncontrolling interest			0
Ending balance	(1,896)	(1,086)	(1,062)
Unrealized Gains (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	59	(8)	7
Other comprehensive income (loss)	76	67	(15)
BHE GT&S acquisition - noncontrolling interest			0
Ending balance	135	59	(8)
Noncontrolling Interest
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5)	(10)	0
BHE GT&S acquisition - noncontrolling interest			10
Ending balance	(2)	(5)	(10)
Noncontrolling Interest
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	3,895	3,967	129
Other comprehensive income (loss)	3	5	0
BHE GT&S acquisition - noncontrolling interest			3,916
Ending balance	$ 3,807	$ 3,895	$ 3,967