Commitments and Contingencies - BHE - Narrative (Details) naturalGasProducer in Thousands, a in Thousands, $ in Millions				1 Months Ended									3 Months Ended		27 Months Ended
	Apr. 29, 2024 class_member	Feb. 13, 2024 plaintiff	Oct. 16, 2023 USD ($)	May 03, 2024 USD ($)	Apr. 30, 2024 USD ($) class_member	Mar. 31, 2024 USD ($) dam plaintiff	Feb. 29, 2024 USD ($)	Jan. 31, 2024 USD ($) plaintiff	Sep. 30, 2023 trial	Jun. 30, 2023 USD ($) wildfire plaintiff	Apr. 30, 2023 plaintiff	Sep. 30, 2020 a naturalGasProducer	Mar. 31, 2024 USD ($) dam case	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) dam	Dec. 31, 2023 USD ($)
Long-Term Purchase Commitment [Line Items]
Wildfire losses, net of recoveries													$ 0	$ 359
HomeServices antitrust cases | Texas State Law Antitrust Claims | HomeServices
Long-Term Purchase Commitment [Line Items]
Damages sought													$ 9,000
Number of trials | case													2
HomeServices antitrust cases | Burnett case | HomeServices
Long-Term Purchase Commitment [Line Items]
Damages awarded			$ 1,800
Loss contingency accrual, provision													$ 140
HomeServices antitrust cases | Burnett case | HomeServices | Subsequent event
Long-Term Purchase Commitment [Line Items]
Litigation settlement, payment terms					4 years
Litigation settlement, amount awarded to other party					$ 250
PAC
Long-Term Purchase Commitment [Line Items]
Estimated loss accrual, current						$ 269							269		$ 269	$ 4
Wildfire losses, net of recoveries													$ 0	359
PAC | Lower Klamath Hydroelectric System
Long-Term Purchase Commitment [Line Items]
Number of dams | dam						3							3		3
Hydroelectric dam removal cost, total funding						$ 450							$ 450		$ 450
Dam removal cost collected													200
Additional dam removal costs, California bond measure													250
Hydroelectric dam removal cost, additional contingency funding						45							45		45
PAC | Wildfires
Long-Term Purchase Commitment [Line Items]
Estimate of possible loss (up to)						2,407							2,407		2,407
Settlement payments													18	0
Estimated loss accrual, current						269							269		269	4
Wildfire losses, net of recoveries													0	359
Loss contingency accrual, provision													0	$ 400
PAC | Wildfires | Other receivables
Long-Term Purchase Commitment [Line Items]
Receivable, expected insurance recoveries						15							15		15	350
PAC | Wildfires | Other assets
Long-Term Purchase Commitment [Line Items]
Receivable, expected insurance recoveries						$ 134							134		134	$ 149
PAC | 2020 Wildfires
Long-Term Purchase Commitment [Line Items]
Number of acres burned | a												500
Number of structures destroyed | naturalGasProducer												2
Settlement payments															702
PAC | 2020 Wildfires | Subsequent event
Long-Term Purchase Commitment [Line Items]
Settlement payments				$ 52
Litigation settlement, amount awarded and not yet paid				$ 23
PAC | 2020 Wildfires | James case
Long-Term Purchase Commitment [Line Items]
Damages sought										$ 7,000
Number of plaintiffs | plaintiff		17								17	17
Number of wildfires | wildfire										4
Multiplier										0.25
Number of trials | trial									3
Damages awarded, interest rate accrued per annum								9.00%
PAC | 2020 Wildfires | James case | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded										$ 90
PAC | 2020 Wildfires | James case | Judicial ruling
Long-Term Purchase Commitment [Line Items]
Damages awarded								$ 92
PAC | 2020 Wildfires | James case | Settled litigation
Long-Term Purchase Commitment [Line Items]
Number of plaintiffs | plaintiff						5
PAC | 2020 Wildfires | James case | Economic and property damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded										4
PAC | 2020 Wildfires | James case | Noneconomic damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded										68
PAC | 2020 Wildfires | James case | Punitive damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded										$ 18
PAC | 2020 Wildfires | James case, 1,000 class members | Subsequent event
Long-Term Purchase Commitment [Line Items]
Number of plaintiffs | class_member	1,000				1,000
PAC | 2020 Wildfires | James case, 1,000 class members | Economic and property damages | Subsequent event
Long-Term Purchase Commitment [Line Items]
Damages sought					$ 5,000
PAC | 2020 Wildfires | James case, 1,000 class members | Noneconomic damages | Subsequent event
Long-Term Purchase Commitment [Line Items]
Damages sought					25,000
PAC | 2020 Wildfires | James case, first trial
Long-Term Purchase Commitment [Line Items]
Number of plaintiffs | plaintiff								9
Multiplier								0.25
PAC | 2020 Wildfires | James case, first trial | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded							$ 84	$ 62
PAC | 2020 Wildfires | James case, first trial | Subsequent event | Judicial ruling
Long-Term Purchase Commitment [Line Items]
Damages awarded					$ 80
PAC | 2020 Wildfires | James case, first trial | Economic and property damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded							12	6
PAC | 2020 Wildfires | James case, first trial | Noneconomic damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded								$ 56
PAC | 2020 Wildfires | James case, first trial | Punitive damages | Pending litigation
Long-Term Purchase Commitment [Line Items]
Damages awarded							$ 16
PAC | 2020 Wildfires | James case, second trial
Long-Term Purchase Commitment [Line Items]
Number of plaintiffs | plaintiff						10
Damages awarded						$ 42
Multiplier						0.25
PAC | 2020 Wildfires | James case, second trial | Economic and property damages
Long-Term Purchase Commitment [Line Items]
Damages awarded						$ 12
PAC | 2020 Wildfires | James case, second trial | Noneconomic damages
Long-Term Purchase Commitment [Line Items]
Damages awarded						23
PAC | 2020 Wildfires | James case, second trial | Punitive damages
Long-Term Purchase Commitment [Line Items]
Damages awarded						7
Fuel contracts | PAC
Long-Term Purchase Commitment [Line Items]
Purchase obligation						$ 1,900							$ 1,900		$ 1,900