Commitments and Contingencies - PAC - Narrative - Environmental Laws and Regulations (Details) - PAC naturalGasProducer in Thousands, a in Thousands, $ in Millions			1 Months Ended										3 Months Ended		6 Months Ended	10 Months Ended	39 Months Ended
	Apr. 01, 2025 plaintiff	Mar. 31, 2025 USD ($)	May 02, 2025 USD ($)	Apr. 30, 2025 USD ($) plaintiff	Mar. 31, 2025 USD ($) plaintiff	Feb. 28, 2025 USD ($) plaintiff	Dec. 31, 2024 USD ($) class_member complaint plaintiff	Oct. 31, 2024 USD ($) trial plaintiff	Jan. 31, 2024	Jun. 30, 2023 plaintiff	Nov. 30, 2021 USD ($)	Sep. 30, 2020 a naturalGasProducer	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($) plaintiff	Jun. 30, 2024 USD ($)	Jan. 31, 2025 complaint class_member plaintiff	Mar. 31, 2025 USD ($)
Loss Contingencies [Line Items]
Estimated loss accrual, current		$ 134			$ 134		$ 247						$ 134				$ 134
Wildfires
Loss Contingencies [Line Items]
Estimate of possible loss		2,753			$ 2,753								2,753				2,753
Settlement payments													114	$ 18			1,331
Wildfires \| Subsequent event
Loss Contingencies [Line Items]
Settlement payments			$ 2
2020 Wildfires
Loss Contingencies [Line Items]
Damages sought		51,000
Number of acres burned \| a												500
Number of structures destroyed \| naturalGasProducer												2
2020 Wildfires \| Economic and noneconomic damages
Loss Contingencies [Line Items]
Damages sought		48,000
2020 Wildfires \| 2020 Wildfires, United States of America Complaint
Loss Contingencies [Line Items]
Damages sought							$ 900
2020 Wildfires \| James case
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff										17
Number of additional trials \| trial								9
Number of plaintiffs per trial \| plaintiff								10
2020 Wildfires \| James case \| Economic and property damages \| Pending litigation
Loss Contingencies [Line Items]
Damages awarded											$ 600
2020 Wildfires \| James case \| Noneconomic damages \| Pending litigation
Loss Contingencies [Line Items]
Damages awarded											$ 1,000
2020 Wildfires \| James case, mass complaints
Loss Contingencies [Line Items]
Number of mass complaints \| complaint																6
Number of plaintiffs \| class_member							1,594									1,591
Number of plaintiffs dismissed \| plaintiff																5
Number of additional complaints \| complaint							2
Number of additional plaintiffs \| plaintiff							8
2020 Wildfires \| James case, first and second trial
Loss Contingencies [Line Items]
Number of trials \| plaintiff														2
Multiplier										0.25
Damages awarded, interest rate accrued per annum									9.00%
2020 Wildfires \| James case, first and second trial \| Subsequent event
Loss Contingencies [Line Items]
Number of trials \| plaintiff	2
2020 Wildfires \| James case, first and second trial \| Judicial ruling
Loss Contingencies [Line Items]
Damages awarded															$ 210
2020 Wildfires \| James case, first and second trial \| Economic and property damages \| Judicial ruling
Loss Contingencies [Line Items]
Damages awarded															32
2020 Wildfires \| James case, first and second trial \| Noneconomic damages \| Judicial ruling
Loss Contingencies [Line Items]
Damages awarded															147
2020 Wildfires \| James case, first and second trial \| Punitive damages \| Judicial ruling
Loss Contingencies [Line Items]
Damages awarded															$ 41
2020 Wildfires \| James case, third trial
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff						8
Multiplier						0.25
2020 Wildfires \| James case, third trial \| Judicial ruling \| Subsequent event
Loss Contingencies [Line Items]
Damages awarded				$ 45
2020 Wildfires \| James case, third trial \| Economic and property damages
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff						8
2020 Wildfires \| James case, third trial \| Economic and property damages \| Pending litigation
Loss Contingencies [Line Items]
Damages sought						$ 8
Damages awarded						$ 4
2020 Wildfires \| James case, third trial \| Noneconomic damages
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff						7
2020 Wildfires \| James case, third trial \| Noneconomic damages \| Pending litigation
Loss Contingencies [Line Items]
Damages awarded						$ 32
2020 Wildfires \| James case, third trial \| Punitive damages \| Pending litigation
Loss Contingencies [Line Items]
Damages sought						$ 9
2020 Wildfires \| James case, fourth trial
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff					7
Multiplier					0.25
2020 Wildfires \| James case, fourth trial \| Pending litigation
Loss Contingencies [Line Items]
Damages sought					$ 48
2020 Wildfires \| James case, fourth trial \| Economic and property damages
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff					7
2020 Wildfires \| James case, fourth trial \| Economic and property damages \| Pending litigation
Loss Contingencies [Line Items]
Damages sought					$ 5
Damages awarded					$ 2
2020 Wildfires \| James case, fourth trial \| Noneconomic damages
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff					5
2020 Wildfires \| James case, fourth trial \| Noneconomic damages \| Pending litigation
Loss Contingencies [Line Items]
Damages awarded					$ 34
2020 Wildfires \| James case, fourth trial \| Punitive damages \| Pending litigation
Loss Contingencies [Line Items]
Damages sought					9
2020 Wildfires \| James case, fifth trial \| Subsequent event
Loss Contingencies [Line Items]
Number of plaintiffs \| plaintiff				9
Multiplier				0.25
2020 Wildfires \| James case, fifth trial \| Pending litigation \| Subsequent event
Loss Contingencies [Line Items]
Damages sought				$ 19
2020 Wildfires \| James case, fifth trial \| Economic and property damages \| Pending litigation \| Subsequent event
Loss Contingencies [Line Items]
Damages sought				5
Damages awarded				2
2020 Wildfires \| James case, fifth trial \| Noneconomic damages \| Pending litigation \| Subsequent event
Loss Contingencies [Line Items]
Damages awarded				11
2020 Wildfires \| James case, fifth trial \| Punitive damages \| Pending litigation \| Subsequent event
Loss Contingencies [Line Items]
Damages sought				$ 3
Lower Klamath Hydroelectric System
Loss Contingencies [Line Items]
Hydroelectric dam removal cost, total funding		450			450								450				450
Dam removal cost collected													200
Additional dam removal costs, California bond measure													250
Hydroelectric dam removal cost, additional supplemental funding		$ 45			$ 45								$ 45				$ 45
Klamath Hydroelectric System
Loss Contingencies [Line Items]
Contingency funding provided								$ 11

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BERKSHIRE HATHAWAY ENERGY CO 10-Q