Property, Plant and Equipment, Net - BHE (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 90,283	$ 89,816
Regulated
Property, Plant and Equipment [Line Items]
Property, plant and equipment	108,086	107,646
Accumulated depreciation and amortization	(33,248)	(32,680)
Net operating assets	74,838	74,966
Construction work-in-progress	4,300	3,800
Regulated | Utility generation, transmission and distribution systems
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 90,560	90,223
Regulated | Utility generation, transmission and distribution systems | Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	5 years
Regulated | Utility generation, transmission and distribution systems | Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	80 years
Regulated | Interstate natural gas pipeline assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 17,526	17,423
Regulated | Interstate natural gas pipeline assets | Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	3 years
Regulated | Interstate natural gas pipeline assets | Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	80 years
Nonregulated
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 13,986	13,695
Accumulated depreciation and amortization	(3,146)	(3,041)
Net operating assets	10,840	10,654
Nonregulated | Independent power plants
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 7,932	7,665
Nonregulated | Independent power plants | Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	2 years
Nonregulated | Independent power plants | Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	50 years
Nonregulated | LNG facility
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 3,366	3,364
Depreciable life	40 years
Nonregulated | Other assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 2,688	2,666
Nonregulated | Other assets | Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	2 years
Nonregulated | Other assets | Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	30 years
Common Facilities
Property, Plant and Equipment [Line Items]
Net operating assets	$ 85,678	85,620
Property, plant and equipment, net	90,283	89,816
Construction in Progress
Property, Plant and Equipment [Line Items]
Construction work-in-progress	$ 4,605	$ 4,196