Short-Term Debt and Credit Faciliites (Details) $ in Millions, $ in Millions		Dec. 31, 2019 USD ($)		Dec. 31, 2019 CAD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	[1]	$ 9,412			$ 9,114
Line of Credit Facility, Amounts Supported	[1]	(629)			(543)
Short-term Debt	[1]	(3,214)			(2,516)
Berkshire Hathaway Energy [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		3,500	[2]		3,500
Line of Credit Facility, Amounts Supported		0			0
Short-term Debt		$ (1,590)			$ (983)
Berkshire Hathaway Energy [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt, Weighted Average Interest Rate		1.90%		1.90%	2.80%
Debt To Capitalization Ratio		0.70		0.70
PacifiCorp [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,200	[2]		$ 1,200
Line of Credit Facility, Amounts Supported		(256)			(89)
Short-term Debt		$ (130)			$ (30)	$ (80)	$ (270)	$ (20)
PacifiCorp [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt, Weighted Average Interest Rate		2.05%		2.05%	2.85%
Debt To Capitalization Ratio		0.65		0.65
MidAmerican Energy Company and Subsidiaries [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,305			$ 1,305
Line of Credit Facility, Amounts Supported		(370)			(370)
Short-term Debt		$ 0			(240)
MidAmerican Energy Company and Subsidiaries [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt To Capitalization Ratio		0.65		0.65
MidAmerican Funding [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,309	[2]		1,309
Line of Credit Facility, Amounts Supported		(370)			(370)
Short-term Debt		$ 0			(240)
MidAmerican Funding [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt To Capitalization Ratio		0.65		0.65
Sierra Pacific Power Company [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 250			250
Line of Credit Facility, Amounts Supported		0			(80)
Northern Powergrid Holdings [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		199	[2]		231
Line of Credit Facility, Amounts Supported		0			0
Short-term Debt		$ 0			$ (77)
AltaLink, L.P. [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt, Weighted Average Interest Rate		2.16%		2.16%	2.26%
Debt To Capitalization Ratio		0.75		0.75
Short-term Debt		$ (192)			$ (281)
ALP Investments [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt, Weighted Average Interest Rate		3.08%		3.08%	3.25%
Debt To Capitalization Ratio		0.8		0.8
Short-term Debt		$ (19)			$ (64)
EBITDA to interest expense ratio		2.25		2.25
ALP Investments [Member] | Letter of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 10
HomeServices [Member]
Line of Credit Facility [Line Items]
Short-term Debt		$ (318)			(404)
BHE Renewables [Member]
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount		373			322
BHE Renewables [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount		$ 107			115
Unsecured credit facility, £150 million, expiring April 2020 [Member] | Northern Powergrid Holdings [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt to regulated asset value		0.8		0.8
Unsecured credit facility, $400 million, expiring November 2019 [Member] | MidAmerican Energy Company and Subsidiaries [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 400
Unsecured credit facility, $600 million, expiring September 2022 [Member] | HomeServices [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 600
Debt, Weighted Average Interest Rate		3.29%		3.29%	3.94%
Unsecured credit facility, $985 million, expiring January 2019 to December 2019 [Member] | HomeServices [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 985
Debt, Weighted Average Interest Rate					4.42%
Short-term Debt					$ (436)
Secured credit facility, C$500 million, expiring December 2023 [Member] | AltaLink, L.P. [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 500
Secured credit facility, C$75 million, expiring December 2023 [Member] | AltaLink, L.P. [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				75
Unsecured credit facility, C$300 million, expiring December 2023 [Member] | ALP Investments [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 300
Line of Credit [Member] | Secured credit facility, $400 million, expiring June 2022 [Member] | Nevada Power Company [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 400
Debt To Capitalization Ratio		0.65		0.65
Tax exempt bond obligations and commodity contract collateral requirement [Member] | PacifiCorp [Member]
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount		$ 13			184
Certain transactions required by third parties [Member] | PacifiCorp [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Amounts Supported		$ (13)			$ (14)

[1] (1)The table does not include unused credit facilities and letters of credit for investments that are accounted for under the equity method.

[2] (2) Includes the drawn uncommitted credit facilities totaling $39 million at Northern Powergrid.