Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2020

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent the Company's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

					Accumulated		Construction
	Company		Facility In		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
PacifiCorp:
Jim Bridger Nos. 1-4	67	%	$	1,485	$	714	$	15
Hunter No. 1	94		486		203		1
Hunter No. 2	60		305		127		—
Wyodak	80		476		254		2
Colstrip Nos. 3 and 4	10		255		145		6
Hermiston	50		184		93		2
Craig Nos. 1 and 2	19		368		305		—
Hayden No. 1	25		75		42		—
Hayden No. 2	13		44		25		—
Transmission and distribution facilities	Various		857		263		100
Total PacifiCorp			4,535		2,171		126
MidAmerican Energy:
Louisa No. 1	88	%	853		483		2
Quad Cities Nos. 1 and 2(1)	25		731		437		10
Walter Scott, Jr. No. 3	79		939		498		7
Walter Scott, Jr. No. 4(2)	60		267		130		3
George Neal No. 4	41		318		179		3
Ottumwa No. 1	52		669		247		5
George Neal No. 3	72		524		262		2
Transmission facilities	Various		261		101		—
Total MidAmerican Energy			4,562		2,337		32
NV Energy:
Navajo	11	%	10		4		—
Valmy	50		390		291		1
Transmission facilities	Various		70		31		1
On Line Transmission Line	25		160		27		1
Total NV Energy			630		353		3
BHE Pipeline Group:
Ellisburg Pool	39	%	28		10		2
Ellisburg Station	50		25		7		1
Harrison	50		53		16		3
Leidy	50		133		44		3
Oakford	50		200		64		2
Common Facilities	Various		277		165		—
Total BHE Pipeline Group			716		306		11
Total			$	10,443	$	5,167	$	172

(1)Includes amounts related to nuclear fuel.

(2)Facility in-service and accumulated depreciation and amortization amounts are net of credits applied under Iowa revenue sharing arrangements totaling $509 million and $112 million, respectively.

PacifiCorp [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent PacifiCorp's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

			Facility		Accumulated		Construction
	PacifiCorp		in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
Jim Bridger Nos. 1 - 4	67	%	$	1,485	$	714	$	15
Hunter No. 1	94		486		203		1
Hunter No. 2	60		305		127		—
Wyodak	80		476		254		2
Colstrip Nos. 3 and 4	10		255		145		6
Hermiston	50		184		93		2
Craig Nos. 1 and 2	19		368		305		—
Hayden No. 1	25		75		42		—
Hayden No. 2	13		44		25		—
Transmission and distribution facilities	Various		857		263		100
Total			$	4,535	$	2,171	$	126

MidAmerican Energy Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent MidAmerican Energy's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

					Accumulated		Construction
	Company		Plant in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
Louisa Unit No. 1	88	%	$	853	$	483	$	2
Quad Cities Unit Nos. 1 & 2(1)	25		731		437		10
Walter Scott, Jr. Unit No. 3	79		939		498		7
Walter Scott, Jr. Unit No. 4(2)	60		267		130		3
George Neal Unit No. 4	41		318		179		3
Ottumwa Unit No. 1	52		669		247		5
George Neal Unit No. 3	72		524		262		2
Transmission facilities	Various		261		101		—
Total			$	4,562	$	2,337	$	32

(1)Includes amounts related to nuclear fuel.

(2)Plant in service and accumulated depreciation and amortization amounts are net of credits applied under Iowa regulatory arrangements totaling $509 million and $112 million, respectively.

Nevada Power Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent Nevada Power's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

	Nevada						Construction
	Power's		Utility		Accumulated		Work-in-
	Share		Plant		Depreciation		Progress
Navajo Generating Station(1)	11	%	$	10	$	4	$	—
ON Line Transmission Line	19		125		20		1
Other transmission facilities	Various		66		29		—
Total			$	201	$	53	$	1

(1)Represents Nevada Power's proportionate share of capitalized asset retirement costs to retire the Navajo Generating Station, which was shut down in November 2019.

Sierra Pacific Power Company [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent Sierra Pacific's share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

	Sierra						Construction
	Pacific's		Utility		Accumulated		Work-in-
	Share		Plant		Depreciation		Progress
Valmy Generating Station	50	%	$	390	$	291	$	1
ON Line Transmission Line	6		35		7		—
Valmy Transmission	50		4		2		—
Total			$	429	$	300	$	1

Eastern Energy Gas Holdings, LLC [Member]

Jointly Owned Utility Plant Interests [Line Items]

Jointly Owned Utility Facilities [Table Text Block]

The amounts shown in the table below represent Eastern Energy Gas' share in each jointly owned facility included in property, plant and equipment, net as of December 31, 2020 (dollars in millions):

			Facility		Accumulated		Construction
	Eastern Energy Gas'		in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
Ellisburg Pool	39	%	$	28	$	10	$	2
Ellisburg Station	50		25		7		1
Harrison	50		53		16		3
Leidy	50		133		44		3
Oakford	50		200		64		2
Total			$	439	$	141	$	11