Jointly Owned Utility Facilities (Tables)

12 Months Ended

Dec. 31, 2019

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, 2019 (dollars in millions):

					Accumulated		Construction
	Company		Facility In		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
PacifiCorp:
Jim Bridger Nos. 1-4	67	%	$	1,476	$	677	$	9
Hunter No. 1	94		484		193		1
Hunter No. 2	60		305		121		2
Wyodak	80		473		243		1
Colstrip Nos. 3 and 4	10		254		137		2
Hermiston	50		181		92		5
Craig Nos. 1 and 2	19		368		252		—
Hayden No. 1	25		75		39		—
Hayden No. 2	13		43		23		—
Transmission and distribution facilities	Various		808		255		103
Total PacifiCorp			4,467		2,032		123
MidAmerican Energy:
Louisa No. 1	88	%	834		458		7
Quad Cities Nos. 1 and 2(1)	25		729		424		11
Walter Scott, Jr. No. 3	79		930		392		5
Walter Scott, Jr. No. 4(2)	60		316		131		1
George Neal No. 4	41		316		171		2
Ottumwa No. 1	52		634		229		19
George Neal No. 3	72		489		238		4
Transmission facilities	Various		258		95		—
Total MidAmerican Energy			4,506		2,138		49
NV Energy:
Navajo	11	%	13		2		—
Valmy	50		390		271		—
Transmission facilities	Various		70		29		—
On Line Transmission Line	25		159		24		—
Total NV Energy			632		326		—
BHE Pipeline Group - common facilities	Various		266		157		—
Total			$	9,871	$	4,653	$	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 $458 million and $94 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, 2019 (dollars in millions):

			Facility		Accumulated		Construction
	PacifiCorp		in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
Jim Bridger Nos. 1 - 4	67	%	$	1,476	$	677	$	9
Hunter No. 1	94		484		193		1
Hunter No. 2	60		305		121		2
Wyodak	80		473		243		1
Colstrip Nos. 3 and 4	10		254		137		2
Hermiston	50		181		92		5
Craig Nos. 1 and 2	19		368		252		—
Hayden No. 1	25		75		39		—
Hayden No. 2	13		43		23		—
Transmission and distribution facilities	Various		808		255		103
Total			$	4,467	$	2,032	$	123

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, 2019 (dollars in millions):

					Accumulated		Construction
	Company		Plant in		Depreciation and		Work-in-
	Share		Service		Amortization		Progress
Louisa Unit No. 1	88	%	$	834	$	458	$	7
Quad Cities Unit Nos. 1 & 2(1)	25		729		424		11
Walter Scott, Jr. Unit No. 3	79		930		392		5
Walter Scott, Jr. Unit No. 4(2)	60		316		131		1
George Neal Unit No. 4	41		316		171		2
Ottumwa Unit No. 1	52		634		229		19
George Neal Unit No. 3	72		489		238		4
Transmission facilities	Various		258		95		—
Total			$	4,506	$	2,138	$	49

(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 $458 million and $94 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, 2019 (dollars in millions):

	Nevada						Construction
	Power's		Utility		Accumulated		Work-in-
	Share		Plant		Depreciation		Progress
Navajo Generating Station(1)	11	%	$	13	$	2	$	—
ON Line Transmission Line	24		151		23		—
Other transmission facilities	Various		66		27		—
Total			$	230	$	52	$	—

(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, 2019 (dollars in millions):

	Sierra						Construction
	Pacific's		Utility		Accumulated		Work-in-
	Share		Plant		Depreciation		Progress
Valmy Generating Station	50	%	$	390	$	271	$	—
ON Line Transmission Line	1		8		1		—
Valmy Transmission	50		4		2		—
Total			$	402	$	274	$	—