Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Contractual Obligation [Line Items]

Contractual Obligation, Fiscal Year Maturity Schedule

The Company has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2018 are as follows (in millions):

											2024 and
	2019		2020		2021		2022		2023		Thereafter		Total
Contract type:
Fuel, capacity and transmission contract commitments	$	2,215	$	1,659	$	1,380	$	1,174	$	1,047	$	11,155	$	18,630
Construction commitments	2,330		587		52		—		—		—		2,969
Operating leases and easements	197		177		160		139		111		1,738		2,522
Maintenance, service and other contracts	306		344		303		277		241		1,358		2,829
	$	5,048	$	2,767	$	1,895	$	1,590	$	1,399	$	14,251	$	26,950

PacifiCorp [Member]

Contractual Obligation [Line Items]

Contractual Obligation, Fiscal Year Maturity Schedule

PacifiCorp has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2018 are as follows (in millions):

	2019		2020		2021		2022		2023		2024 and Thereafter		Total
Contract type:
Purchased electricity contracts -
commercially operable	$	317	$	194	$	155	$	152	$	145	$	1,522	$	2,485
Purchased electricity contracts -
non-commercially operable	13		21		48		49		49		797		977
Fuel contracts	732		648		521		326		268		976		3,471
Construction commitments	888		559		2		—		—		—		1,449
Transmission	108		95		80		69		63		427		842
Operating leases and easements	7		6		7		6		5		90		121
Maintenance, service and
other contracts	52		25		26		16		8		81		208
Total commitments	$	2,117	$	1,548	$	839	$	618	$	538	$	3,893	$	9,553

MidAmerican Energy Company [Member]

Contractual Obligation [Line Items]

Contractual Obligation, Fiscal Year Maturity Schedule

MidAmerican Energy had the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2018, are as follows (in millions):

											2024 and
	2019		2020		2021		2022		2023		Thereafter		Total
Contract type:
Coal and natural gas for generation	$	96	$	21	$	17	$	13	$	5	$	—	$	152
Electric capacity and transmission	29		28		26		15		7		36		141
Natural gas contracts for gas operations	145		76		59		45		23		30		378
Construction commitments	1,299		28		50		—		—		—		1,377
Easements and operating leases	27		29		29		30		30		1,078		1,223
Maintenance and services contracts	118		196		147		143		134		224		962
	$	1,714	$	378	$	328	$	246	$	199	$	1,368	$	4,233

Nevada Power Company [Member]

Contractual Obligation [Line Items]

Contractual Obligation, Fiscal Year Maturity Schedule

Nevada Power has the following firm commitments that are not reflected on the Consolidated Balance Sheet. Minimum payments as of December 31, 2018 are as follows (in millions):

	2019		2020		2021		2022		2023		2024 and Thereafter		Total
Contract type:
Fuel, capacity and transmission contract commitments	$	612	$	459	$	379	$	383	$	386	$	4,925	$	7,144
Fuel and capacity contract commitments (not commercially operable)	—		1		6		40		40		982		1,069
Operating leases and easements	10		7		7		8		7		59		98
Maintenance, service and other contracts	46		41		44		37		23		26		217
Total commitments	$	668	$	508	$	436	$	468	$	456	$	5,992	$	8,528

Sierra Pacific Power Company [Member]

Contractual Obligation [Line Items]

Contractual Obligation, Fiscal Year Maturity Schedule

Sierra Pacific has the following firm commitments that are not reflected on the Balance Sheet. Minimum payments as of December 31, 2018 are as follows (in millions):

											2024 and
	2019		2020		2021		2022		2023		Thereafter		Total
Contract type:
Fuel, capacity and transmission contract commitments	$	204	$	154	$	117	$	81	$	61	$	502	$	1,119
Fuel and capacity contract commitments (not commercially operable)	8		16		28		58		58		1,394		1,562
Operating leases and easements	4		4		4		3		2		56		73
Maintenance, service and other contracts	8		7		6		6		2		1		30
Total commitments	$	224	$	181	$	155	$	148	$	123	$	1,953	$	2,784