Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes the Company's energy products and services revenue by regulated energy and nonregulated energy, with further disaggregation of regulated energy by customer class and line of business, including a reconciliation to the Company's reportable segment information included in Note 14 (in millions):



	For the Three-Month Period Ended June 30, 2018
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other			Total
Customer Revenue:
Regulated:
Retail Electric	$	1,115	$	505	$	691	$	—	$	—	$	—	$	—	$	—		$	2,311
Retail Gas	—		99		19		—		—		—		—		—			118
Wholesale	9		87		6		—		—		—		—		(1		)	101
Transmission and distribution	30		14		25		216		—		174		—		—			459
Interstate pipeline	—		—		—		—		236		—		—		(25		)	211
Other	—		—		1		—		—		—		—		—			1
Total Regulated	1,154		705		742		216		236		174		—		(26		)	3,201
Nonregulated	—		5		1		10		—		3		186		158			363
Total Customer Revenue	1,154		710		743		226		236		177		186		132			3,564
Other revenue	39		8		7		20		—		—		60		22			156
Total	$	1,193	$	718	$	750	$	246	$	236	$	177	$	246	$	154		$	3,720



	For the Six-Month Period Ended June 30, 2018
	PacifiCorp		MidAmerican Funding		NV Energy		Northern Powergrid		BHE Pipeline Group		BHE Transmission		BHE Renewables		BHE and Other			Total
Customer Revenue:
Regulated:
Retail Electric	$	2,211	$	891	$	1,230	$	—	$	—	$	—	$	—	$	—		$	4,332
Retail Gas	—		345		59		—		—		—		—		—			404
Wholesale	31		180		17		—		—		—		—		(2		)	226
Transmission and distribution	52		30		45		465		—		354		—		—			946
Interstate pipeline	—		—		—		—		610		—		—		(66		)	544
Other	—		—		1		—		—		—		—		—			1
Total Regulated	2,294		1,446		1,352		465		610		354		—		(68		)	6,453
Nonregulated	—		5		1		21		—		3		303		302			635
Total Customer Revenue	2,294		1,451		1,353		486		610		357		303		234			7,088
Other revenue	83		14		14		38		2		—		97		63			311
Total	$	2,377	$	1,465	$	1,367	$	524	$	612	$	357	$	400	$	297		$	7,399

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

The following table summarizes the Company's revenue it expects to recognize in future periods related to significant unsatisfied remaining performance obligations for fixed contracts with expected durations in excess of one year as of June 30, 2018, by reportable segment (in millions):



	Performance obligations expected to be satisfied:
	Less than 12 months		More than 12 months		Total
BHE Pipeline Group	$	810	$	5,955	$	6,765
BHE Transmission	350		—		350
Total	$	1,160	$	5,955	$	7,115

HomeServices [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes the Company's real estate services revenue by line of business (in millions):



	HomeServices
	Three-Month Period		Six-Month Period
	Ended June 30,		Ended June 30,
	2018		2018
Customer Revenue:
Brokerage	$	1,168	$	1,853
Franchise	19		34
Total Customer Revenue	1,187		1,887
Other revenue	86		147
Total	$	1,273	$	2,034

PacifiCorp [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes PacifiCorp's revenue by regulated energy, with further disaggregation of regulated energy by customer class, for the three- and six-month periods ended June 30, 2018 (in millions):



	Three-Month Period		Six-Month Period
	Ended June 30,		Ended June 30,
	2018		2018
Customer Revenue:
Retail:
Residential	$	365	$	806
Commercial	369		711
Industrial	288		557
Other retail	73		98
Total retail	1,095		2,172
Wholesale	9		31
Transmission	30		52
Other Customer Revenue	20		39
Total Customer Revenue	1,154		2,294
Other revenue	39		83
Total operating revenue	$	1,193	$	2,377

Nevada Power Company [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes Nevada Power's revenue by customer class for the three- and six-month periods ended June 30, 2018 (in millions):



	Three-Month Period		Six-Month Period
	Ended June 30,		Ended June 30,
	2018		2018
Customer Revenue:
Retail:
Residential	$	312	$	505
Commercial	110		205
Industrial	108		187
Other	5		11
Total fully bundled	535		908
Distribution only service	8		15
Total retail	543		923
Wholesale, transmission and other	13		23
Total Customer Revenue	556		946
Other revenue	6		11
Total revenue	$	562	$	957

Sierra Pacific Power Company [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes Sierra Pacific's revenue by customer class, including a reconciliation to Sierra Pacific's reportable segment information included in Note 12, for the three- and six-month periods ended June 30, 2018 (in millions):



	Three-Month Period						Six-Month Period
	Ended June 30,						Ended June 30,
	2018						2018
	Electric		Gas		Total		Electric		Gas		Total
Customer Revenue:
Retail:
Residential	$	59	$	13	$	72	$	127	$	39	$	166
Commercial	58		4		62		115		15		130
Industrial	38		2		40		77		5		82
Other	1		—		1		3		—		3
Total fully bundled	156		19		175		322		59		381
Distribution only service	1		—		1		2		—		2
Total retail	157		19		176		324		59		383
Wholesale, transmission and other	10		—		10		23		—		23
Total Customer Revenue	167		19		186		347		59		406
Other revenue	2		—		2		3		1		4
Total revenue	$	169	$	19	$	188	$	350	$	60	$	410

MidAmerican Energy Company [Member]

Disaggregation of Revenue [Line Items]

Disaggregation of Revenue [Table Text Block]

The following table summarizes MidAmerican Energy's revenue by line of business and customer class, including a reconciliation to MidAmerican Energy's reportable segment information included in Note 12, for the three- and six-month periods ended June 30, 2018 (in millions):



Three-Month Period	Electric		Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	173	$	65	$	—	$	238
Commercial	80		21		—		101
Industrial	195		5		—		200
Gas transportation services	—		6		—		6
Other retail⁽¹⁾	57		6		—		63
Total retail	505		103		—		608
Wholesale	63		23		—		86
Multi value transmission projects	14		—		—		14
Other Customer Revenue	—		—		1		1
Total Customer Revenue	582		126		1		709
Other revenue	7		1		—		8
Total operating revenue	$	589	$	127	$	1	$	717




Six-Month Period	Electric		Gas		Other		Total
Customer Revenue:
Retail:
Residential	$	334	$	233	$	—	$	567
Commercial	151		83		—		234
Industrial	340		10		—		350
Gas transportation services	—		19		—		19
Other retail	67		—		—		67
Total retail	892		345		—		1,237
Wholesale	125		55		—		180
Multi value transmission projects	29		—		—		29
Other Customer Revenue	—		—		3		3
Total Customer Revenue	1,046		400		3		1,449
Other revenue	12		2		—		14
Total operating revenue	$	1,058	$	402	$	3	$	1,463

(1)

Other retail for the three-month period ended June 30, 2018, includes the reversal of provisions for potential retail rate refunds previously accrued during the three-month period ended March 31, 2018. Upon resolution of the related regulatory proceedings, rates were reduced and such reductions are reflected in the applicable customer classes. Refer to Note 10 for a discussion of regulatory proceedings related to 2017 Tax Reform.