Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Information related to the Company's reportable segments is shown below (in millions):



	Years Ended December 31,
	2018			2017			2016
Operating revenue:
PacifiCorp	$	5,026		$	5,237		$	5,201
MidAmerican Funding	3,053			2,846			2,631
NV Energy	3,039			3,015			2,895
Northern Powergrid	1,020			949			995
BHE Pipeline Group	1,203			993			978
BHE Transmission	710			699			502
BHE Renewables	908			838			743
HomeServices	4,214			3,443			2,801
BHE and Other⁽¹⁾	614			594			676
Total operating revenue	$	19,787		$	18,614		$	17,422

Depreciation and amortization:
PacifiCorp	$	979		$	796		$	783
MidAmerican Funding	609			500			479
NV Energy	456			422			421
Northern Powergrid	250			214			200
BHE Pipeline Group	126			159			206
BHE Transmission	247			239			241
BHE Renewables	268			251			230
HomeServices	51			66			31
BHE and Other⁽¹⁾	(2		)	(1		)	—
Total depreciation and amortization	$	2,984		$	2,646		$	2,591

Operating income:
PacifiCorp	$	1,051		$	1,440		$	1,429
MidAmerican Funding	550			544			551
NV Energy	607			766			774
Northern Powergrid	486			488			500
BHE Pipeline Group	525			473			455
BHE Transmission	313			322			92
BHE Renewables	325			316			256
HomeServices	214			214			212
BHE and Other⁽¹⁾	1			(41		)	(22		)
Total operating income	4,072			4,522			4,247
Interest expense	(1,838		)	(1,841		)	(1,854		)
Capitalized interest	61			45			139
Allowance for equity funds	104			76			158
Interest and dividend income	113			111			120
(Losses) gains on marketable securities, net	(538		)	14			10
Other, net	(9		)	(420		)	30
Total income before income tax (benefit) expense and equity income (loss)	$	1,965		$	2,507		$	2,850



	Years Ended December 31,
	2018			2017			2016
Interest expense:
PacifiCorp	$	384		$	381		$	381
MidAmerican Funding	247			237			218
NV Energy	224			233			250
Northern Powergrid	141			133			136
BHE Pipeline Group	43			43			50
BHE Transmission	167			169			153
BHE Renewables	201			204			198
HomeServices	23			7			2
BHE and Other⁽¹⁾	408			434			466
Total interest expense	$	1,838		$	1,841		$	1,854

Income tax (benefit) expense:
PacifiCorp	$	5		$	362		$	341
MidAmerican Funding	(262		)	(202		)	(139		)
NV Energy	100			221			200
Northern Powergrid	61			57			22
BHE Pipeline Group	119			170			163
BHE Transmission	7			(124		)	26
BHE Renewables⁽²⁾	(158		)	(795		)	(32		)
HomeServices	52			49			81
BHE and Other⁽¹⁾	(507		)	(292		)	(259		)
Total income tax (benefit) expense	$	(583	)	$	(554	)	$	403

Capital expenditures:
PacifiCorp	$	1,257		$	769		$	903
MidAmerican Funding	2,332			1,776			1,637
NV Energy	503			456			529
Northern Powergrid	566			579			579
BHE Pipeline Group	427			286			226
BHE Transmission	270			334			466
BHE Renewables	817			323			719
HomeServices	47			37			20
BHE and Other	22			11			11
Total capital expenditures	$	6,241		$	4,571		$	5,090



	As of December 31,
	2018			2017			2016
Property, plant and equipment, net:
PacifiCorp	$	19,591		$	19,203		$	19,162
MidAmerican Funding	16,171			14,221			12,835
NV Energy	9,852			9,770			9,825
Northern Powergrid	6,007			6,075			5,148
BHE Pipeline Group	4,904			4,587			4,423
BHE Transmission	5,824			6,330			5,810
BHE Renewables	6,155			5,637			5,302
HomeServices	141			117			78
BHE and Other	(50		)	(69		)	(74		)
Total property, plant and equipment, net	$	68,595		$	65,871		$	62,509

Total assets:
PacifiCorp	$	23,478		$	23,086		$	23,563
MidAmerican Funding	20,029			18,444			17,571
NV Energy	14,119			13,903			14,320
Northern Powergrid	7,427			7,565			6,433
BHE Pipeline Group	5,511			5,134			5,144
BHE Transmission	8,424			9,009			8,378
BHE Renewables	8,666			7,687			7,010
HomeServices	2,797			2,722			1,776
BHE and Other	1,738			2,658			1,245
Total assets	$	92,189		$	90,208		$	85,440

	Years Ended December 31,
	2018			2017			2016
Operating revenue by country:
United States	$	18,014		$	16,916		$	15,895
United Kingdom	1,017			948			995
Canada	710			699			506
Philippines and other	46			51			26
Total operating revenue by country	$	19,787		$	18,614		$	17,422

Income before income tax (benefit) expense and equity income (loss) by country:
United States	$	1,425		$	1,927		$	2,264
United Kingdom	307			313			382
Canada	155			167			135
Philippines and other	78			100			69
Total income before income tax (benefit) expense and equity (loss) income by country:	$	1,965		$	2,507		$	2,850



	As of December 31,
	2018		2017		2016
Property, plant and equipment, net by country:
United States	$	56,870	$	53,579	$	51,671
United Kingdom	5,895		5,953		5,020
Canada	5,817		6,323		5,803
Philippines and other	13		16		15
Total property, plant and equipment, net by country	$	68,595	$	65,871	$	62,509


(1)	The differences between the reportable segment amounts and the consolidated amounts, described as BHE and Other, relate to other corporate entities, including MidAmerican Energy Services, LLC, corporate functions and intersegment eliminations.


(2)	Income tax (benefit) expense includes the tax attributes of disregarded entities that are not required to pay income taxes and the earnings of which are taxable directly to BHE.

Schedule of Goodwill [Table Text Block]

The following table shows the change in the carrying amount of goodwill by reportable segment for the years ended December 31, 2018 and 2017 (in millions):



										BHE										BHE
			MidAmerican		NV		Northern			Pipeline			BHE			BHE		Home-		and
	PacifiCorp		Funding		Energy		Powergrid			Group			Transmission			Renewables		Services		Other		Total

December 31, 2016	$	1,129	$	2,102	$	2,369	$	930		$	75		$	1,470		$	95	$	840	$	—	$	9,010
Acquisitions	—		—		—		—			—			—			—		508		—		508
Foreign currency translation	—		—		—		61			—			101			—		—		—		162
Other	—		—		—		—			(2		)	—			—		—		—		(2		)
December 31, 2017	1,129		2,102		2,369		991			73			1,571			95		1,348		—		9,678
Acquisitions	—		—		—		—			—			—			—		79		—		79
Foreign currency translation	—		—		—		(39		)	—			(123		)	—		—		—		(162		)
December 31, 2018	$	1,129	$	2,102	$	2,369	$	952		$	73		$	1,448		$	95	$	1,427	$	—	$	9,595

MidAmerican Energy Company [Member]

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables provide information on a reportable segment basis (in millions):



	Years Ended December 31,
	2018		2017		2016
Operating revenue:
Regulated electric	$	2,283	$	2,108	$	1,985
Regulated natural gas	754		719		637
Other	12		10		3
Total operating revenue	$	3,049	$	2,837	$	2,625

Depreciation and amortization:
Regulated electric	$	565	$	458	$	436
Regulated natural gas	44		42		43
Total depreciation and amortization	$	609	$	500	$	479



	Years Ended December 31,
	2018			2017			2016
Operating income:
Regulated electric	$	469		$	472		$	486
Regulated natural gas	81			72			64
Other	1			(1		)	—
Total operating income	$	551		$	543		$	550

Interest expense:
Regulated electric	$	208		$	196		$	178
Regulated natural gas	19			18			18
Total interest expense	$	227		$	214		$	196

Income tax (benefit) expense:
Regulated electric	$	(273	)	$	(212	)	$	(156	)
Regulated natural gas	16			29			22
Other	2			—			2
Total income tax (benefit) expense	$	(255	)	$	(183	)	$	(132	)

Net income:
Regulated electric	$	628		$	570		$	512
Regulated natural gas	54			35			32
Other	—			—			(2		)
Net income	$	682		$	605		$	542



	Years Ended December 31,
	2018		2017		2016
Capital expenditures:
Regulated electric	$	2,223	$	1,686	$	1,564
Regulated natural gas	109		87		72
Total capital expenditures	$	2,332	$	1,773	$	1,636

	As of December 31,
	2018		2017		2016
Total assets:
Regulated electric	$	16,511	$	14,914	$	14,113
Regulated natural gas	1,406		1,403		1,345
Other	3		1		1
Total assets	$	17,920	$	16,318	$	15,459

MidAmerican Funding, LLC and Subsidiaries [Domain]

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables provide information on a reportable segment basis (in millions):



	Years Ended December 31,
	2018			2017			2016
Operating revenue:
Regulated electric	$	2,283		$	2,108		$	1,985
Regulated natural gas	754			719			637
Other	16			19			9
Total operating revenue	$	3,053		$	2,846		$	2,631

Depreciation and amortization:
Regulated electric	$	565		$	458		$	436
Regulated natural gas	44			42			43
Total depreciation and amortization	$	609		$	500		$	479

Operating income:
Regulated electric	$	469		$	472		$	486
Regulated natural gas	81			72			64
Other	—			—			1
Total operating income	$	550		$	544		$	551

Interest expense:
Regulated electric	$	208		$	196		$	178
Regulated natural gas	19			18			18
Other	20			23			23
Total interest expense	$	247		$	237		$	219

Income tax (benefit) expense:
Regulated electric	$	(273	)	$	(212	)	$	(156	)
Regulated natural gas	16			29			22
Other	(5		)	(19		)	(5		)
Total income tax (benefit) expense	$	(262	)	$	(202	)	$	(139	)

Net income:
Regulated electric	$	628		$	570		$	512
Regulated natural gas	54			35			32
Other	(13		)	(31		)	(12		)
Net income	$	669		$	574		$	532



	Years Ended December 31,
	2018		2017		2016
Capital expenditures:
Regulated electric	$	2,223	$	1,686	$	1,564
Regulated natural gas	109		87		72
Total capital expenditures	$	2,332	$	1,773	$	1,636



	As of December 31,
	2018		2017		2016
Total assets:
Regulated electric	$	17,702	$	16,105	$	15,304
Regulated natural gas	1,485		1,482		1,424
Other	15		34		19
Total assets	$	19,202	$	17,621	$	16,747

Schedule of Goodwill [Table Text Block]

Goodwill by reportable segment as of December 31, 2018 and 2017, was as follows (in millions):



Regulated electric	$	1,191
Regulated natural gas	79
Total	$	1,270

Sierra Pacific Power Company [Member]

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables provide information on a reportable segment basis (in millions):



	Years Ended December 31,
	2018			2017			2016
Operating revenue:
Regulated electric	$	752		$	713		$	702
Regulated gas	103			99			110
Total operating revenue	$	855		$	812		$	812

Operating income:
Regulated electric	$	136		$	175		$	162
Regulated gas	16			22			19
Total operating income	152			197			181
Interest expense	(44		)	(43		)	(54		)
Allowance for borrowed funds	1			2			4
Allowance for equity funds	4			3			(1		)
Other, net	9			5			3
Income before income tax expense	$	122		$	164		$	133



	As of December 31,
	2018		2017		2016
Assets
Regulated electric	$	3,177	$	3,103	$	3,119
Regulated gas	314		300		314
Regulated common assets⁽¹⁾	78		10		60
Total assets	$	3,569	$	3,413	$	3,493


(1)	Consists principally of cash and cash equivalents not included in either the regulated electric or regulated natural gas segments.