Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents		$ 627	$ 935
Restricted Cash and Cash Equivalents, Current		227	327
Accounts Receivable, Net, Current		2,038	2,014
Income Taxes Receivable, Current		90	334
Inventories
Fuel		273	352
Inventories		844	888
Mortgage loans held for sale		468	465
Regulatory assets		171	189
Other current assets		853	815
Total current assets		5,147	5,778
Property, plant and equipment, net		68,595	65,871
Goodwill		9,595	9,678
Regulatory assets		2,896	2,761
Investments and restricted cash and cash equivalents and investments		4,903	4,872
Other assets		1,053	1,248
Total assets		92,189	90,208
Current liabilities:
Accounts payable		1,809	1,519
Accrued interest		469	488
Accrued property, income and other taxes		599	354
Accrued employee expenses		275	274
Regulatory liabilities		160	202
Short-term debt	[1]	2,516	4,488
Current portion of long-term debt		2,106	3,431
Other current liabilities		996	1,049
Total current liabilities		8,770	11,603
BHE senior debt		8,577	5,452
Regulatory liabilities		7,346	7,309
BHE junior subordinated debentures		100	100
Subsidiary debt		25,991	26,210
Deferred income taxes		9,047	8,242
Other long-term liabilities		2,635	2,984
Asset Retirement Obligations, Noncurrent		942	894
Total liabilities		62,466	61,900
Commitments and contingencies
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		6,371	6,368
Long-term income tax receivable		(457)	0
Retained earnings		25,624	22,206
Accumulated other comprehensive loss, net		(1,945)	(398)
Total shareholders' equity		29,593	28,176
Noncontrolling interests		130	132
Total equity		29,723	28,308
Total liabilities and equity		92,189	90,208
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents		71	4
Restricted Cash and Cash Equivalents, Current		5	4
Accounts Receivable, Net, Current		109	112
Inventories
Fuel		8	7
Inventories		52	49
Regulatory assets		7	32
Other current assets		24	17
Total current assets		263	214
Public Utilities, Property, Plant and Equipment, Net		2,984	2,892
Regulatory assets		314	300
Other assets		8	7
Total assets		3,569	3,413
Current liabilities:
Accounts payable		116	92
Accrued interest		13	14
Accrued property, income and other taxes		14	10
Regulatory liabilities		18	19
Long-term Debt and Capital and Financial Lease Obligations, Current		3	2
Customer Deposits, Current		18	15
Other current liabilities		15	12
Total current liabilities		197	164
Regulatory liabilities		491	481
Long-term Debt and Capital and Financial Lease Obligations		1,155	1,152
Deferred income taxes		331	330
Other long-term liabilities		131	114
Asset Retirement Obligations, Noncurrent		10	10
Total liabilities		2,305	2,241
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		1,111	1,111
Retained earnings		153	62
Accumulated other comprehensive loss, net		0	(1)
Total shareholders' equity		1,264	1,172
Total liabilities and equity		3,569	3,413
PacifiCorp [Member]
Current assets:
Cash and cash equivalents		77	14
Restricted Cash and Cash Equivalents, Current		13	13
Receivables, Net, Current		640	631
Other Receivables, Net, Current		92	53
Inventories
Inventories		417	433
Regulatory assets		36	31
Prepaid Expense, Current		47	73
Other current assets		86	111
Total current assets		1,359	1,315
Public Utilities, Property, Plant and Equipment, Net		19,591	19,203
Regulatory assets		1,076	1,030
Other assets		287	372
Total assets		22,313	21,920
Current liabilities:
Accounts payable		597	453
Accrued interest		114	115
Accrued property, income and other taxes		75	66
Accrued employee expenses		79	70
Regulatory liabilities		77	75
Short-term debt		30	80
Current portion of long-term debt and capital lease obligations		352	588
Other current liabilities		191	170
Total current liabilities		1,515	1,617
Regulatory liabilities		2,978	2,996
Long-term debt and capital lease obligations		6,684	6,437
Deferred income taxes		2,543	2,582
Other long-term liabilities		748	733
Asset Retirement Obligations, Noncurrent		206	190
Total liabilities		14,468	14,365
Commitments and contingencies
Shareholders' equity:
Preferred stock		2	2
Common stock		0	0
Additional paid-in capital		4,479	4,479
Retained earnings		3,377	3,089
Accumulated other comprehensive loss, net		(13)	(15)
Total shareholders' equity		7,845	7,555
Total liabilities and equity		22,313	21,920
MidAmerican Energy Company [Member]
Current assets:
Cash and cash equivalents		0	172
Receivables, Net, Current		367	344
Income Taxes Receivable, Current		0	51
Inventories
Inventories		204	245
Other current assets		90	134
Total current assets		661	946
Public Utilities, Property, Plant and Equipment, Net		16,159	14,207
Regulatory assets		273	204
Investments and restricted cash and cash equivalents and investments		708	728
Other assets		119	233
Total assets		17,920	16,318
Current liabilities:
Accounts payable		575	452
Accrued interest		53	48
Accrued property, income and other taxes		300	132
Short-term debt		240	0
Current portion of long-term debt and capital lease obligations		500	350
Other current liabilities		122	128
Total current liabilities		1,790	1,110
Regulatory liabilities		1,620	1,661
Long-term debt and capital lease obligations		4,881	4,692
Deferred income taxes		2,322	2,237
Other long-term liabilities		309	326
Asset Retirement Obligations, Noncurrent		552	528
Total liabilities		11,474	10,554
Commitments and contingencies
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		561	561
Retained earnings		5,885	5,203
Total shareholders' equity		6,446	5,764
Total liabilities and equity		17,920	16,318
MidAmerican Funding, LLC and Subsidiaries [Domain]
Current assets:
Cash and cash equivalents		1	172
Restricted Cash and Cash Equivalents, Current		56	110
Receivables, Net, Current		365	348
Income Taxes Receivable, Current		0	64
Inventories
Inventories		204	245
Other current assets		89	134
Total current assets		659	963
Property, plant and equipment, net		16,171	14,221
Goodwill		1,270	1,270
Regulatory assets		273	204
Investments and restricted cash and cash equivalents and investments		710	730
Other assets		119	233
Total assets		19,202	17,621
Current liabilities:
Accounts payable		575	451
Accrued interest		58	53
Accrued property, income and other taxes		300	133
Notes Payable, Related Parties, Current		156	164
Short-term debt		240	0
Current portion of long-term debt and capital lease obligations		500	350
Other current liabilities		122	128
Total current liabilities		1,951	1,279
Regulatory liabilities		1,620	1,661
Long-term debt and capital lease obligations		5,121	4,932
Deferred income taxes		2,319	2,235
Other long-term liabilities		310	326
Asset Retirement Obligations, Noncurrent		552	528
Total liabilities		11,873	10,961
Commitments and contingencies
Shareholders' equity:
Additional paid-in capital		1,679	1,679
Retained earnings		5,650	4,981
Total shareholders' equity		7,329	6,660
Total liabilities and equity		19,202	17,621
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents		111	57
Restricted Cash and Cash Equivalents, Current		10	9
Accounts Receivable, Net, Current		240	238
Inventories
Fuel		5	3
Inventories		61	59
Regulatory assets		39	28
Other current assets		68	44
Total current assets		519	426
Public Utilities, Property, Plant and Equipment, Net		6,868	6,877
Regulatory assets		878	941
Other assets		37	35
Total assets		8,302	8,279
Current liabilities:
Accounts payable		187	156
Accrued interest		38	50
Accrued property, income and other taxes		30	63
Regulatory liabilities		49	91
Long-term Debt and Capital and Financial Lease Obligations, Current		520	842
Customer Deposits, Current		67	73
Other current liabilities		29	16
Total current liabilities		920	1,291
Regulatory liabilities		1,137	1,030
Long-term Debt and Capital and Financial Lease Obligations		2,296	2,233
Deferred income taxes		749	767
Other long-term liabilities		296	280
Asset Retirement Obligations, Noncurrent		70	76
Total liabilities		5,398	5,601
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		2,308	2,308
Retained earnings		600	374
Accumulated other comprehensive loss, net		(4)	(4)
Total shareholders' equity		2,904	2,678
Total liabilities and equity		8,302	8,279
Parent Company [Member]
Current assets:
Cash and cash equivalents		9	346
Income Taxes Receivable, Current		103	0
Inventories
Other current assets		15	21
Total current assets		383	818
Goodwill		1,221	1,221
Other assets		546	1,155
Total assets		40,331	39,330
Current liabilities:
Notes Payable, Related Parties, Current		328	182
Short-term debt		983	3,331
Total current liabilities		1,494	4,781
BHE senior debt		8,577	5,452
BHE junior subordinated debentures		100	100
Notes payable - affiliate		1	1
Other long-term liabilities		543	800
Total liabilities		10,715	11,134
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		6,371	6,368
Retained earnings		25,624	22,206
Accumulated other comprehensive loss, net		(1,945)	(398)
Total shareholders' equity		29,593	28,176
Noncontrolling interests		23	20
Total equity		29,616	28,196
Total liabilities and equity		40,331	39,330
Deferred Income Tax Charge [Member] | MidAmerican Energy Company [Member]
Current liabilities:
Regulatory liabilities	[2]	$ 626	$ 681

[1] (1)The table does not include unused credit facilities and letters of credit for investments that are accounted for under the equity method.

[2] Amount predominantly represents the excess of nuclear decommission trust assets over the related asset retirement obligation. Refer to Note 11 for a discussion of asset retirement obligations.(4)