Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents		$ 1,108	$ 617
Trade receivables, net		1,785	1,837
Income taxes receivable		319	1,156
Inventories
Fuel		353	320
Inventories		882	826
Mortgage loans held for sale		335	286
Regulatory assets		130	253
Other current assets		814	930
Total current assets		5,243	5,652
Property, plant and equipment, net		60,769	59,248
Goodwill		9,076	9,343
Regulatory assets		4,155	4,000
Investments and restricted cash and investments		3,367	2,803
Other assets		1,008	770
Total assets		83,618	81,816
Current liabilities:
Accounts payable		1,564	1,991
Accrued interest		469	454
Accrued property, income and other taxes		372	366
Accrued employee expenses		264	255
Regulatory liabilities		402	163
Short-term debt	[1]	974	1,445
Current portion of long-term debt		1,148	1,232
Other current liabilities		896	1,203
Total current liabilities		6,089	7,109
Regulatory liabilities		2,631	2,669
Asset Retirement Obligations, Noncurrent		829	687
BHE senior debt		7,814	7,810
BHE junior subordinated debentures		2,944	3,794
Subsidiary debt		26,066	25,616
Deferred income taxes		12,685	11,514
Other long-term liabilities		2,854	2,731
Total liabilities		$ 61,083	$ 61,243
Commitments and contingencies
Shareholders' equity:
Common stock		$ 0	$ 0
Additional paid-in capital		6,403	6,423
Retained earnings		16,906	14,513
Accumulated other comprehensive loss, net		(908)	(494)
Total shareholders' equity		22,401	20,442
Noncontrolling interests		134	131
Total equity		22,535	20,573
Total liabilities and equity		83,618	81,816
PacifiCorp [Member]
Current assets:
Cash and cash equivalents		12	23
Receivables, Net, Current		740	701
Income taxes receivable		17	133
Inventories
Materials and supplies		233	218
Fuel		192	199
Regulatory assets		102	131
Other current assets		81	92
Total current assets		1,377	1,497
Public Utilities, Property, Plant and Equipment, Net		19,026	18,719
Regulatory assets		1,583	1,574
Other assets		381	415
Total assets		22,367	22,205
Current liabilities:
Accounts payable		473	465
Accrued interest		115	110
Accrued property, income and other taxes		62	59
Accrued employee expenses		70	76
Regulatory liabilities		34	34
Short-term debt		20	20
Current portion of long-term debt and capital lease obligations		68	134
Other current liabilities		229	222
Total current liabilities		1,071	1,120
Regulatory liabilities		938	910
Asset Retirement Obligations, Noncurrent		189	114
Long-term debt and capital lease obligations		7,078	6,885
Deferred income taxes		4,750	4,581
Other long-term liabilities		1,027	953
Total liabilities		$ 14,864	$ 14,449
Commitments and contingencies
Shareholders' equity:
Preferred stock		$ 2	$ 2
Common stock		0	0
Additional paid-in capital		4,479	4,479
Retained earnings		3,033	3,288
Accumulated other comprehensive loss, net		(11)	(13)
Total shareholders' equity		7,503	7,756
Total liabilities and equity		22,367	22,205
MidAmerican Energy Company [Member]
Current assets:
Cash and cash equivalents		103	29
Receivables, Net, Current		342	433
Income taxes receivable		104	307
Inventories
Inventories		238	185
Other current assets		58	86
Total current assets		845	1,040
Public Utilities, Property, Plant and Equipment, Net		11,723	10,519
Regulatory assets		1,044	908
Investments and restricted cash and investments		634	625
Other assets		139	142
Total assets		14,385	13,234
Current liabilities:
Accounts payable		426	392
Accrued interest		46	40
Accrued property, income and other taxes		125	128
Short-term debt		0	50
Current portion of long-term debt and capital lease obligations		34	426
Other current liabilities		166	131
Total current liabilities		797	1,167
Regulatory liabilities		831	837
Asset Retirement Obligations, Noncurrent		488	432
Long-term debt and capital lease obligations		4,237	3,608
Deferred income taxes		3,061	2,662
Other long-term liabilities		266	278
Total liabilities		$ 9,680	$ 8,984
Commitments and contingencies
Shareholders' equity:
Common stock		$ 0	$ 0
Additional paid-in capital		561	561
Retained earnings		4,174	3,712
Accumulated other comprehensive loss, net		(30)	(23)
Total shareholders' equity		4,705	4,250
Total equity		4,705	4,250
Total liabilities and equity		14,385	13,234
MidAmerican Funding, LLC and Subsidiaries [Domain]
Current assets:
Cash and cash equivalents		103	30
Receivables, Net, Current		346	437
Income taxes receivable		104	303
Inventories
Inventories		238	185
Other current assets		58	86
Total current assets		849	1,041
Property, plant and equipment, net		11,737	10,535
Goodwill		1,270	1,270
Regulatory assets		1,044	908
Investments and restricted cash and investments		636	627
Other assets		138	141
Total assets		15,674	14,522
Current liabilities:
Accounts payable		427	392
Accrued interest		53	48
Accrued property, income and other taxes		125	128
Notes Payable, Related Parties, Current		139	136
Short-term debt		0	50
Current portion of long-term debt and capital lease obligations		34	426
Other current liabilities		166	131
Total current liabilities		944	1,311
Regulatory liabilities		831	837
Asset Retirement Obligations, Noncurrent		488	432
Long-term debt and capital lease obligations		4,563	3,934
Deferred income taxes		3,056	2,656
Other long-term liabilities		267	279
Total liabilities		$ 10,149	$ 9,449
Commitments and contingencies
Shareholders' equity:
Additional paid-in capital		$ 1,679	$ 1,679
Retained earnings		3,876	3,417
Accumulated other comprehensive loss, net		(30)	(23)
Total shareholders' equity		5,525	5,073
Total equity		5,525	5,073
Total liabilities and equity		15,674	14,522
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents		536	220
Trade receivables, net		265	243
Inventories
Fuel		22	30
Inventories		80	88
Regulatory assets		0	57
Other current assets		46	32
Total current assets		927	640
Public Utilities, Property, Plant and Equipment, Net		6,996	7,003
Regulatory assets		1,057	1,069
Other assets		37	46
Total assets		9,017	8,758
Current liabilities:
Accounts payable		214	212
Accrued interest		54	60
Accrued property, income and other taxes		30	30
Regulatory liabilities		173	40
Long-term Debt and Capital and Financial Lease Obligations, Current		225	264
Customer Deposits, Current		58	55
Other current liabilities		28	36
Total current liabilities		782	697
Regulatory liabilities		304	326
Asset Retirement Obligations, Noncurrent		72	72
Long-term Debt and Capital and Financial Lease Obligations		3,060	3,280
Deferred income taxes		1,405	1,269
Other long-term liabilities		303	298
Total liabilities		5,854	5,870
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		2,308	2,308
Retained earnings		858	583
Accumulated other comprehensive loss, net		(3)	(3)
Total shareholders' equity		3,163	2,888
Total liabilities and equity		9,017	8,758
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents		106	22
Trade receivables, net		124	127
Inventories
Fuel		5	8
Inventories		39	40
Regulatory assets		0	32
Other current assets		13	20
Total current assets		282	241
Public Utilities, Property, Plant and Equipment, Net		2,766	2,640
Regulatory assets		432	444
Other assets		7	11
Total assets		3,487	3,336
Current liabilities:
Accounts payable		127	127
Accrued interest		15	15
Accrued property, income and other taxes		13	12
Regulatory liabilities		78	39
Long-term Debt and Capital and Financial Lease Obligations, Current		453	1
Customer Deposits, Current		17	16
Other current liabilities		11	14
Total current liabilities		714	224
Regulatory liabilities		230	262
Asset Retirement Obligations, Noncurrent		10	8
Long-term Debt and Capital and Financial Lease Obligations		749	1,189
Deferred income taxes		570	524
Other long-term liabilities		148	139
Total liabilities		2,411	2,338
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		1,111	1,111
Retained earnings		(35)	(111)
Accumulated other comprehensive loss, net		0	(2)
Total shareholders' equity		1,076	998
Total liabilities and equity		$ 3,487	$ 3,336

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