Schedule I Condensed Balance Sheets (Details) - USD ($) $ in Millions		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents		$ 721	$ 1,108	$ 617	$ 1,175
Accounts receivable		1,751	1,785
Income tax receivable		0	319
Other current assets		917	814
Total current assets		4,673	5,243
Goodwill		9,010	9,076	9,343
Other assets		996	1,008
Total assets		85,440	83,618	81,816
Current liabilities:
Short-term debt	[1]	1,869	974
Total current liabilities		6,313	6,089
BHE senior debt		7,418	7,814
BHE junior subordinated debentures		944	2,944
Long-term Debt		36,116	37,972
Other long-term liabilities		2,742	2,854
Total liabilities		60,977	61,083
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		6,390	6,403
Retained earnings		19,448	16,906
Accumulated other comprehensive loss, net		(1,511)	(908)
Total shareholders' equity		24,327	22,401
Noncontrolling interest		136	134
Total equity		24,463	22,535	20,573	18,816
Total liabilities and equity		85,440	83,618
MidAmerican Funding LLC [Member]
Current assets:
Cash and cash equivalents		0	0	0	0
Due from Affiliates		2	2
Investments in subsidiaries		6,718	6,144
Total assets		6,720	6,146
Current liabilities:
Other accrued current liabilities		7	7
Long-term Debt		326	326
Notes payable - affiliate		301	288
Total liabilities		634	621
Shareholders' equity:
Paid-in capital		1,679	1,679
Retained earnings		4,407	3,876
Accumulated other comprehensive loss, net		0	(30)
Total shareholders' equity		6,086	5,525
Total liabilities and equity		6,720	6,146
Parent Company [Member]
Current assets:
Cash and cash equivalents		33	23	$ 3	$ 292
Accounts receivable		21	16
Due from Affiliates		105	0
Income tax receivable		0	167
Other current assets		2	2
Total current assets		161	208
Investments in subsidiaries		33,400	32,505
Other Investments		1,338	1,389
Goodwill		1,221	1,221
Other assets		1,171	1,340
Total assets		37,291	36,663
Current liabilities:
Accounts payable and other current liabilities		357	306
Notes Payable, Related Parties, Current		194	0
Short-term debt		834	253
Current portion of senior debt		400	0
Total current liabilities		1,785	559
BHE senior debt		7,418	7,814
BHE junior subordinated debentures		944	2,944
Notes payable - affiliate		1,859	1,985
Other long-term liabilities		942	946
Total liabilities		12,948	14,248
Shareholders' equity:
Common stock		0	0
Additional paid-in capital		6,390	6,403
Retained earnings		19,448	16,906
Accumulated other comprehensive loss, net		(1,511)	(908)
Total shareholders' equity		24,327	22,401
Noncontrolling interest		16	14
Total equity		24,343	22,415
Total liabilities and equity		$ 37,291	$ 36,663

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