Schedule I Condensed Balance Sheets (Details) - USD ($) $ in Millions		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents		$ 1,108	$ 617	$ 1,175	$ 776
Accounts receivable		1,785	1,837
Income tax receivable		319	1,156
Other current assets		814	930
Total current assets		5,243	5,652
Goodwill		9,076	9,343	7,527
Other assets		1,008	770
Total assets		83,618	81,816	69,591
Current liabilities:
Short-term debt	[1]	974	1,445
Total current liabilities		6,089	7,109
BHE senior debt		7,814	7,810
BHE junior subordinated debentures		2,944	3,794
Long-term Debt		37,972	38,649
Other long-term liabilities		2,854	2,731
Total liabilities		61,083	61,243
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 interest		134	131
Total equity		22,535	20,573	18,816	15,910
Total liabilities and equity		83,618	81,816
MidAmerican Funding LLC [Member]
Current assets:
Cash and cash equivalents		0	0	0	0
Due from Affiliates		2	2
Investments in subsidiaries		6,144	5,679
Total assets		6,146	5,681
Current liabilities:
Other accrued current liabilities		7	8
Long-term Debt		326	326
Notes payable - affiliate		288	274
Total liabilities		621	608
Shareholders' equity:
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 liabilities and equity		6,146	5,681
Parent Company [Member]
Current assets:
Cash and cash equivalents		23	3	$ 292	$ 13
Accounts receivable		16	22
Income tax receivable		167	152
Other current assets		2	1
Total current assets		208	178
Investments in subsidiaries		32,505	31,968
Other Investments		1,389	1,038
Goodwill		1,221	1,221
Other assets		1,340	1,176
Total assets		36,663	35,581
Current liabilities:
Accounts payable and other current liabilities		306	308
Short-term debt		253	395
Total current liabilities		559	703
BHE senior debt		7,814	7,810
BHE junior subordinated debentures		2,944	3,794
Notes payable - affiliate		1,985	1,981
Other long-term liabilities		946	839
Total liabilities		14,248	15,127
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 interest		14	12
Total equity		22,415	20,454
Total liabilities and equity		$ 36,663	$ 35,581

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