Consolidated Balance Sheets - MEC - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 778	$ 1,108
Income taxes receivable	53	319
Inventories	933	882
Other current assets	840	814
Total current assets	4,961	5,243
Regulatory assets	4,193	4,155
Investments and restricted cash and investments	3,794	3,367
Other assets	1,071	1,008
Total assets	84,607	83,618
Current liabilities:
Accounts Payable, Current	1,432	1,564
Accrued interest	464	469
Accrued property, income and other taxes	643	372
Short-term debt	1,469	974
Other current liabilities	929	896
Total current liabilities	6,541	6,089
Deferred income taxes	13,118	12,685
Regulatory liabilities	2,665	2,631
Other long-term liabilities	2,789	2,854
Total liabilities	61,108	61,083
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,404	6,403
Retained earnings	17,932	16,906
Accumulated other comprehensive loss, net	(979)	(908)
Total shareholder's equity	23,357	22,401
Total liabilities and equity	84,607	83,618
MidAmerican Energy Company [Member]
Current assets:
Cash and cash equivalents	203	103
Receivables, Net, Current	256	342
Income taxes receivable	3	104
Inventories	256	238
Other current assets	26	58
Total current assets	744	845
Public Utilities, Property, Plant and Equipment, Net	11,873	11,723
Regulatory assets	1,099	1,044
Investments and restricted cash and investments	649	634
Other assets	161	139
Total assets	14,526	14,385
Current liabilities:
Accounts Payable, Current	191	426
Accrued interest	45	46
Accrued property, income and other taxes	240	125
Long-term Debt and Capital Lease Obligations, Current	34	34
Other current liabilities	153	166
Total current liabilities	663	797
Long-term Debt and Capital Lease Obligations	4,234	4,237
Deferred income taxes	3,194	3,061
Regulatory liabilities	790	831
Asset retirement obligations	563	488
Other long-term liabilities	259	266
Total liabilities	9,703	9,680
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	561	561
Retained earnings	4,263	4,174
Accumulated other comprehensive loss, net	(1)	(30)
Total shareholder's equity	4,823	4,705
Total liabilities and equity	$ 14,526	$ 14,385