Consolidated Balance Sheets (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain], USD $) In Millions, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
MidAmerican Funding, LLC and Subsidiaries [Domain]
Utility plant, net:
Electric	$ 13,433		$ 13,426
Gas	1,450		1,432
Gross utility plant in service	14,883		14,858
Accumulated depreciation and amortization	(4,968)		(4,954)
Utility plant in service, net	9,915		9,904
Construction work in progress	677		606
Total utility plant, net	10,592		10,510
Current assets:
Cash and cash equivalents	1		30
Receivables, net	392		437
Income taxes receivable	320		303
Inventories	151		185
Other	94		87
Total current assets	958		1,042
Other assets:
Goodwill	1,270		1,270
Regulatory assets	902		908
Investments and nonregulated property, net	664		651
Other	145		163
Total other assets	2,981		2,992
Total assets	14,531	[1]	14,544	[1]
Capitalization:
MidAmerican Funding member's equity	5,175		5,073
Long-term debt, excluding current portion	3,954		3,955
Total capitalization	9,129		9,028
Current liabilities:
Short-term debt	65		50
Current portion of long-term debt	431		426
Note payable to affiliate	132		136
Accounts payable	276		392
Taxes accrued	108		128
Interest accrued	37		48
Other	120		131
Total current liabilities	1,169		1,311
Other liabilities:
Deferred income taxes	2,675		2,657
Asset retirement obligations	438		432
Regulatory liabilities	838		837
Other	282		279
Total other liabilities	4,233		4,205
Total capitalization and liabilities	$ 14,531		$ 14,544

[1] (1)Total assets by reportable segment reflect the assignment of goodwill to applicable reporting units.