Long-Term Debt (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain])	6 Months Ended
Jun. 30, 2011
MidAmerican Funding, LLC and Subsidiaries [Domain]
Notes to Consolidated Financial Statements [Line Items]
Long-term Debt [Text Block]	(5) Long-Term Debt Refer to Note 5 of MidAmerican Energy's Notes to Consolidated Financial Statements.

The entire disclosure for long-term debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	na
Period Type:	duration