XML 24 R27.htm IDEA: XBRL DOCUMENT v2.3.0.15
Risk Management and Hedging Activities (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain])
9 Months Ended
Sep. 30, 2011
MidAmerican Funding, LLC and Subsidiaries [Domain]
 
Notes to Consolidated Financial Statements [Line Items] 
Derivative Instruments and Hedging Activities Disclosure [Text Block]
(4)
Risk Management and Hedging Activities

Refer to Note 4 of MidAmerican Energy's Notes to Consolidated Financial Statements.