Preferred Securities (MEC) (MidAmerican Energy Company and Subsidiaries [Member])

12 Months Ended

Dec. 31, 2012

MidAmerican Energy Company and Subsidiaries [Member]

Class of Stock [Line Items]

Preferred Stock [Text Block]

(7) Preferred Securities

The total outstanding cumulative preferred securities of MidAmerican Energy are not subject to mandatory redemption requirements, may be redeemed at the option of MidAmerican Energy at prices which, in the aggregate, totaled $28 million as of December 31, 2012 and 2011. The aggregate total the holders of all preferred securities outstanding as of December 31, 2012 and 2011, were entitled to upon involuntary bankruptcy was $27 million, plus accrued dividends. Annual dividend requirements for all preferred securities outstanding at December 31, 2012, totaled $1 million.