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Investments and Nonregulated Property, Net (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain])
12 Months Ended
Dec. 31, 2012
MidAmerican Funding, LLC and Subsidiaries [Domain]
 
Investments and Nonregulated Property, Net [Line Items]  
Investments and Nonregulated Property, Net [Text Block]
(5)
Investments and Nonregulated Property, Net

Investments and nonregulated property, net consists of the following amounts as of December 31 (in millions):
 
2012
 
2011
 
 
 
 
Nuclear decommissioning trust
$
337

 
$
306

Rabbi trusts
173

 
161

Auction rate securities
21

 
16

Nonregulated property, net of accumulated depreciation of $14 and $13, respectively
22

 
28

Coal transportation property, net of accumulated depreciation of $- and $4, respectively

 
8

Other
8

 
9

Total
$
561

 
$
528



In addition to the following discussion, refer to Note 5 of MidAmerican Energy's Notes to Consolidated Financial Statements for additional information regarding the investments included in the table above. In addition to assets of MidAmerican Energy, nonregulated property, net includes a corporate aircraft owned by MHC.