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Schedule II Consolidated Valuation and Qualifying Accounts (Notes)
 12 Months Ended
Dec. 31, 2012
Schedule II Consolidated Valuation and Qualifying Accounts [Abstract]  
Consolidated Valuation and Qualifying Accounts [Text Block]
Schedule II
MIDAMERICAN ENERGY HOLDINGS COMPANY
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
FOR THE THREE YEARS ENDED DECEMBER 31, 2012
(Amounts in millions)

 
 
Column B
 
Column C
 
 
Column E
 
 
Balance at
 
Charged
 
 
 
Balance
Column A
 
Beginning
 
to
 
Column D
 
at End
Description
 
of Year
 
Income
 
Deductions
 
of Year
 
 
 
 
 
 
 
 
 
Reserves Deducted From Assets To Which They
 
 
 
 
 
 
 
 
Apply:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Reserve for uncollectible accounts receivable:
 
 
 
 
 
 
 
 
Year ended 2012
 
$
21

 
$
22

 
$
(21
)
 
$
22

Year ended 2011
 
27

 
19

 
(25
)
 
21

Year ended 2010
 
25

 
24

 
(22
)
 
27

 
 
 
 
 
 
 
 
 
Reserves Not Deducted From Assets(1):
 
 
 
 
 
 
 
 
Year ended 2012
 
$
8

 
$
6

 
$
(5
)
 
$
9

Year ended 2011
 
8

 
4

 
(4
)
 
8

Year ended 2010
 
9

 
4

 
(5
)
 
8


The notes to the consolidated MEHC financial statements are an integral part of this financial statement schedule.

(1)
Reserves not deducted from assets relate primarily to estimated liabilities for losses retained by MEHC for workers compensation, public liability and property damage claims.