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Asset Retirement Obligations Asset Retirement Obligations (Tables)
 12 Months Ended
Dec. 31, 2013
Asset Retirement Obligations [Abstract]  
Asset Retirement Obligations Disclosure [Table Text Block]
The following table reconciles the beginning and ending balances of PacifiCorp's ARO liabilities for the years ended December 31 (in millions):

 
2013
 
2012
 
 
 
 
Beginning balance
$
127

 
$
123

Change in estimated costs
3

 
17

Additions
8

 
4

Retirements
(6
)
 
(22
)
Accretion
6

 
5

Ending balance
$
138

 
$
127

 
 
 
 
Reflected as:
 
 
 
Other current liabilities
$
18

 
$
13

Other long-term liabilities
120

 
114

 
$
138

 
$
127