XML 19 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6
Asset Retirement Obligations (Tables)
 3 Months Ended
Dec. 31, 2012
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]  
Asset Retirement Obligations
Reconciliation of Asset Retirement Obligation Liability

 
 
 
 
 
 
 
 
 
Nuclear
 
Non-Nuclear
 
Total
 
Balance at September 30, 2012
$
2,208

 
$
1,081

 
$
3,289

 
Settlements (ash storage areas)
—

 
(7
)
 
(7
)
 
Accretion (recorded as regulatory asset)
30

 
14

 
44

 
Balance at December 31, 2012
$
2,238

 
$
1,088

 
$
3,326

* 

Note
* The current portion of ARO in the amount of $35 million is included in Accounts payable and accrued liabilities.