XML 14 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Details) (USD $)
3 Months Ended 7 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2014
OG&E minimum fuel purchase commitments [Member]
Oct. 31, 2014
OG&E minimum fuel purchase commitments [Member]
Jun. 30, 2014
New Source Review [Member]
Long-term Purchase Commitment [Line Items]          
Percentage of OG&E's Projected 2014 Requirements     31.50% 42.60%  
Commitments and Contingencies            
Estimated Environmental Capital Costs         1,000,000,000
Potential Penalty Under the Federal Clean Air Act $ 37,500