CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 100.8	$ 93.0	$ 150.1	$ 121.0
Pension Plan and Restoration of Retirement Income Plan:
Amortization of deferred net loss, net of tax of $0.3, $0.8, $0.6 and $1.2, respectively	0.5	1.0	0.9	1.9
Postretirement Benefit Plans:
Amortization of deferred net loss, net of tax of $0.2, $0.3, $0.3 and $0.6, respectively	0.3	0.5	0.5	1.0
Amortization of prior service cost, net of tax of ($0.3), ($0.2), ($0.6) and ($0.5), respectively	(0.5)	(0.4)	(0.9)	(0.9)
Deferred commodity contracts hedging (gains) losses reclassified in net income, net of tax of $0, $0, $0 and ($0.1), respectively	0	0	0	(0.1)
Amortization of deferred interest rate swap hedging losses, net of tax of $0, $0 $0.1 and $0.1, respectively	0	0	0.1	0.1
Other comprehensive income, net of tax	0.3	1.1	0.6	2.0
Comprehensive income	101.1	94.1	150.7	123.0
Less: Comprehensive income attributable to noncontrolling interests	0	1.3	0	6.3
Less: Deconsolidation of Enogex Holdings	0	6.1	0	6.1
Total comprehensive income attributable to OGE Energy	$ 101.1	$ 86.7	$ 150.7	$ 110.6