Investment in Unconsolidated Affiliates Reconciliation of Equity in Earnings of Unconsolidated Affiliates (Tables)

3 Months Ended

Mar. 31, 2014

Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Line Items]

Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Table Text Block]

	Three Months Ended
Reconciliation of Equity in Earnings of Unconsolidated Affiliates	March 31, 2014
	(In millions)
OGE's 28.5% share of Enable Net Income	$	42.5
Amortization of basis difference	3.6
Elimination of Enogex Holdings fair value and other adjustments	1.8
OGE's Equity in earnings of unconsolidated affiliates	$	47.9