Accounts receivable, less reserve of $1.9 and $2.4, respectively
Accumulated other comprehensive loss, net of tax
Less accumulated depreciation
Capital expenditures (less allowance for equity funds used during construction)
Payments to Acquire Productive Assets
Gas imbalance assets
Accounts receivable, less reserve
Loss on Retirement and Asset Retirement Obligation of Fixed Assets
Statement of Financial Position [Abstract]
BASIC EARNINGS PER AVERAGE COMMON SHARE ATTRIBUTABLE TO OGE ENERGY COMMON SHAREHOLDERS (in dollars per share)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD
CASH AND CASH EQUIVALENTS AT END OF PERIOD
Cash and cash equivalents
Accounts receivable, net
Fuel clause under recoveries
Increase (Decrease) in Deferred Fuel Costs
Income taxes receivable
Increase (Decrease) in Income Taxes Receivable
Fuel, materials and supplies inventories
(Decrease) increase in short-term debt
Accrued unbilled revenues
Increase (Decrease) in Unbilled Receivables
Change in certain current assets and liabilities
Accounts payable
Increase (Decrease) in Accounts Payable
Commitments and Contingencies
Total comprehensive income attributable to OGE Energy
Total comprehensive income attributable to OGE Energy
Construction work in progress
Electric Utility cost of goods sold
Natural Gas Midstream Operations cost of goods sold
COST OF GOODS SOLD (exclusive of depreciation and amortization shown below)
Total cost of goods sold
Cost of Goods Sold
Total current liabilities
Liabilities, Current
CURRENT LIABILITIES
Customer deposits
Fuel clause under recoveries
Deferred Fuel Cost
Deferred income taxes
Deferred Tax Assets, Net, Current
Deferred income taxes
Deferred Tax Liabilities, Noncurrent
Deferred revenues
Depreciation and amortization
Price risk management
Derivative Assets, Current
Price risk management
Derivative Assets, Noncurrent
Derivative Instruments and Hedging Activities
Price risk management
Derivative Liabilities, Current
Price risk management
Derivative Liabilities, Noncurrent
DILUTED EARNINGS PER AVERAGE COMMON SHARE ATTRIBUTABLE TO OGE ENERGY COMMON SHAREHOLDERS (in dollars per share)
Enogex - Discontinued Operations
Stock-based compensation expense
Natural Gas Midstream Operations operating revenues
Gross margin on revenues
Gross Profit
Income Statement [Abstract]
Income Taxes
Income taxes receivable
Income Taxes Receivable, Current
Interest expense
Interest Expense
INTEREST EXPENSE
Interest on long-term debt
Interest on short-term debt and other interest charges
Fuel inventories
Materials and supplies, at average cost
Total liabilities
Liabilities
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities and Stockholders' Equity
LIABILITIES AND STOCKHOLDERS' EQUITY
Long-term debt due within one year
LONG-TERM DEBT
Total long-term debt (excluding long-term debt due within one year)
Noncontrolling interest
Net Cash Provided from Financing Activities
Net Cash Provided by (Used in) Financing Activities
CASH FLOWS FROM FINANCING ACTIVITIES
Net Cash Used in Investing Activities
Net Cash Provided by (Used in) Investing Activities
CASH FLOWS FROM INVESTING ACTIVITIES
Net Cash Provided from Operating Activities
Net Cash Provided by (Used in) Operating Activities
CASH FLOWS FROM OPERATING ACTIVITIES
NET INCOME ATTRIBUTABLE TO OGE ENERGY
Net Income (Loss) Attributable to Parent
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents, Period Increase (Decrease)
Accounting Pronouncement
Net other income (expense)
Nonoperating Income (Expense)
OTHER INCOME (EXPENSE)
OPERATING INCOME
Operating Income (Loss)
Total operating revenues
Revenues
OPERATING REVENUES
Summary of Significant Accounting Policies
Deferred commodity contracts hedging gains (losses), net of tax of $1.4 million, ($37.9) million and $59.5 million, respectively
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Deferred hedging gains on interest rate swaps, net of tax
Deferred hedging gains on interest rate swaps, net of tax of $0.2 million, $0.2 million and $0.2 million, respectively
Amortization of prior service cost, net of tax
Other Comprehensive Income, Amortization of Defined Benefit Plan Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax
Other
Other Assets, Current
Other investing activities
Payments for (Proceeds from) Other Investing Activities
OTHER PROPERTY AND INVESTMENTS, at cost
Other Long-term Investments
Other expense
Other Nonoperating Expense
Other income
Dividends paid on common stock
Payments of Dividends, Common Stock
Distributions to noncontrolling interest partner
Distributions to noncontrolling interest partner
Retirement Plans and Postretirement Benefit Plans
Issuance of common stock
Proceeds from Issuance of Common Stock
Contributions from noncontrolling interest partner
Proceeds from line of credit
Proceeds from Lines of Credit
Proceeds from long-term debt
Total property, plant and equipment
Property, Plant and Equipment, Gross
Net property, plant and equipment
Property, Plant and Equipment, Net
Allowance for borrowed funds used during construction
Regulatory assets
Regulatory Assets, Noncurrent
Regulatory liabilities
Regulatory Liability, Noncurrent
Construction reimbursement
Reimbursement Revenue
Repayment of line of credit
Repayments of Long-term Lines of Credit
Retirement of long-term debt
Repayments of Long-term Debt
Retained earnings
Electric Utility operating revenues
Schedule Of Valuation And Qualifying Accounts
Report of Business Segments
Short-term debt
Statement of Cash Flows [Abstract]
Statement Of Income And Comprehensive Income [Abstract]
Statement of Stockholders' Equity [Abstract]
STOCKHOLDERS' EQUITY
Excess tax benefit on stock-based compensation
Excess Tax Benefit from Share-based Compensation, Financing Activities
Total current assets
Assets, Current
CURRENT ASSETS
DILUTED AVERAGE COMMON SHARES OUTSTANDING (in shares)
BASIC AVERAGE COMMON SHARES OUTSTANDING (in shares)
Common Stock
PROPERTY, PLANT AND EQUIPMENT
TOTAL ASSETS
Assets
Interest income
Other
Other Liabilities, Current
Other
Other Liabilities, Noncurrent
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)
Stock-Based Compensation
Statement [Table]
ASSETS
Statement [Line Items]
Fair Value Measurements
Common stockholders' equity
Supplemental Cash Flow Information
Amortization of deferred net loss, net of tax of $5.6 million, $2.4 million and ($16.4) million, respectively
Amortization of deferred net loss, net of tax
Other Comprehensive Income, Reclassification of Defined Benefit Plan's Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax
Excess tax benefit on stock-based compensation
Excess Tax Benefit from Share-based Compensation, Operating Activities
Other operation and maintenance
Other
Other Assets, Noncurrent
OPERATING EXPENSES
Total operating expenses
Operating Expenses
Deferred commodity contracts hedging gains (losses), net of tax
Total OGE Energy stockholders' equity
Stockholders' Equity Attributable to Parent
INCOME TAX EXPENSE
Allowance for equity funds used during construction
Allowance for equity funds used during construction
Comprehensive income (loss)
Comprehensive Income, Net of Tax, Attributable to Parent [Abstract]
Statement, Equity Components [Axis]
Premium on Common Stock
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Equity Component [Domain]
Short-Term Debt and Credit Facilities
Long-Term Debt
Issuance of common stock
Stock Issued During Period, Value, New Issues
Deferred investment tax credits
NET INCOME
Net income
Net income
Less: Net income attributable to noncontrolling interest
Comprehensive income (loss)
Total comprehensive income
Less: Comprehensive income attributable to noncontrolling interest
Less: Comprehensive income attributable to noncontrolling interest
Total stockholders' equity
Balance
Balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Noncontrolling Interest
COMMITMENTS AND CONTINGENCIES (NOTE 14)
Dividends declared on common stock
Adjustments to reconcile net income to net cash provided from operating activities
Accounts payable
Accounts Payable, Current
Dividends payable
Accrued compensation
Employee-related Liabilities, Current
Accrued interest
Interest Payable, Current
Accrued taxes
Accrued benefit obligations
Stock-based compensation
Amendment Flag
Current Fiscal Year End Date
Document Period End Date
Entity [Text Block]
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Filer Category
Entity Public Float
Entity Registrant Name
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Type
Taxes Other Than Income
Taxes other than income taxes.
Taxes other than income
Income Loss From Continuing Operations Before Income Taxes And Minority Interest
Sum of operating profit and nonoperating income (expense) before income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest.
INCOME BEFORE TAXES
Deferred Income Taxes And Investment Tax Credits Net
The net amount of deferred income tax expense (benefit) and investment tax credits.
Deferred income taxes and investment tax credits, net
Increase Decrease In Derivative Assets
The net change during the reporting period in current and long-term derivative assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting agreements.
Price risk management assets
Increase Decrease In Derivative Liabilities
The net change during the reporting period in current and long-term derivative liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting agreements.
Price risk management liabilities
Increase Decrease In Regulatory Assets Noncurrent
Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.
Regulatory assets
Increase Decrease In Regulatory Liability Noncurrent
The net change during the reporting period in the value of noncurrent liabilities that are created when regulatory agencies permit public utilities to defer revenues to the balance sheet.
Regulatory liabilities
Increase Decrease In Other Assets Non Current
The net change during the reporting period in other operating assets with a life in excess of one year or the normal operating cycle, if longer.
Other assets
Increase Decrease In Other Liabilities Non Current
The net change during the reporting period in other operating liabilities with a life in excess of one year or the normal operating cycle, if longer.
Other liabilities
Increase Decrease In Other Current Assets
The net change during the reporting period in other operating assets with a life of one year or the normal operating cycle.
Other current assets
Increase Decrease In Gas Imbalance Liabilities
The net change in the balance of the gas imbalance liability account. Gas imbalances occur when the entity sells more or less than its entitled ownership percentage of total gas production. If the entity receives more than it is entitled, the overproduction is recorded as a liability.
Gas imbalance liabilities
Increase Decrease In Deferred Fuel Costs Current Liabilities
The net change in the carrying amount as of the balance sheet date of capitalized fuel costs of a regulated entity that are expected to be returned to customers through rate adjustments within one year or the normal operating cycle, if longer.
Fuel clause over recoveries
Increase Decrease In Other Current Liabilities
The net change during the reporting period in other operating liabilities with a life of one year or the normal operating cycle.
Other current liabilities
Writedown of regulatory assets
The charge against earnings resulting from the aggregate write down of all regulatory assets from their carrying value to their fair value.
Write-down of regulatory assets
Accrued Unbilled Revenues
Carrying amount at the balance sheet date of revenues which have been earned but not yet billed
Accrued unbilled revenues
Gas Imbalance Asset
The value of gas imbalance asset as of the end of the period.
Gas imbalances
In Service
Carrying amount at the balance sheet date for long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, physical structures, machinery, vehicles, furniture, computer equipment and similar items. Amount does not include construction in progress or depreciation.
In service
Deferred Charges And Other Assets [Abstract]
DEFERRED CHARGES AND OTHER ASSETS
Gas Imbalance Liability
The value of gas imbalance liability as of the end of the period.
Gas imbalances
Deferred Fuel Cost Current Liabilities
Carrying amount as of the balance sheet date of capitalized fuel costs of a regulated entity that are expected to be returned to customers through rate adjustments within one year or the normal operating cycle, if longer.
Fuel clause over recoveries
Deferred Credits And Other Liabilities [Abstract]
DEFERRED CREDITS AND OTHER LIABILITIES
Total Deferred Charges And Other Assets
Sum of the carrying amounts as of the balance sheet date of all assets, excluding net property, plant and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.
Total deferred charges and other assets
Total deferred credits and other liabilities
Total obligations, excluding long-term debt, incurred as part of normal operations that is expected to be repaid beyond the following year or one business cycle.
Total deferred credits and other liabilities
Defined Benefit Plan And Restoration Of Retirement Income Plan [Abstract]
Defined benefit pension plan and restoration of retirement income plan:
Defined Benefit Postretirement Plans [Abstract]
Defined benefit postretirement plans:
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
The adjustment out of other comprehensive income for actuarial gains (losses) recognized as a component of net periodic postretirement benefit cost during the period, after tax
Amortization of deferred net loss, net of tax of ($1.8) million, ($3.4) million and ($1.0) million, respectively
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
For each annual statement of income presented, the tax effect of the net gain or loss recognized in other comprehensive income that is a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic postretirement benefit cost for the period.
Amortization of deferred net loss, tax
Amortization of deferred net loss, net of tax
Other Comprehensive Income Amortization Of Defined Benefit Postretirement Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Tax
Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net periodic postretirement benefit cost during the period.
Amortization of prior service cost, tax
Amortization of prior service cost, net of tax
Loss on Retirement and Asset Retirement Obligation of Fixed Assets [Abstract]
Enogex - Discontinued Operations [Abstract]
Common Equity [Text Block]
Disclosures related to earnings per share and current quarter activities in the automatic dividend reinvestment and stock purchase plan.
Common Equity
Rate Matters and Regulation [Text Block]
Describes all of the specific events that have or may impact rates and amortization of regulatory assets and liabilities (for example, pending or recently concluded regulatory proceedings). Specifics may include quantifications related to rates, costs, and earnings. Events may relate to rate moratoriums or price tags.
Rate Matters and Regulation
Deferred income taxes attributable to contributions from noncontrolling interest partner
Deferred income taxes arising from the cash inflow contributed by noncontrolled interests that purchase additional shares or otherwise increase their ownership stake in a subsidiary of the entity.
Document Information [Text Block]
Amendment Description
Notes to Financial Statements [Abstract]
Schedule To Financial Statements [Abstract]
Legal Entity [Axis]
Entity [Domain]
Oge Energy Corp [Member]
OGE Energy Corp. is an energy and energy services provider offering physical delivery and related services for both electricity and natural gas primarily in the south central United States.
OGE Energy Corp [Member]
OG&E [Member]
Oklahoma Gas and Electric Company (OG and E) is an electric utility segment of OGE Energy Corp. which generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas.
Oge [Member]
Enogex LLC [Member]
Enogex LLC is engaged in the business of gathering, processing, transporting and storing natural gas in the Arkoma and Anadarko basins of Oklahoma and the Texas Panhandle.
Common stock, par value $0.01 per share; authorized 125.0 shares; and outstanding 97.6 and 97.0 shares, respectively
Premium on common stock
Schedule of Capitalization, Long-term Debt [Table]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Senior Notes [Member]
Other Bonds [Member]
Revolving Credit Agreement [Member]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Series Due November 15, 2014 [Member]
Series of Senior Notes due November 15, 2014.
Series Due November 15 2014 [Member]
Series Due Januray 15, 2016 [Member]
Series of Senior Notes due January 15, 2016.
Series Due January 15 2016 [Member]
Series Due July 15, 2017 [Member]
Series of Senior Notes due July 15, 2017.
Series Due July 15 2017 [Member]
Series Due September 1, 2018 [Member]
Series of Senior Notes due September 1, 2018.
Series Due September 1 2018 [Member]
Series Due January 15, 2019 [Member]
Series of Senior Notes due Januray 15, 2019.
Series Due January 15 2019 [Member]
Series Due July 15, 2027 [Member]
Series of Senior Notes due July 15, 2027.
Series Due July 15 2027 [Member]
Series Due April 15 2028 [Member]
Series of Senior Notes due April 15, 2028.
Series Due April 15 2028 [Member]
Series Due August 1, 2034 [Member]
Series of Senior Notes due August 1, 2034.
Series Due August 1 2034 [Member]
Series Due January 15, 2036 [Member]
Series of Senior Notes due Januray 15, 2036.
Series Due January 15 2036 [Member]
Series Due February 1, 2038 [Member]
Series of Senior Notes due February 1, 2038.
Series Due February 1 2038 [Member]
Series Due June 1, 2040 [Member]
Series of Senior Notes due June 1, 2040.
Series Due June 1 2040 [Member]
Garfield Industrial Authority January 1, 2025 [Member]
Series of variable-rate industrial authority bonds due January 1, 2025.
Garfield Industrial Authority January 1 2025 [Member]
Muskogee Industrial Authority January 1, 2025 [Member]
Series of variable-rate industrial authority bonds due January 1, 2025.
Muskogee Industrial Authority January 1 2025 [Member]
Muskogee Industrial Authority June 1, 2027 [Member]
Series of variable-rate industrial authority bonds due June 1, 2027.
Muskogee Industrial Authority June 1, 2027 [Member]
Series Due January 15 2010 [Member]
Series of Senior Notes due Januray 15, 2010.
Series Due January 15, 2010 [Member]
Due March 31 2013 [Member]
Revolving credit agreement due March 31 2013.
Due March 31, 2013 [Member]
Series Due July 15 2014 [Member]
Series of Senior Notes due July 15 2014.
Series Due July 15, 2014 [Member]
Series Due March 15 2020 [Member]
Series of Senior Notes due March 15 2020.
Series Due March 15, 2020 [Member]
Schedule of Capitalization, Long-term Debt [Line Items]
Long-term debt, net
Long-term debt, gross
Unamortized discount
Unamortized discount
Total long-term debt
Total long-term debt
Total Capitalization
Total Capitalization
Common stock, par value (in dollars per share)
Common stock, shares authorized (in shares)
Common stock, shares outstanding (in shares)
Debt instrument, issuer
Debt instrument, interest rate stated percentage (in hundredths)
Debt instrument, interest rate stated percentage rate range, minimum (in hundredths)
Debt instrument, interest rate stated percentage rate range, maximum (in hundredths)
Debt instrument, maturity date
Statement Of Capitalization Longterm Debt And Equity [Abstract]
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Tax
For each annual statement of income presented, the tax effect of the net transition obligation recognized in other comprehensive income that is a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic postretirement benefit cost for the period.
Amortization of deferred net transition obligation, net of tax
Other Comprehensive Income Amortization Of Defined Benefit Postretirement Plans Net Prior Service Cost Recognized In Net Periodic Postretirement Cost Net Of Tax
The adjustment out of other comprehensive income for prior service costs recognized as a component of net periodic postretirement benefit cost during the period, after tax.
Amortization of prior service cost, net of tax of $0.1 million, $0.1 million and $0.1 million, respectively
Amortization of prior service cost, net of tax of $0.1 million, ($0.1) million and $0.2 million, respectively
Other Comprehensive Income Amortization Of Defined Benefit Postretirement Plans Net Prior Service Cost Recognized In Net Periodic Postretirement Cost Tax
Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net periodic postretirement benefit cost during the period.
Amortization of prior service cost, net of tax
Investment Agreement with ArcLight Text Block
Describes investment agreement between OGE Energy Corp. and ArcLight.
Investment Agreement with ArcLight
Other Comprehensive Income Reclassification Of Defined Benefit Postretirement Plans Net Transition Asset Obligation Recognized In Net Periodic Benefit Cost Net Of Tax
The adjustment out of other comprehensive income for the net transition asset or obligation recognized as a component of net periodic postretirement benefit cost during the period, after tax.
Amortization of deferred net transition obligation, net of tax of $0.1 million, $0.1 million and $0.1 million, respectively
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest For Sale Of Equity Investment
The change in equity [net assets] of a business enterprise during a period from the sale of an equity investment which is attributable to noncontrolling interests.
Less: Comprehensive income attributable to noncontrolling interest for sale of equity investment
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
The adjustment out of other comprehensive income for the net transition asset or obligation recognized as a component of net periodic postretirement benefit cost during the period, after tax.