| Alabama Power Co: Depreciation And Amortization |
Annual |
| Alabama Power [Member] - Interest income |
Annual |
| Alabama Power [member]: Depreciation And Amortization |
Annual |
| Alabama Power [member]: Dividends On Preferred And Preference Stock Of Subsidiaries |
Annual |
| Alabama Power [member]: Earnings Before Income Taxes |
Annual |
| Alabama Power [member]: Fuel Expense |
Annual |
| Alabama Power [member]: Income Taxes |
Annual |
| Alabama Power [member]: Net Income |
Annual |
| Alabama Power [member]: Operating Income |
Annual |
| Alabama Power [member]: Other Income Net |
Annual |
| Alabama Power [member]: Other Operations And Maintenance |
Annual |
| Alabama Power [member]: Other Revenues |
Annual |
| Alabama Power [member]: Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity |
Annual |
| Alabama Power [member]: Purchased Power Affiliates |
Annual |
| Alabama Power [member]: Purchased Power Non-affiliates |
Annual |
| Alabama Power [member]: Retail Revenues |
Annual |
| Alabama Power [member]: Revenues |
Annual |
| Alabama Power [member]: Segment Net Income |
Annual |
| Alabama Power [member]: Taxes Other Than Income Taxes |
Annual |
| Alabama Power [member]: Total Operating Expenses |
Annual |
| Alabama Power [member]: Total Other Income And |
Annual |
| Alabama Power [member]: Wholesale Revenues Affiliates |
Annual |
| Average Number Of Shares Of Common Stock Outstanding —: As Reported Shares |
Annual |
| Average Number Of Shares Of Common Stock Outstanding —: Diluted Shares |
Annual |
| Comprehensive Income Attributable To Noncontrolling Interests |
Annual |
| Dividends On Preferred And Preference Stock Of Subsidiaries |
Annual |
| Earnings Before Income Taxes |
Annual |
| Earnings Per Share: Basic |
Annual |
| Earnings Per Share: Diluted |
Annual |
| Georgia Power Co: Depreciation And Amortization |
Annual |
| Georgia Power [member]: Depreciation And Amortization |
Annual |
| Georgia Power [member]: Dividends On Preferred And Preference Stock Of Subsidiaries |
Annual |
| Georgia Power [member]: Earnings Before Income Taxes |
Annual |
| Georgia Power [member]: Fuel Expense |
Annual |
| Georgia Power [member]: Income Taxes |
Annual |
| Georgia Power [member]: Interest Expense |
Annual |
| Georgia Power [member]: Net Income |
Annual |
| Georgia Power [member]: Operating Income |
Annual |
| Georgia Power [member]: Other Income Net |
Annual |
| Georgia Power [member]: Other Operations And Maintenance |
Annual |
| Georgia Power [member]: Other Revenues |
Annual |
| Georgia Power [member]: Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity |
Annual |
| Georgia Power [member]: Purchased Power Affiliates |
Annual |
| Georgia Power [member]: Purchased Power Non-affiliates |
Annual |
| Georgia Power [member]: Retail Revenues |
Annual |
| Georgia Power [member]: Revenues |
Annual |
| Georgia Power [member]: Segment Net Income |
Annual |
| Georgia Power [member]: Taxes Other Than Income Taxes |
Annual |
| Georgia Power [member]: Total Operating Expenses |
Annual |
| Georgia Power [member]: Total Other Income And |
Annual |
| Georgia Power [member]: Wholesale Revenues Affiliates |
Annual |
| Georgia Power [member]: Wholesale Revenues Non-affiliates |
Annual |
| Gulf Power Co: Loss On Plant Scherer Unit 3 |
Annual |
| Gulf Power Co: Purchased Power |
Annual |
| Gulf Power [Member] - Allowance for equity funds used during construction |
Annual |
| Gulf Power [member]: Depreciation And Amortization |
Annual |
| Gulf Power [member]: Dividends On Preferred And Preference Stock Of Subsidiaries |
Annual |
| Gulf Power [member]: Earnings Before Income Taxes |
Annual |
| Gulf Power [member]: Fuel Expense |
Annual |
| Gulf Power [member]: Income Taxes |
Annual |
| Gulf Power [member]: Interest Expense |
Annual |
| Gulf Power [member]: Net Income |
Annual |
| Gulf Power [member]: Operating Income |
Annual |
| Gulf Power [member]: Other Income Net |
Annual |
| Gulf Power [member]: Other Operations And Maintenance |
Annual |
| Gulf Power [member]: Other Revenues |
Annual |
| Gulf Power [member]: Purchased Power Affiliates |
Annual |
| Gulf Power [member]: Purchased Power Non-affiliates |
Annual |
| Gulf Power [member]: Retail Revenues |
Annual |
| Gulf Power [member]: Revenues |
Annual |
| Gulf Power [member]: Segment Net Income |
Annual |
| Gulf Power [member]: Taxes Other Than Income Taxes |
Annual |
| Gulf Power [member]: Total Operating Expenses |
Annual |
| Gulf Power [member]: Total Other Income And |
Annual |
| Gulf Power [member]: Wholesale Revenues Affiliates |
Annual |
| Gulf Power [member]: Wholesale Revenues Non-affiliates |
Annual |
| Income Taxes |
Annual |
| Mississippi Power Co: Depreciation And Amortization |
Annual |
| Mississippi Power [member]: Depreciation And Amortization |
Annual |
| Mississippi Power [member]: Dividends On Preferred And Preference Stock Of Subsidiaries |
Annual |
| Mississippi Power [member]: Earnings Before Income Taxes |
Annual |
| Mississippi Power [member]: Fuel Expense |
Annual |
| Mississippi Power [member]: Income Taxes |
Annual |
| Mississippi Power [member]: Interest Expense |
Annual |
| Mississippi Power [member]: Net Income |
Annual |
| Mississippi Power [member]: Operating Income |
Annual |
| Mississippi Power [member]: Other Income Net |
Annual |
| Mississippi Power [member]: Other Operations And Maintenance |
Annual |
| Mississippi Power [member]: Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity |
Annual |
| Mississippi Power [member]: Purchased Power Affiliates |
Annual |
| Mississippi Power [member]: Purchased Power Non-affiliates |
Annual |
| Mississippi Power [member]: Retail Revenues |
Annual |
| Mississippi Power [member]: Revenues |
Annual |
| Mississippi Power [member]: Segment Net Income |
Annual |
| Mississippi Power [member]: Taxes Other Than Income Taxes |
Annual |
| Mississippi Power [member]: Total Operating Expenses |
Annual |
| Mississippi Power [member]: Total Other Income And |
Annual |
| Mississippi Power [member]: Wholesale Revenues Affiliates |
Annual |
| Mississippi Power [member]: Wholesale Revenues Non-affiliates |
Annual |
| Net Income |
Annual |
| Operating Expenses: Cost Of Natural Gas |
Annual |
| Operating Expenses: Cost Of Other Sales |
Annual |
| Operating Expenses: Depreciation And Amortization |
Annual |
| Operating Expenses: Depreciation And Amortization |
Annual |
| Operating Expenses: Estimated Loss On Kemper Igcc |
Annual |
| Operating Expenses: Fuel Expense |
Annual |
| Operating Expenses: Other Operations And Maintenance |
Annual |
| Operating Expenses: Purchased Power |
Annual |
| Operating Expenses: Taxes Other Than Income Taxes |
Annual |
| Operating Expenses: Total Operating Expenses |
Annual |
| Operating Income |
Annual |
| Operating Revenues: Natural Gas Revenues |
Annual |
| Operating Revenues: Other Electric Revenues |
Annual |
| Operating Revenues: Other Revenues |
Annual |
| Operating Revenues: Retail Revenues |
Annual |
| Operating Revenues: Revenues |
Annual |
| Operating Revenues: Wholesale Revenues |
Annual |
| Other Income And |
Annual |
| Other Income and - Interest income |
Annual |
| Other Income And Net |
Annual |
| Other Income And: Earnings From Equity Method Investments |
Annual |
| Other Income And: Interest Expense |
Annual |
| Other Income And: Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity |
Annual |
| Predecessor - Income taxes |
Annual |
| Predecessor - Interest expense net of amounts capitalized |
Annual |
| Predecessor - Merger-related expenses |
Annual |
| Predecessor - Taxes other than income taxes |
Annual |
| Predecessor [Member] - Gain on disposition of assets |
Annual |
| Predecessor [Member] - Loss from discontinued operations net of tax |
Annual |
| Segment Net Income |
Annual |
| SOUTHERN Co GAS - Consolidated Net Income |
Annual |
| SOUTHERN Co GAS - Cost of natural gas |
Annual |
| SOUTHERN Co GAS - Cost of other sales |
Annual |
| SOUTHERN Co GAS - Depreciation and amortization |
Annual |
| SOUTHERN Co GAS - Earnings from equity method investments |
Annual |
| SOUTHERN Co GAS - EBITDA |
Annual |
| SOUTHERN Co GAS - Income taxes |
Annual |
| SOUTHERN Co GAS - Interest expense net of amounts capitalized |
Annual |
| SOUTHERN Co GAS - Loss on Plant Scherer Unit 3 |
Annual |
| SOUTHERN Co GAS - Merger-related expenses |
Annual |
| SOUTHERN Co GAS - Other income net |
Annual |
| SOUTHERN Co GAS - Other operations and maintenance |
Annual |
| SOUTHERN Co GAS - Other revenues |
Annual |
| SOUTHERN Co GAS - Taxes other than income taxes |
Annual |
| SOUTHERN Co GAS - Total operating expenses |
Annual |
| SOUTHERN Co GAS - Total other income and |
Annual |
| Southern Co Gas: Natural Gas Revenues |
Annual |
| Southern Co Gas: Net Income After Dividends On Preferred And Preference Stock |
Annual |
| Southern Co Gas: Operating Income |
Annual |
| Southern Co Gas: Total Operating Revenues |
Annual |
| Southern Company Gas [Member] - Gain on disposition of assets |
Annual |
| Southern Company Gas [Member] - Income from continuing operations |
Annual |
| Southern Company Gas [Member] - Loss from discontinued operations net of tax |
Annual |
| SOUTHERN POWER CO - Earnings from equity method investments |
Annual |
| Southern Power Co: Depreciation And Amortization |
Annual |
| Southern Power Co: Natural Gas Revenues |
Annual |
| Southern Power Co: Purchased Power |
Annual |
| Southern Power [Member] - Wholesale revenues affiliates |
Annual |
| Southern Power [member]: Comprehensive Income Attributable To Noncontrolling Interests |
Annual |
| Southern Power [member]: Depreciation And Amortization |
Annual |
| Southern Power [member]: Earnings Before Income Taxes |
Annual |
| Southern Power [member]: Fuel Expense |
Annual |
| Southern Power [member]: Income Taxes |
Annual |
| Southern Power [member]: Interest Expense |
Annual |
| Southern Power [member]: Net Income |
Annual |
| Southern Power [member]: Net Income Attributable To Southern Power Company |
Annual |
| Southern Power [member]: Operating Income |
Annual |
| Southern Power [member]: Other Income Net |
Annual |
| Southern Power [member]: Other Operations And Maintenance |
Annual |
| Southern Power [member]: Other Revenues |
Annual |
| Southern Power [member]: Purchased Power Non-affiliates |
Annual |
| Southern Power [member]: Revenues |
Annual |
| Southern Power [member]: Segment Net Income |
Annual |
| Southern Power [member]: Taxes Other Than Income Taxes |
Annual |
| Southern Power [member]: Total Operating Expenses |
Annual |
| Southern Power [member]: Total Other Income And |
Annual |
| Southern Power [member]: Wholesale Revenues Non-affiliates |
Annual |
| Successor [Member] - Operating Income |
Annual |
| Successor [Member] - Operating revenues |
Annual |
| Successor [Member] - Segment net income |
Annual |
