$SO
Southern Co

2011 Q4 Form 10-K Financial Statement

#000009212213000014 Filed on February 28, 2013

View on sec.gov

Income Statement

Concept 2011 Q4 2011 Q3 2011 Q2
Revenue $3.696B $5.428B $4.521B
YoY Change -2.0% 2.03% 7.45%
Cost Of Revenue $148.0M $215.0M $145.0M
YoY Change 49.8% 2.72% 12.93%
Gross Profit $3.548B $5.213B $4.376B
YoY Change -3.39% 2.0% 7.28%
Gross Profit Margin 96.0% 96.04% 96.79%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $518.0M $519.0M $510.0M
YoY Change 13.97% 1.98% 14.35%
% of Gross Profit 14.6% 9.96% 11.65%
Operating Expenses $2.959B $3.561B $3.240B
YoY Change -7.59% -2.49% 3.58%
Operating Profit $589.0M $1.652B $1.136B
YoY Change 25.19% 13.27% 19.45%
Interest Expense -$219.0M -$217.0M -$199.0M
YoY Change -0.36% -1.23% -6.97%
% of Operating Profit -37.18% -13.14% -17.52%
Other Income/Expense, Net $3.000M -$176.0M $32.00M
YoY Change -84.69% -580.87% -12.81%
Pretax Income $373.0M $1.476B $969.0M
YoY Change 37.94% 15.73% 25.21%
Income Tax $96.00M $543.0M $349.0M
% Of Pretax Income 25.74% 36.79% 36.02%
Net Earnings $277.0M $933.0M $620.0M
YoY Change 63.42% 11.95% 17.78%
Net Earnings / Revenue 7.49% 17.19% 13.71%
Basic Earnings Per Share $0.30 $1.07 $0.71
Diluted Earnings Per Share $320.2K $1.06 $719.3K
COMMON SHARES
Basic Shares Outstanding 860.0M shares 855.0M shares
Diluted Shares Outstanding 868.0M shares

Balance Sheet

Concept 2011 Q4 2011 Q3 2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $1.315B $1.516B $437.0M
YoY Change 194.18% 20.41% 64.29%
Cash & Equivalents $1.315B $1.516B $437.0M
Short-Term Investments
Other Short-Term Assets $46.00M $1.218B $1.273B
YoY Change -97.28% -14.59% -7.01%
Inventory $2.270B $1.930B $2.067B
Prepaid Expenses $385.0M
Receivables $1.048B $1.371B $1.249B
Other Receivables $425.0M $460.0M $476.0M
Total Short-Term Assets $6.272B $6.495B $5.502B
YoY Change 6.61% -1.72% -0.4%
LONG-TERM ASSETS
Property, Plant & Equipment $45.01B $43.80B $43.28B
YoY Change 7.16% 6.31% 6.52%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $482.0M $7.051B $7.242B
YoY Change -93.26% -0.49% 0.3%
Total Long-Term Assets $53.00B $50.85B $50.52B
YoY Change 7.83% 5.31% 5.58%
TOTAL ASSETS
Total Short-Term Assets $6.272B $6.495B $5.502B
Total Long-Term Assets $53.00B $50.85B $50.52B
Total Assets $59.27B $57.34B $56.02B
YoY Change 7.7% 4.46% 4.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $1.553B $1.355B $1.423B
YoY Change 21.8% 16.71% 10.91%
Accrued Expenses $1.328B $1.265B $1.086B
YoY Change -10.51% -10.35% -2.25%
Deferred Revenue
YoY Change
Short-Term Debt $859.0M $137.0M $857.0M
YoY Change -33.77% -60.63% -2.83%
Long-Term Debt Due $1.717B $1.891B $1.354B
YoY Change 31.98% -4.69% -10.57%
Total Short-Term Liabilities $6.577B $5.657B $5.699B
YoY Change 1.62% -5.62% -3.98%
LONG-TERM LIABILITIES
Long-Term Debt $18.65B $18.73B $18.55B
YoY Change 2.72% 2.94% 2.31%
Other Long-Term Liabilities $514.0M $4.823B $4.822B
YoY Change -89.34% -13.64% -8.41%
Total Long-Term Liabilities $514.0M $23.56B $23.38B
YoY Change -97.76% -0.95% -0.1%
TOTAL LIABILITIES
Total Short-Term Liabilities $6.577B $5.657B $5.699B
Total Long-Term Liabilities $514.0M $23.56B $23.38B
Total Liabilities $40.61B $38.63B $37.96B
YoY Change 7.57% 2.85% 3.26%
SHAREHOLDERS EQUITY
Retained Earnings $8.968B
YoY Change
Common Stock $8.738B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost) $17.00M
YoY Change
Treasury Stock Shares 500.0K shares
Shareholders Equity $18.66B $18.72B $18.06B
YoY Change
Total Liabilities & Shareholders Equity $59.27B $57.34B $56.02B
YoY Change 7.7% 4.46% 4.96%

Cashflow Statement

Concept 2011 Q4 2011 Q3 2011 Q2
OPERATING ACTIVITIES
Net Income $277.0M $933.0M $620.0M
YoY Change 63.42% 11.95% 17.78%
Depreciation, Depletion And Amortization $518.0M $519.0M $510.0M
YoY Change 13.97% 1.98% 14.35%
Cash From Operating Activities $1.305B $2.209B $1.391B
YoY Change 181.01% 4.61% 105.77%
INVESTING ACTIVITIES
Capital Expenditures -$1.410B -$989.0M -$1.040B
YoY Change 18.27% 3.23% 17.95%
Acquisitions
YoY Change
Other Investing Activities $125.0M $155.0M -$140.0M
YoY Change -316.26% -1350.0% 113.09%
Cash From Investing Activities -$1.285B -$834.0M -$1.180B
YoY Change 2.8% -14.06% 24.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -221.0M -296.0M -184.0M
YoY Change 737.12% 99.06% -192.7%
NET CHANGE
Cash From Operating Activities 1.305B 2.209B 1.391B
Cash From Investing Activities -1.285B -834.0M -1.180B
Cash From Financing Activities -221.0M -296.0M -184.0M
Net Change In Cash -201.0M 1.079B 27.00M
YoY Change -75.25% 8.73% -137.09%
FREE CASH FLOW
Cash From Operating Activities $1.305B $2.209B $1.391B
Capital Expenditures -$1.410B -$989.0M -$1.040B
Free Cash Flow $2.715B $3.198B $2.431B
YoY Change 63.89% 4.18% 56.06%

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209000000 USD
CY2010 us-gaap Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net
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-24000000 USD
CY2012 us-gaap Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net
DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
-18000000 USD
CY2011 us-gaap Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net
DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
-15000000 USD
CY2011 us-gaap Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net
DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
-28000000 USD
CY2012 us-gaap Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net
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-19000000 USD
CY2010 us-gaap Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net
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-1000000 USD
CY2012 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
1693000000 USD
CY2010 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
1496000000 USD
CY2011 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
1601000000 USD
CY2012 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.70
CY2011 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.57
CY2010 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.37
CY2012Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.44
CY2011Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.50
CY2012Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.11
CY2011Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.71
CY2012Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.71
CY2011Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.30
CY2011Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.07
CY2012Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.42
CY2011 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.55
CY2012 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.67
CY2010 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.36
CY2010 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.335
CY2012 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.356
CY2011 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.350
CY2010 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35
CY2012 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
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0.35
CY2011 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
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0.35
CY2012 us-gaap Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
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-0.010
CY2011 us-gaap Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
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-0.011
CY2010 us-gaap Effective Income Tax Rate Reconciliation Deductions Employee Stock Ownership Plan Dividends
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-0.012
CY2011 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
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0.007
CY2010 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
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0.008
CY2012 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depreciation
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0.009
CY2010 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002
CY2011 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002
CY2012 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.001
CY2010 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.001
CY2012 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.001
CY2011 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.001
CY2010 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.018
CY2012 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.025
CY2011 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.024
CY2010 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.004
CY2012 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.003
CY2011 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.002
CY2011 us-gaap Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
528000000 USD
CY2010 us-gaap Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
198000000 USD
CY2012 us-gaap Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
397000000 USD
CY2012Q4 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
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8000000 USD
CY2011 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
8000000 USD
CY2012 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
9000000 USD
CY2010 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
9000000 USD
CY2011 us-gaap Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
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60000000 USD
CY2012 us-gaap Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
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62000000 USD
CY2010 us-gaap Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options
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22000000 USD
CY2012Q4 us-gaap Energy Related Inventory Other Fossil Fuel
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1819000000 USD
CY2011Q4 us-gaap Energy Related Inventory Other Fossil Fuel
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1367000000 USD
CY2010 us-gaap Federal Income Tax Expense Benefit Continuing Operations
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940000000 USD
CY2012 us-gaap Federal Income Tax Expense Benefit Continuing Operations
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1188000000 USD
CY2011 us-gaap Federal Income Tax Expense Benefit Continuing Operations
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1092000000 USD
CY2012 us-gaap Gain Loss Related To Litigation Settlement
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19000000 USD
CY2010 us-gaap Gain Loss Related To Litigation Settlement
GainLossRelatedToLitigationSettlement
0 USD
CY2011 us-gaap Gain Loss Related To Litigation Settlement
GainLossRelatedToLitigationSettlement
0 USD
CY2009 us-gaap Gain Loss Related To Litigation Settlement
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-202000000 USD
CY2011 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
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3487000000 USD
CY2010 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
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3066000000 USD
CY2012 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
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3749000000 USD
CY2012 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1334000000 USD
CY2011 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1219000000 USD
CY2010 us-gaap Interest Paid Net
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789000000 USD
CY2012Q4 us-gaap Interest Payable Current
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237000000 USD
CY2011Q4 us-gaap Interest Payable Current
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226000000 USD
CY2010 us-gaap Income Tax Expense Benefit
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1026000000 USD
CY2011 us-gaap Income Taxes Paid Net
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-401000000 USD
CY2010 us-gaap Income Taxes Paid Net
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276000000 USD
CY2012 us-gaap Income Taxes Paid Net
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38000000 USD
CY2011 us-gaap Increase Decrease In Accounts Payable
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-5000000 USD
CY2012 us-gaap Increase Decrease In Accounts Payable
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4000000 USD
CY2012 us-gaap Increase Decrease In Accrued Salaries
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CY2011 us-gaap Increase Decrease In Accrued Salaries
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10000000 USD
CY2010 us-gaap Increase Decrease In Accrued Salaries
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180000000 USD
CY2011 us-gaap Increase Decrease In Fossil Fuel Inventories
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62000000 USD
CY2012 us-gaap Increase Decrease In Fossil Fuel Inventories
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452000000 USD
CY2010 us-gaap Increase Decrease In Fossil Fuel Inventories
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CY2010 us-gaap Increase Decrease In Other Operating Assets
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17000000 USD
CY2012 us-gaap Increase Decrease In Other Operating Assets
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37000000 USD
CY2011 us-gaap Increase Decrease In Other Operating Assets
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17000000 USD
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-40000000 USD
CY2011 us-gaap Increase Decrease In Other Operating Liabilities
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18000000 USD
CY2010 us-gaap Increase Decrease In Other Operating Liabilities
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75000000 USD
CY2012 us-gaap Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
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97000000 USD
CY2011 us-gaap Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories
60000000 USD
CY2010 us-gaap Increase Decrease In Raw Materials Packaging Materials And Supplies Inventories
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30000000 USD
CY2010 us-gaap Increase Decrease In Receivables
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-80000000 USD
CY2011 us-gaap Increase Decrease In Receivables
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CY2012 us-gaap Increase Decrease In Receivables
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CY2011 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
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7000000 shares
CY2012 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
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8000000 shares
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5000000 shares
CY2010 us-gaap Interest And Debt Expense
InterestAndDebtExpense
895000000 USD
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859000000 USD
CY2011 us-gaap Interest And Debt Expense
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857000000 USD
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83000000 USD
CY2010 us-gaap Interest Paid Capitalized
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86000000 USD
CY2011 us-gaap Interest Paid Capitalized
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78000000 USD
CY2011 us-gaap Interest Paid Net
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832000000 USD
CY2012 us-gaap Interest Paid Net
InterestPaidNet
803000000 USD
CY2012Q4 us-gaap Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net
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14000000 USD
CY2012 us-gaap Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
40000000 USD
CY2011 us-gaap Investment Income Interest And Dividend
InvestmentIncomeInterestAndDividend
21000000 USD
CY2010 us-gaap Investment Income Interest And Dividend
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24000000 USD
CY2012Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Current
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206000000 USD
CY2011Q4 us-gaap Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Current
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206000000 USD
CY2012 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
155000000 USD
CY2011 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
176000000 USD
CY2010 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
188000000 USD
CY2012Q4 us-gaap Leveraged Leases Balance Sheet Investment In Leveraged Leases Net
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670000000 USD
CY2011Q4 us-gaap Leveraged Leases Balance Sheet Investment In Leveraged Leases Net
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649000000 USD
CY2011Q4 us-gaap Liabilities
Liabilities
40607000000 USD
CY2012Q4 us-gaap Liabilities
Liabilities
43770000000 USD
CY2011Q4 us-gaap Liabilities And Stockholders Equity
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59267000000 USD
CY2012Q4 us-gaap Liabilities And Stockholders Equity
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63149000000 USD
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6577000000 USD
CY2012Q4 us-gaap Liabilities Current
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7014000000 USD
CY2012 us-gaap Line Of Credit Facility Commitment Fee Percentage
LineOfCreditFacilityCommitmentFeePercentage
0
CY2012Q4 us-gaap Line Of Credit Facility Maximum Borrowing Capacity
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5183000000 USD
CY2012Q4 us-gaap Line Of Credit Facility Remaining Borrowing Capacity
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5173000000 USD
CY2011Q4 us-gaap Long Term Debt And Capital Lease Obligations
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18647000000 USD
CY2012Q4 us-gaap Long Term Debt And Capital Lease Obligations
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19274000000 USD
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1717000000 USD
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2335000000 USD
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8702000000 USD
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10073000000 USD
CY2011Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
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1436000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
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1436000000 USD
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1095000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
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1095000000 USD
CY2011Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
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1210000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
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1360000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
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2375000000 USD
CY2011Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
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1175000000 USD
CY2011Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
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437000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
434000000 USD
CY2012Q4 us-gaap Long Term Investments
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2189000000 USD
CY2011Q4 us-gaap Long Term Investments
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2118000000 USD
CY2012Q4 us-gaap Minority Interest
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CY2011Q4 us-gaap Minority Interest
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707000000 USD
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CY2012 us-gaap Net Cash Provided By Used In Financing Activities
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CY2010 us-gaap Net Cash Provided By Used In Financing Activities
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22000000 USD
CY2010 us-gaap Net Cash Provided By Used In Investing Activities
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CY2011 us-gaap Net Cash Provided By Used In Investing Activities
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CY2012 us-gaap Net Cash Provided By Used In Investing Activities
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CY2012 us-gaap Net Cash Provided By Used In Operating Activities
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4898000000 USD
CY2010 us-gaap Net Cash Provided By Used In Operating Activities
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3991000000 USD
CY2011 us-gaap Net Cash Provided By Used In Operating Activities
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5903000000 USD
CY2010 us-gaap Net Income Loss Attributable To Noncontrolling Interest
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65000000 USD
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65000000 USD
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65000000 USD
CY2011 us-gaap Net Income Loss Available To Common Stockholders Basic
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2203000000 USD
CY2012 us-gaap Net Income Loss Available To Common Stockholders Basic
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2350000000 USD
CY2010 us-gaap Net Income Loss Available To Common Stockholders Basic
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1975000000 USD
CY2012Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
383000000 USD
CY2012Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
976000000 USD
CY2011Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
422000000 USD
CY2012Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
368000000 USD
CY2011Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
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916000000 USD
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261000000 USD
CY2011Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
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604000000 USD
CY2012Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
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623000000 USD
CY2012Q4 us-gaap Net Regulatory Assets
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CY2011Q4 us-gaap Net Regulatory Assets
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CY2012 us-gaap Nonoperating Income Expense
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CY2010 us-gaap Nonoperating Income Expense
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CY2012Q4 us-gaap Notional Amount Of Fair Value Hedge Instruments
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350000000 USD
CY2011 us-gaap Operating Income Loss
OperatingIncomeLoss
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CY2010 us-gaap Operating Income Loss
OperatingIncomeLoss
3802000000 USD
CY2012 us-gaap Operating Income Loss
OperatingIncomeLoss
4463000000 USD
CY2012Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
1740000000 USD
CY2011Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
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CY2011Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
854000000 USD
CY2011Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
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CY2012Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
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CY2011Q4 us-gaap Operating Income Loss
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CY2012Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
1143000000 USD
CY2012Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
814000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due
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422000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due Current
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113000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
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32000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
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45000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
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53000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
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95000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due Thereafter
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84000000 USD
CY2012Q4 us-gaap Operating Loss Carryforwards
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827000000 USD
CY2011Q4 us-gaap Other Assets Current
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46000000 USD
CY2012Q4 us-gaap Other Assets Current
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CY2012Q4 us-gaap Other Assets Noncurrent
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CY2011Q4 us-gaap Other Assets Noncurrent
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482000000 USD
CY2012 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax
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6000000 USD
CY2011 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
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-1000000 USD
CY2010 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
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1000000 USD
CY2012 us-gaap Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax
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-2000000 USD
CY2010 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
18000000 USD
CY2011 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-41000000 USD
CY2012 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
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CY2011 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax
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9000000 USD
CY2010 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax
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15000000 USD
CY2012 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax
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11000000 USD
CY2012 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax
7000000 USD
CY2011 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax
6000000 USD
CY2010 us-gaap Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax
9000000 USD
CY2012 us-gaap Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
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CY2010 us-gaap Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
1000000 USD
CY2011 us-gaap Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax
OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax
-14000000 USD
CY2011 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax
-26000000 USD
CY2012 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
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-8000000 USD
CY2010 us-gaap Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax
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1000000 USD
CY2011 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-18000000 USD
CY2010 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
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-1000000 USD
CY2012 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
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-12000000 USD
CY2011 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
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-10000000 USD
CY2010 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
0 USD
CY2012 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
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-7000000 USD
CY2010 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
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-3000000 USD
CY2012 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
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0 USD
CY2011 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
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-4000000 USD
CY2011 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
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-2000000 USD
CY2010 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
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-2000000 USD
CY2012 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
0 USD
CY2011Q4 us-gaap Other Inventory Supplies
OtherInventorySupplies
903000000 USD
CY2012Q4 us-gaap Other Inventory Supplies
OtherInventorySupplies
1000000000 USD
CY2011Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
426000000 USD
CY2012Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
483000000 USD
CY2011Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
514000000 USD
CY2012Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
668000000 USD
CY2011Q4 us-gaap Other Long Term Debt
OtherLongTermDebt
3621000000 USD
CY2012Q4 us-gaap Other Long Term Debt
OtherLongTermDebt
3621000000 USD
CY2012Q4 us-gaap Other Long Term Debt Current
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227000000 USD
CY2011Q4 us-gaap Other Long Term Debt Current
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493000000 USD
CY2012Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
216000000 USD
CY2011Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
262000000 USD
CY2010 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
33000000 USD
CY2012 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-56000000 USD
CY2011 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-15000000 USD
CY2010 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-59000000 USD
CY2012 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-38000000 USD
CY2011 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-61000000 USD
CY2011 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
70000000 USD
CY2012 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
59000000 USD
CY2010 us-gaap Other Sales Revenue Net
OtherSalesRevenueNet
82000000 USD
CY2012 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
127000000 USD
CY2010 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
44000000 USD
CY2011 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
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CY2012 us-gaap Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
149000000 USD
CY2010 us-gaap Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
125000000 USD
CY2011 us-gaap Payments For Proceeds From Removal Costs
PaymentsForProceedsFromRemovalCosts
93000000 USD
CY2010 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0 USD
CY2012 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
430000000 USD
CY2011 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0 USD
CY2012 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
1693000000 USD
CY2011 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
1601000000 USD
CY2010 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
1496000000 USD
CY2012 us-gaap Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
65000000 USD
CY2010 us-gaap Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
65000000 USD
CY2011 us-gaap Payments Of Dividends Minority Interest
PaymentsOfDividendsMinorityInterest
65000000 USD
CY2011 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
4525000000 USD
CY2012 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
4809000000 USD
CY2010 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
4086000000 USD
CY2012 us-gaap Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
1046000000 USD
CY2012 us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
397000000 USD
CY2012 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
19000000 USD
CY2011 us-gaap Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
2195000000 USD
CY2010 us-gaap Payments To Invest In Decommissioning Fund
PaymentsToInvestInDecommissioningFund
2009000000 USD
CY2011 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
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CY2012 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
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CY2010 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
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CY2012Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
2540000000 USD
CY2011Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
2442000000 USD
CY2012Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
657000000 USD
CY2011Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
385000000 USD
CY2010 us-gaap Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
2004000000 USD
CY2011 us-gaap Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
2190000000 USD
CY2012 us-gaap Proceeds From Decommissioning Fund
ProceedsFromDecommissioningFund
1043000000 USD
CY2010 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
772000000 USD
CY2011 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
723000000 USD
CY2012 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
397000000 USD
CY2012 us-gaap Proceeds From Issuance Of Long Term Debt And Capital Securities Net
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4404000000 USD
CY2010 us-gaap Proceeds From Issuance Of Long Term Debt And Capital Securities Net
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3151000000 USD
CY2011 us-gaap Proceeds From Issuance Of Long Term Debt And Capital Securities Net
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3719000000 USD
CY2011 us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options
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723000000 USD
CY2010 us-gaap Proceeds From Payments For Other Financing Activities
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CY2011 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-20000000 USD
CY2010 us-gaap Proceeds From Repayments Of Short Term Debt
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659000000 USD
CY2011 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
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CY2012 us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-30000000 USD
CY2012 us-gaap Profit Loss
ProfitLoss
2415000000 USD
CY2011 us-gaap Profit Loss
ProfitLoss
2268000000 USD
CY2010 us-gaap Profit Loss
ProfitLoss
2040000000 USD
CY2012Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
63251000000 USD
CY2011Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
59744000000 USD
CY2011Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
45010000000 USD
CY2012Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
48390000000 USD
CY2010 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
194000000 USD
CY2012 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
143000000 USD
CY2011 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
153000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Amount Of Acquisition Adjustments1
PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1
124000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Amount Of Acquisition Adjustments1
PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1
124000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
15958000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Distribution
PublicUtilitiesPropertyPlantAndEquipmentDistribution
15458000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
33444000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Generation Or Processing
PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
31751000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
758000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Other Property Plant And Equipment
PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
770000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
63251000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Plant In Service
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
59744000000 USD
CY2012Q4 us-gaap Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
8747000000 USD
CY2011Q4 us-gaap Public Utilities Property Plant And Equipment Transmission
PublicUtilitiesPropertyPlantAndEquipmentTransmission
8240000000 USD
CY2012 us-gaap Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
3169000000 USD
CY2010 us-gaap Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
2966000000 USD
CY2011 us-gaap Repayments Of Long Term Debt And Capital Securities
RepaymentsOfLongTermDebtAndCapitalSecurities
3170000000 USD
CY2011Q4 us-gaap Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
8000000 USD
CY2012Q4 us-gaap Restricted Cash And Investments Current
RestrictedCashAndInvestmentsCurrent
7000000 USD
CY2012Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
9626000000 USD
CY2011Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
8968000000 USD
CY2012Q1 us-gaap Revenues
Revenues
3604000000 USD
CY2011Q1 us-gaap Revenues
Revenues
4012000000 USD
CY2012Q2 us-gaap Revenues
Revenues
4181000000 USD
CY2011Q3 us-gaap Revenues
Revenues
5428000000 USD
CY2010 us-gaap Revenues
Revenues
17456000000 USD
CY2011 us-gaap Revenues
Revenues
17657000000 USD
CY2012 us-gaap Revenues
Revenues
16537000000 USD
CY2012Q4 us-gaap Revenues
Revenues
3703000000 USD
CY2012Q3 us-gaap Revenues
Revenues
5049000000 USD
CY2011Q2 us-gaap Revenues
Revenues
4521000000 USD
CY2011Q4 us-gaap Revenues
Revenues
3696000000 USD
CY2011 us-gaap Revenues From External Customers
RevenuesFromExternalCustomers
17587000000 USD
CY2012 us-gaap Revenues From External Customers
RevenuesFromExternalCustomers
16478000000 USD
CY2010 us-gaap Revenues From External Customers
RevenuesFromExternalCustomers
17374000000 USD
CY2012Q4 us-gaap Senior Notes
SeniorNotes
17400000000 USD
CY2011Q4 us-gaap Senior Notes Current
SeniorNotesCurrent
1200000000 USD
CY2012Q4 us-gaap Senior Notes Current
SeniorNotesCurrent
2085000000 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.042
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.048
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.056
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
0.174
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
0.175
CY2011Q4 us-gaap Senior Notes
SeniorNotes
15900000000 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
0.177
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.024
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.009
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.023
CY2012Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
22724015 shares
CY2012Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
34.09
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
57000000 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
162000000 USD
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
155000000 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
73769 shares
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
37.75
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
7153669 shares
CY2012Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
243000000 USD
CY2011Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
40956822 shares
CY2012Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
35916303 shares
CY2012Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
36.37
CY2011Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
33.88
CY2012 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
32.76
CY2012 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
44.50
CY2011 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P5Y
CY2012 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P5Y
CY2010 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P5Y
CY2012Q4 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
199000000 USD
CY2012 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P5Y
CY2012 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P6Y
CY2010 us-gaap Stock Option Plan Expense
StockOptionPlanExpense
33000000 USD
CY2011 us-gaap Stock Option Plan Expense
StockOptionPlanExpense
42000000 USD
CY2012 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
430000000 USD
CY2011Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
18285000000 USD
CY2012Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
19004000000 USD
CY2009Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
15585000000 USD
CY2010Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
16909000000 USD
CY2010 us-gaap Stockholders Equity Other
StockholdersEquityOther
-3000000 USD
CY2011Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
859000000 USD
CY2012Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
825000000 USD
CY2011Q4 us-gaap Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
0.005
CY2010 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
86000000 USD
CY2012 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
146000000 USD
CY2011 us-gaap State And Local Income Tax Expense Benefit Continuing Operations
StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
127000000 USD
CY2012 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
12120419 shares
CY2010 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
772000000 USD
CY2012 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
397000000 USD
CY2011 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
725000000 USD
CY2012 us-gaap Stock Option Plan Expense
StockOptionPlanExpense
55000000 USD
CY2011 us-gaap Stockholders Equity Other
StockholdersEquityOther
-1000000 USD
CY2012 us-gaap Stockholders Equity Other
StockholdersEquityOther
-1000000 USD
CY2012 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
914000000 USD
CY2011 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
901000000 USD
CY2010 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
869000000 USD
CY2011Q4 us-gaap Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
375000000 USD
CY2012Q4 us-gaap Temporary Equity Carrying Amount Attributable To Parent
TemporaryEquityCarryingAmountAttributableToParent
375000000 USD
CY2012Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
10000000 shares
CY2011Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
500000 shares
CY2012Q4 us-gaap Treasury Stock Value
TreasuryStockValue
450000000 USD
CY2011Q4 us-gaap Treasury Stock Value
TreasuryStockValue
17000000 USD
CY2012Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
133000000 USD
CY2011Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
156000000 USD
CY2012Q4 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
309000000 USD
CY2011Q4 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
285000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
70000000 USD
CY2010Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
296000000 USD
CY2011Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
120000000 USD
CY2009Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
199000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
27000000 USD
CY2011 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
111000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
56000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
10000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
0 USD
CY2011 us-gaap Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
112000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
13000000 USD
CY2011 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
46000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
62000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
62000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
7000000 USD
CY2011 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
1000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
1000000 USD
CY2011Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
10000000 USD
CY2010Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
29000000 USD
CY2009Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
21000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
-8000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
0 USD
CY2011 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Expense
UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
-5000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Period Increase Decrease
UnrecognizedTaxBenefitsPeriodIncreaseDecrease
50000000 USD
CY2011 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
0 USD
CY2010 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
0 USD
CY2012 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
4000000 USD
CY2011Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
69000000 USD
CY2010Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
217000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
5000000 USD
CY2012 us-gaap Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
5057000000 USD
CY2011 us-gaap Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
6262000000 USD
CY2010 us-gaap Utilities Operating Expense Fuel Used
UtilitiesOperatingExpenseFuelUsed
6699000000 USD
CY2011 us-gaap Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
3938000000 USD
CY2010 us-gaap Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
4010000000 USD
CY2012 us-gaap Utilities Operating Expense Maintenance And Operations
UtilitiesOperatingExpenseMaintenanceAndOperations
3791000000 USD
CY2011 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
864000000 shares
CY2010 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
837000000 shares
CY2012 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
879000000 shares
CY2012 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
871000000 shares
CY2011 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
857000000 shares
CY2010 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
832000000 shares
CY2012 so Additional Bonus Depreciation For Property Acquired
AdditionalBonusDepreciationForPropertyAcquired
1
CY2012Q4 so After Tax Adjustment To Income
AfterTaxAdjustmentToIncome
17000000 USD
CY2011 so Afudc Equity
AfudcEquity
-0.015
CY2010 so Afudc Equity
AfudcEquity
-0.022
CY2012 so Afudc Equity
AfudcEquity
-0.013
CY2012 so Aggregate Payment For Claims Resulting From Terrorist Acts In One Year Period
AggregatePaymentForClaimsResultingFromTerroristActsInOneYearPeriod
3200000000 USD
CY2011 so Allowance For Funds Used During Construction And Interest Capitalized Net Of Income Taxes
AllowanceForFundsUsedDuringConstructionAndInterestCapitalizedNetOfIncomeTaxes
0.091
CY2012 so Allowance For Funds Used During Construction And Interest Capitalized Net Of Income Taxes
AllowanceForFundsUsedDuringConstructionAndInterestCapitalizedNetOfIncomeTaxes
0.082
CY2010 so Allowance For Funds Used During Construction And Interest Capitalized Net Of Income Taxes
AllowanceForFundsUsedDuringConstructionAndInterestCapitalizedNetOfIncomeTaxes
0.125
CY2011 so Amortization Of Deferred Investment Tax Credits
AmortizationOfDeferredInvestmentTaxCredits
19000000 USD
CY2010 so Amortization Of Deferred Investment Tax Credits
AmortizationOfDeferredInvestmentTaxCredits
23000000 USD
CY2012 so Amortization Of Deferred Investment Tax Credits
AmortizationOfDeferredInvestmentTaxCredits
23000000 USD
CY2012 so Amortization Of Deferred Investment Tax Credits Income Tax Expense
AmortizationOfDeferredInvestmentTaxCreditsIncomeTaxExpense
2600000 USD
CY2011 so Amortization Of Deferred Investment Tax Credits Income Tax Expense
AmortizationOfDeferredInvestmentTaxCreditsIncomeTaxExpense
900000 USD
CY2012 so Amortization Of Regulatory Asset Vacation Pay
AmortizationOfRegulatoryAssetVacationPay
P1Y
CY2012 so Amortized Period For Other Cost Of Removal Obligations
AmortizedPeriodForOtherCostOfRemovalObligations
P1Y
CY2011Q4 so Amount Of Facility Reflected In Financial Statements Of Company
AmountOfFacilityReflectedInFinancialStatementsOfCompany
431000000 USD
CY2012Q2 so Amount Of Insurance Claim Received In Respect Of Litigation Settlement
AmountOfInsuranceClaimReceivedInRespectOfLitigationSettlement
25000000 USD
CY2012Q4 so Amount Of Variable Rate Pollution Control Revenue Bonds Outstanding Requiring Liquidity Support
AmountOfVariableRatePollutionControlRevenueBondsOutstandingRequiringLiquiditySupport
1800000000 USD
CY2012Q4 so Annual Dividend Preferred And Preference Stock
AnnualDividendPreferredAndPreferenceStock
45000000 USD
CY2012 so Annual Increase Or Decrease In Assumed Medical Care Cost Trend Rate
AnnualIncreaseOrDecreaseInAssumedMedicalCareCostTrendRate
0.01
CY2012Q4 so Annualized Interest Long Term Debt
AnnualizedInterestLongTermDebt
821000000 USD
CY2011 so Assumed Average Stock Price
AssumedAverageStockPrice
42.67
CY2012 so Assumed Average Stock Price
AssumedAverageStockPrice
47.89
CY2012Q4 so Bank Credit Arrangements No Term Loan Due With In One Year
BankCreditArrangementsNoTermLoanDueWithInOneYear
232000000 USD
CY2012Q4 so Bank Credit Arrangements Term Loan Due With In One Year
BankCreditArrangementsTermLoanDueWithInOneYear
191000000 USD
CY2012 so Block Period Considered For Inflation Adjustment Against Maximum Assessment Per Reactor
BlockPeriodConsideredForInflationAdjustmentAgainstMaximumAssessmentPerReactor
P5Y
CY2012 so Block Period Considered For Inflation Adjustment Against Maximum Yearly Assessment
BlockPeriodConsideredForInflationAdjustmentAgainstMaximumYearlyAssessment
P5Y
CY2012 so Bonus Depreciation For Property Acquired
BonusDepreciationForPropertyAcquired
0.5
CY2012Q4 so Capitalization In Percent
CapitalizationInPercent
1
CY2011Q4 so Capitalization In Percent
CapitalizationInPercent
1
CY2010 so Certain Regulatory Assets
CertainRegulatoryAssets
51000000 USD
CY2011 so Certain Regulatory Assets
CertainRegulatoryAssets
0 USD
CY2012 so Certain Regulatory Assets
CertainRegulatoryAssets
0 USD
CY2010 so Change In Construction Payables
ChangeInConstructionPayables
29000000 USD
CY2011 so Change In Construction Payables
ChangeInConstructionPayables
198000000 USD
CY2012 so Change In Construction Payables
ChangeInConstructionPayables
-84000000 USD
CY2012 so Civil Penalties Under Clean Air Act Per Day Lower Range Limit
CivilPenaltiesUnderCleanAirActPerDayLowerRangeLimit
25000 USD
CY2012 so Civil Penalties Under Clean Air Act Per Day Upper Range Limit
CivilPenaltiesUnderCleanAirActPerDayUpperRangeLimit
37500 USD
CY2011Q4 so Common Stockholders Equity In Percent Of Capitalization
CommonStockholdersEquityInPercentOfCapitalization
0.471
CY2012Q4 so Common Stockholders Equity In Percent Of Capitalization
CommonStockholdersEquityInPercentOfCapitalization
0.473
CY2012Q4 so Long Term Debt And Capital Lease Obligation Maturities Re Payments In Year Three
LongTermDebtAndCapitalLeaseObligationMaturitiesRePaymentsInYearThree
2440000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligation Maturities Re Payments In Year Two
LongTermDebtAndCapitalLeaseObligationMaturitiesRePaymentsInYearTwo
448000000 USD
CY2011Q4 so Long Term Debt And Capital Lease Obligation Net
LongTermDebtAndCapitalLeaseObligationNet
20364000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligation Net
LongTermDebtAndCapitalLeaseObligationNet
21609000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligations In Percent Of Capitalization
LongTermDebtAndCapitalLeaseObligationsInPercentOfCapitalization
0.499
CY2012Q4 so Deferred Charges And Other Assets
DeferredChargesAndOtherAssets
6408000000 USD
CY2011Q4 so Deferred Charges And Other Assets
DeferredChargesAndOtherAssets
5867000000 USD
CY2012Q4 so Deferred Charges Related To Income Taxes
DeferredChargesRelatedToIncomeTaxes
1385000000 USD
CY2011Q4 so Deferred Charges Related To Income Taxes
DeferredChargesRelatedToIncomeTaxes
1365000000 USD
CY2011Q4 so Deferred Credits Related To Income Taxes
DeferredCreditsRelatedToIncomeTaxes
224000000 USD
CY2012Q4 so Deferred Credits Related To Income Taxes
DeferredCreditsRelatedToIncomeTaxes
211000000 USD
CY2010 so Depreciation And Amortization Excluding Nuclear Fuel
DepreciationAndAmortizationExcludingNuclearFuel
1513000000 USD
CY2012 so Depreciation And Amortization Excluding Nuclear Fuel
DepreciationAndAmortizationExcludingNuclearFuel
1787000000 USD
CY2011 so Depreciation And Amortization Excluding Nuclear Fuel
DepreciationAndAmortizationExcludingNuclearFuel
1717000000 USD
CY2012Q4 so Executable Term Loans For One Year
ExecutableTermLoansForOneYear
151000000 USD
CY2012Q4 so Executable Term Loans For Two Years
ExecutableTermLoansForTwoYears
40000000 USD
CY2012Q4 so Expected Potential Impairment Loss On Abandonment Of Project
ExpectedPotentialImpairmentLossOnAbandonmentOfProject
90000000 USD
CY2012 so Expected Volume Of Natural Gas Subject To Option To Sell Back Excess Gas Due To Operational Constraints
ExpectedVolumeOfNaturalGasSubjectToOptionToSellBackExcessGasDueToOperationalConstraints
6000000 MMBTU
CY2012 so Expense Under Purchase Power Agreements Accounted For As Operating Leases
ExpenseUnderPurchasePowerAgreementsAccountedForAsOperatingLeases
171000000 USD
CY2011 so Expense Under Purchase Power Agreements Accounted For As Operating Leases
ExpenseUnderPurchasePowerAgreementsAccountedForAsOperatingLeases
199000000 USD
CY2010 so Expense Under Purchase Power Agreements Accounted For As Operating Leases
ExpenseUnderPurchasePowerAgreementsAccountedForAsOperatingLeases
180000000 USD
CY2012Q4 so Fair Market Value Of Funds Securities On Loan Under Funds Managers Securities Lending Program
FairMarketValueOfFundsSecuritiesOnLoanUnderFundsManagersSecuritiesLendingProgram
91000000 USD
CY2011Q4 so Fair Market Value Of Funds Securities On Loan Under Funds Managers Securities Lending Program
FairMarketValueOfFundsSecuritiesOnLoanUnderFundsManagersSecuritiesLendingProgram
39000000 USD
CY2012Q4 so Fair Value Of Collateral Received Amount
FairValueOfCollateralReceivedAmount
93000000 USD
CY2011Q4 so Fair Value Of Collateral Received Amount
FairValueOfCollateralReceivedAmount
42000000 USD
CY2012Q4 so Fair Value Of Derivative Liabilities With Contingent Features
FairValueOfDerivativeLiabilitiesWithContingentFeatures
15000000 USD
CY2011 so Increase Decrease In Accrued Taxes
IncreaseDecreaseInAccruedTaxes
330000000 USD
CY2011 so Increase Decrease In Fair Value Of Securities Related To Nuclear Decommissioning
IncreaseDecreaseInFairValueOfSecuritiesRelatedToNuclearDecommissioning
29000000 USD
CY2010 so Increase Decrease In Fair Value Of Securities Related To Nuclear Decommissioning
IncreaseDecreaseInFairValueOfSecuritiesRelatedToNuclearDecommissioning
139000000 USD
CY2012 so Frequency Of Indemnity Payments
FrequencyOfIndemnityPayments
Weekly over a three year period
CY2012 so Increase Decrease In Accrued Taxes
IncreaseDecreaseInAccruedTaxes
-71000000 USD
CY2010 so Increase Decrease In Accrued Taxes
IncreaseDecreaseInAccruedTaxes
-308000000 USD
CY2012 so Increase Decrease In Fair Value Of Securities Related To Nuclear Decommissioning
IncreaseDecreaseInFairValueOfSecuritiesRelatedToNuclearDecommissioning
137000000 USD
CY2010 so Increase Decrease Retail Fuel Cost Over Recovery Short Term
IncreaseDecreaseRetailFuelCostOverRecoveryShortTerm
178000000 USD
CY2011 so Increase Decrease Retail Fuel Cost Over Recovery Short Term
IncreaseDecreaseRetailFuelCostOverRecoveryShortTerm
3000000 USD
CY2012 so Increase Decrease Retail Fuel Cost Over Recovery Short Term
IncreaseDecreaseRetailFuelCostOverRecoveryShortTerm
-129000000 USD
CY2011 so Interest Bearing Refundable Deposit Related To Asset Sale
InterestBearingRefundableDepositRelatedToAssetSale
0 USD
CY2010 so Interest Bearing Refundable Deposit Related To Asset Sale
InterestBearingRefundableDepositRelatedToAssetSale
0 USD
CY2012 so Interest Bearing Refundable Deposit Related To Asset Sale
InterestBearingRefundableDepositRelatedToAssetSale
150000000 USD
CY2011Q4 so Interest Bearing Refundable Deposit Related To Assets Sale
InterestBearingRefundableDepositRelatedToAssetsSale
0 USD
CY2012Q4 so Interest Bearing Refundable Deposit Related To Assets Sale
InterestBearingRefundableDepositRelatedToAssetsSale
150000000 USD
CY2012 so Interest Reclassified Due To Settlements
InterestReclassifiedDueToSettlements
9000000 USD
CY2010 so Interest Reclassified Due To Settlements
InterestReclassifiedDueToSettlements
0 USD
CY2011 so Interest Reclassified Due To Settlements
InterestReclassifiedDueToSettlements
24000000 USD
CY2012Q2 so Legal Fee Related To Insurance Recoveries
LegalFeeRelatedToInsuranceRecoveries
6000000 USD
CY2012Q4 so Line Of Credit Expire Year Four
LineOfCreditExpireYearFour
3800000000 USD
CY2012Q4 so Line Of Credit Expire Year One
LineOfCreditExpireYearOne
423000000 USD
CY2012Q4 so Line Of Credit Expire Year Two
LineOfCreditExpireYearTwo
960000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligation Maturities Re Payments In Next Twelve Months
LongTermDebtAndCapitalLeaseObligationMaturitiesRePaymentsInNextTwelveMonths
2340000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligation Maturities Re Payments In Year Five
LongTermDebtAndCapitalLeaseObligationMaturitiesRePaymentsInYearFive
1140000000 USD
CY2012Q4 so Long Term Debt And Capital Lease Obligation Maturities Re Payments In Year Four
LongTermDebtAndCapitalLeaseObligationMaturitiesRePaymentsInYearFour
1370000000 USD
CY2012Q4 so Other Regulatory Assets Current
OtherRegulatoryAssetsCurrent
163000000 USD
CY2012Q4 so Other Regulatory Assets Deferred
OtherRegulatoryAssetsDeferred
4032000000 USD
CY2011Q4 so Other Regulatory Assets Deferred
OtherRegulatoryAssetsDeferred
3579000000 USD
CY2011Q4 so Other Regulatory Liabilities Current
OtherRegulatoryLiabilitiesCurrent
125000000 USD
CY2012Q4 so Other Regulatory Liabilities Current
OtherRegulatoryLiabilitiesCurrent
107000000 USD
CY2011Q4 so Other Regulatory Liabilities Deferred
OtherRegulatoryLiabilitiesDeferred
297000000 USD
CY2012Q4 so Other Regulatory Liabilities Deferred
OtherRegulatoryLiabilitiesDeferred
289000000 USD
CY2011Q4 so Long Term Debt And Capital Lease Obligations In Percent Of Capitalization
LongTermDebtAndCapitalLeaseObligationsInPercentOfCapitalization
0.500
CY2012Q4 so Long Term Debt Maturities Repayments Of Principal In Last Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInLastTwelveMonths
0 USD
CY2011Q4 so Long Term Debt Maturities Repayments Of Principal In Last Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInLastTwelveMonths
1203000000 USD
CY2011Q4 so Long Term Senior Notes And Debt
LongTermSeniorNotesAndDebt
16398000000 USD
CY2012Q4 so Long Term Senior Notes And Debt
LongTermSeniorNotesAndDebt
17649000000 USD
CY2012 so Maximum Additional Coverage Provided For Losses Under Excess Insurance
MaximumAdditionalCoverageProvidedForLossesUnderExcessInsurance
2250000000 USD
CY2012 so Maximum Aggregate Amount For Each Incident
MaximumAggregateAmountForEachIncident
17500000 USD
CY2012 so Maximum Aggregate Amount To Be Paid In One Year
MaximumAggregateAmountToBePaidInOneYear
35000000 USD
CY2012 so Maximum Amount For Each Licensed Reactor
MaximumAmountForEachLicensedReactor
117500000 USD
CY2012 so Maximum Coverage Per Occurrence Per Unit Limit To Obtain Replacement Power
MaximumCoveragePerOccurrencePerUnitLimitToObtainReplacementPower
490000000 USD
CY2012 so Maximum Deductible Waiting Period
MaximumDeductibleWaitingPeriod
26 weeks
CY2012 so Maximum Fund Provided For Public Liability Claims
MaximumFundProvidedForPublicLiabilityClaims
12600000000 USD
CY2012 so Maximum Insurance Coverage
MaximumInsuranceCoverage
375000000 USD
CY2012 so Maximum Limit Per Occurrence Period Limit Exhausted
MaximumLimitPerOccurrencePeriodLimitExhausted
P3Y
CY2012 so Maximum Number Of Days Related To Dollar Weighted Average Portfolio Maturities Regarding Commingled Funds
MaximumNumberOfDaysRelatedToDollarWeightedAveragePortfolioMaturitiesRegardingCommingledFunds
P90D
CY2012 so Maximum Number Of Months Related To Maturities In Portfolio Not To Exceeded From Date Of Purchase
MaximumNumberOfMonthsRelatedToMaturitiesInPortfolioNotToExceededFromDateOfPurchase
P13M
CY2012 so Maximum Percentage Of Transfer Performance Shares To Common Stock Based On Actual Shareholder Return
MaximumPercentageOfTransferPerformanceSharesToCommonStockBasedOnActualShareholderReturn
2
CY2012 so Maximum Percentage Of Uncollectible Accounts
MaximumPercentageOfUncollectibleAccounts
0.01
CY2012Q4 so Maximum Potential Collateral Requirements Arising From Credit Risk Related Contingent Features
MaximumPotentialCollateralRequirementsArisingFromCreditRiskRelatedContingentFeatures
15000000 USD
CY2012 so Maximum Property Damage Insurance Provided To Nuclear Generating Facilities
MaximumPropertyDamageInsuranceProvidedToNuclearGeneratingFacilities
500000000 USD
CY2012 so Maximum Revenue From Single Customer Or Industry
MaximumRevenueFromSingleCustomerOrIndustry
0.1
CY2012 so Minimum Net Worth Requirement By One Or More Persons To Hold External Trust Funds
MinimumNetWorthRequirementByOneOrMorePersonsToHoldExternalTrustFunds
100000000 USD
CY2012 so Minimum Percentage Of Transfer Performance Shares To Common Stock Based On Actual Shareholder Return
MinimumPercentageOfTransferPerformanceSharesToCommonStockBasedOnActualShareholderReturn
0
CY2011Q4 so Minority Interest In Percent Of Capitalization
MinorityInterestInPercentOfCapitalization
0.019
CY2012Q4 so Minority Interest In Percent Of Capitalization
MinorityInterestInPercentOfCapitalization
0.018
CY2012Q2 so Net Amount Received Of Insurance Claim In Respect Of Litigation Settlement
NetAmountReceivedOfInsuranceClaimInRespectOfLitigationSettlement
19000000 USD
CY2010 so Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
427000000 USD
CY2011 so Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
929000000 USD
CY2012 so Noncash Property Additions Recognized
NoncashPropertyAdditionsRecognized
524000000 USD
CY2012Q4 so Nuclear Fuel At Amortized Cost
NuclearFuelAtAmortizedCost
851000000 USD
CY2011Q4 so Nuclear Fuel At Amortized Cost
NuclearFuelAtAmortizedCost
774000000 USD
CY2012Q4 so Number Of Employees Participating In Stock Option Plan
NumberOfEmployeesParticipatingInStockOptionPlan
6026 Employee
CY2012Q4 so Number Of Traditional Operating Companies
NumberOfTraditionalOperatingCompanies
4
CY2012 so Original Maturities Of Temporary Cash Investments
OriginalMaturitiesOfTemporaryCashInvestments
P90D
CY2011Q4 so Other Accounts Notes And Loans Receivable
OtherAccountsNotesAndLoansReceivable
282000000 USD
CY2012Q4 so Other Accounts Notes And Loans Receivable
OtherAccountsNotesAndLoansReceivable
235000000 USD
CY2011Q4 so Other Cost Of Removal Obligations
OtherCostOfRemovalObligations
1165000000 USD
CY2012Q4 so Other Cost Of Removal Obligations
OtherCostOfRemovalObligations
1194000000 USD
CY2012Q4 so Other Cost Of Removal Obligations Related To Subsidiary
OtherCostOfRemovalObligationsRelatedToSubsidiary
31000000 USD
CY2012 so Other Electric Revenues
OtherElectricRevenues
616000000 USD
CY2011 so Other Electric Revenues
OtherElectricRevenues
611000000 USD
CY2010 so Other Electric Revenues
OtherElectricRevenues
589000000 USD
CY2011Q4 so Other Regulatory Assets Current
OtherRegulatoryAssetsCurrent
239000000 USD
CY2011Q4 so Other Utility Plant Net
OtherUtilityPlantNet
55000000 USD
CY2012Q4 so Other Utility Plant Net
OtherUtilityPlantNet
263000000 USD
CY2010 so Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
50000000 USD
CY2012 so Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
280000000 USD
CY2011 so Payments For Investment In Restricted Cash
PaymentsForInvestmentInRestrictedCash
-1000000 USD
CY2012 so Period Over Which Company Has Elected To Amortize Changes In Market Value Of All Plan Assets
PeriodOverWhichCompanyHasElectedToAmortizeChangesInMarketValueOfAllPlanAssets
P5Y
CY2012Q4 so Plant In Service Net Of Depreciation
PlantInServiceNetOfDepreciation
41287000000 USD
CY2011Q4 so Plant In Service Net Of Depreciation
PlantInServiceNetOfDepreciation
38590000000 USD
CY2012Q4 so Portion Included In Current Tax Liabilities Current Tax Assets Net
PortionIncludedInCurrentTaxLiabilitiesCurrentTaxAssetsNet
237000000 USD
CY2011Q4 so Portion Included In Current Tax Liabilities Current Tax Assets Net
PortionIncludedInCurrentTaxLiabilitiesCurrentTaxAssetsNet
125000000 USD
CY2011 so Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
-63000000 USD
CY2012 so Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
-284000000 USD
CY2010 so Proceeds From Distribution Of Restricted Cash
ProceedsFromDistributionOfRestrictedCash
-25000000 USD
CY2012 so Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
1000000000 USD
CY2011 so Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
2200000000 USD
CY2010 so Proceeds From Sale Of Securities Held In External Trust Funds
ProceedsFromSaleOfSecuritiesHeldInExternalTrustFunds
2000000000 USD
CY2011Q4 so Public Utilities Property Plant And Equipment Communications Equipment
PublicUtilitiesPropertyPlantAndEquipmentCommunicationsEquipment
428000000 USD
CY2012Q4 so Public Utilities Property Plant And Equipment Communications Equipment
PublicUtilitiesPropertyPlantAndEquipmentCommunicationsEquipment
430000000 USD
CY2011Q4 so Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
3413000000 USD
CY2012Q4 so Public Utilities Property Plant And Equipment General
PublicUtilitiesPropertyPlantAndEquipmentGeneral
4208000000 USD
CY2012Q4 so Public Utilities Property Plant And Equipment It Equipment And Software
PublicUtilitiesPropertyPlantAndEquipmentItEquipmentAndSoftware
230000000 USD
CY2011Q4 so Public Utilities Property Plant And Equipment It Equipment And Software
PublicUtilitiesPropertyPlantAndEquipmentItEquipmentAndSoftware
220000000 USD
CY2012Q4 so Public Utilities Property Plant And Equipment Other
PublicUtilitiesPropertyPlantAndEquipmentOther
110000000 USD
CY2011Q4 so Public Utilities Property Plant And Equipment Other
PublicUtilitiesPropertyPlantAndEquipmentOther
110000000 USD
CY2012Q4 so Ratio Of Indebtedness To Capitalization Covenant
RatioOfIndebtednessToCapitalizationCovenant
0.65
CY2012 so Refueling Cycles Maximum Period
RefuelingCyclesMaximumPeriod
P10Y
CY2012 so Refueling Cycles Minimum Period
RefuelingCyclesMinimumPeriod
P18M
CY2012Q4 so Regulatory Hedge Unrealized Gain
RegulatoryHedgeUnrealizedGain
23000000 USD
CY2011Q4 so Regulatory Hedge Unrealized Gain
RegulatoryHedgeUnrealizedGain
14000000 USD
CY2011Q4 so Regulatory Hedge Unrealized Loss
RegulatoryHedgeUnrealizedLoss
-235000000 USD
CY2012Q4 so Regulatory Hedge Unrealized Loss
RegulatoryHedgeUnrealizedLoss
-109000000 USD
CY2012 so Regulatory Liability For State Income Tax Credits Amortization Period
RegulatoryLiabilityForStateIncomeTaxCreditsAmortizationPeriod
P21M
CY2012 so Stock Repurchased From Stock Option Exercised
StockRepurchasedFromStockOptionExercised
9000000 shares
CY2012 dei Document Period End Date
DocumentPeriodEndDate
2012-12-31
CY2012 dei Document Type
DocumentType
10-K
CY2012 dei Entity Central Index Key
EntityCentralIndexKey
0000092122
CY2013Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
868969827 shares
CY2012 so Retail Fuel Cost Over Recovery Long Term
RetailFuelCostOverRecoveryLongTerm
-123000000 USD
CY2011 so Retail Fuel Cost Over Recovery Long Term
RetailFuelCostOverRecoveryLongTerm
0 USD
CY2010 so Retail Fuel Cost Over Recovery Long Term
RetailFuelCostOverRecoveryLongTerm
0 USD
CY2011 so Retail Revenues
RetailRevenues
15071000000 USD
CY2010 so Retail Revenues
RetailRevenues
14791000000 USD
CY2012 so Retail Revenues
RetailRevenues
14187000000 USD
CY2012 so Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue
3.39 USD
CY2011 so Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue
3.23 USD
CY2010 so Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageGrantDateFairValue
2.23 USD
CY2012 so Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Reserved For Issuance Pursuant To Stock Based Compensation Plan
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesReservedForIssuancePursuantToStockBasedCompensationPlan
130000000 shares
CY2012Q2 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
44.22
CY2011Q1 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
36.51
CY2012Q3 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
44.64
CY2012Q4 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
41.75
CY2011Q4 so Short Term Borrowings Excluding Other Energy Service Contracts
ShortTermBorrowingsExcludingOtherEnergyServiceContracts
854000000 USD
CY2012 so Stock Issued During Period Shares Company Investment Plan And Employee And Director Stock Plans
StockIssuedDuringPeriodSharesCompanyInvestmentPlanAndEmployeeAndDirectorStockPlans
12100000 shares
CY2011 so Stock Issued During Period Shares Company Investment Plan And Employee And Director Stock Plans
StockIssuedDuringPeriodSharesCompanyInvestmentPlanAndEmployeeAndDirectorStockPlans
21900000 shares
CY2012Q4 so Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
65000000 USD
CY2010Q4 so Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
79000000 USD
CY2011Q4 so Tax Positions Not Impacting Effective Tax Rate
TaxPositionsNotImpactingEffectiveTaxRate
51000000 USD
CY2011Q4 so Temporary Equity Carrying Amount In Percent Of Capitalization
TemporaryEquityCarryingAmountInPercentOfCapitalization
0.010
CY2012Q4 so Temporary Equity Carrying Amount In Percent Of Capitalization
TemporaryEquityCarryingAmountInPercentOfCapitalization
0.010
CY2012Q3 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
48.59
CY2011Q4 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
46.69
CY2012Q2 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
48.45
CY2011Q3 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
43.09
CY2012Q1 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
46.06
CY2011Q1 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
38.79
CY2011Q2 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
40.87
CY2012Q4 so Trading Price Range Per Common Share High
TradingPriceRangePerCommonShareHigh
47.09
CY2011Q2 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
37.43
CY2012Q1 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
43.71
CY2011Q3 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
35.73
CY2011Q4 so Trading Price Range Per Common Share Low
TradingPriceRangePerCommonShareLow
41
CY2011Q4 so Unbilled Revenues Current
UnbilledRevenuesCurrent
376000000 USD
CY2012Q4 so Unbilled Revenues Current
UnbilledRevenuesCurrent
441000000 USD
CY2011Q4 so Under Recovered Regulatory Clause Revenues
UnderRecoveredRegulatoryClauseRevenues
143000000 USD
CY2012Q4 so Under Recovered Regulatory Clause Revenues
UnderRecoveredRegulatoryClauseRevenues
29000000 USD
CY2012 so Undistributed Retained Earnings Of Subsidiaries
UndistributedRetainedEarningsOfSubsidiaries
6400000000 USD
CY2011Q4 so Unrecognized Tax Benefits Accrued Taxes
UnrecognizedTaxBenefitsAccruedTaxes
22000000 USD
CY2012Q4 so Unrecognized Tax Benefits Accrued Taxes
UnrecognizedTaxBenefitsAccruedTaxes
2000000 USD
CY2011Q4 so Utility Plant In Service
UtilityPlantInService
58986000000 USD
CY2012Q4 so Utility Plant In Service
UtilityPlantInService
62481000000 USD
CY2011Q4 so Vacation Pay
VacationPay
160000000 USD
CY2012Q4 so Vacation Pay
VacationPay
165000000 USD
CY2012 so Voluntary Contribution To Pension Plan
VoluntaryContributionToPensionPlan
445000000 USD
CY2011 so Wholesale Revenues
WholesaleRevenues
1905000000 USD
CY2010 so Wholesale Revenues
WholesaleRevenues
1994000000 USD
CY2012 so Wholesale Revenues
WholesaleRevenues
1675000000 USD
CY2012 dei Amendment Flag
AmendmentFlag
false
CY2012 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2012 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2012 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2012
CY2012 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2012 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2012Q2 dei Entity Public Float
EntityPublicFloat
40500000000 USD
CY2012 dei Entity Registrant Name
EntityRegistrantName
SOUTHERN CO
CY2012 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2012 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes

Files In Submission

Name View Source Status
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