$EXC
EXELON CORP

2012 Q4 Form 10-K Financial Statement

#000119312513069749 Filed on February 22, 2013

View on sec.gov

Income Statement

Concept 2012 Q4 2012 Q3 2012 Q2
Revenue $6.254B $6.579B $5.966B
YoY Change 43.54% 25.22% 32.7%
Cost Of Revenue $2.759B $3.026B $2.606B
YoY Change 92.94% 42.67% 51.86%
Gross Profit $3.495B $3.553B $3.360B
YoY Change 19.36% 13.41% 20.86%
Gross Profit Margin 55.88% 54.01% 56.32%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $1.170B $1.014B $1.119B
YoY Change 90.55% 217.87% 254.11%
% of Gross Profit 33.48% 28.54% 33.3%
Operating Expenses $2.769B $2.960B $2.589B
YoY Change 48.47% 51.64% 48.28%
Operating Profit $704.0M $603.0M $714.0M
YoY Change -33.71% -48.94% -30.95%
Interest Expense -$253.0M $240.0M $250.0M
YoY Change 39.01% 36.36% 42.05%
% of Operating Profit -35.94% 39.8% 35.01%
Other Income/Expense, Net $93.00M -$145.0M -$299.0M
YoY Change -37.58% -55.25% 269.14%
Pretax Income $566.0M $458.0M $415.0M
YoY Change -45.05% -46.56% -56.45%
Income Tax $182.0M $161.0M $126.0M
% Of Pretax Income 32.16% 35.15% 30.36%
Net Earnings $378.0M $296.0M $286.0M
YoY Change -37.62% -50.75% -53.87%
Net Earnings / Revenue 6.04% 4.5% 4.79%
Basic Earnings Per Share $0.44 $0.35 $0.34
Diluted Earnings Per Share $0.44 $0.35 $0.33
COMMON SHARES
Basic Shares Outstanding 854.0M shares 854.0M shares 853.0M shares
Diluted Shares Outstanding 857.0M shares 857.0M shares 856.0M shares

Balance Sheet

Concept 2012 Q4 2012 Q3 2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $1.486B $1.700B $1.349B
YoY Change 46.26% 58.73% 140.04%
Cash & Equivalents $1.486B $1.700B $1.349B
Short-Term Investments
Other Short-Term Assets $560.0M $1.072B $1.435B
YoY Change 63.74% 117.44% 181.93%
Inventory $1.014B $1.031B $999.0M
Prepaid Expenses
Receivables $2.795B $2.835B $2.886B
Other Receivables $1.141B $1.216B $1.252B
Total Short-Term Assets $10.14B $11.33B $11.75B
YoY Change 77.49% 80.18% 135.69%
LONG-TERM ASSETS
Property, Plant & Equipment $45.19B $43.91B $42.61B
YoY Change 38.74% 37.74% 38.1%
Goodwill $2.625B $2.625B $2.625B
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments $1.849B $3.117B $3.134B
YoY Change 4008.89% 313.4% 317.31%
Other Assets $1.128B $1.176B $1.156B
YoY Change 131.15% 25.37% 53.93%
Total Long-Term Assets $68.42B $67.03B $65.68B
YoY Change 38.84% 40.02% 39.75%
TOTAL ASSETS
Total Short-Term Assets $10.14B $11.33B $11.75B
Total Long-Term Assets $68.42B $67.03B $65.68B
Total Assets $78.56B $78.35B $77.43B
YoY Change 42.85% 44.68% 48.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $2.378B $2.359B $2.183B
YoY Change 64.68% 69.96% 68.31%
Accrued Expenses $1.796B $1.502B $1.452B
YoY Change 43.11% 42.64% 65.38%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $60.00M $376.0M
YoY Change -100.0% -87.01% 168.57%
Long-Term Debt Due $1.047B $1.119B $591.0M
YoY Change 26.45% -9.69% -43.61%
Total Short-Term Liabilities $7.791B $7.770B $8.083B
YoY Change 51.75% 56.12% 89.39%
LONG-TERM LIABILITIES
Long-Term Debt $17.19B $17.05B $17.05B
YoY Change 45.69% 40.04% 44.89%
Other Long-Term Liabilities $1.650B $1.691B $1.736B
YoY Change 30.13% 34.96% 52.68%
Total Long-Term Liabilities $18.84B $18.74B $18.78B
YoY Change 44.18% 39.57% 45.58%
TOTAL LIABILITIES
Total Short-Term Liabilities $7.791B $7.770B $8.083B
Total Long-Term Liabilities $18.84B $18.74B $18.78B
Total Liabilities $56.74B $56.16B $55.03B
YoY Change 40.04% 41.43% 45.63%
SHAREHOLDERS EQUITY
Retained Earnings $9.893B $9.959B $10.11B
YoY Change -1.61% -1.84% 2.22%
Common Stock $16.63B $16.59B $16.56B
YoY Change 82.63% 82.81% 82.89%
Preferred Stock
YoY Change
Treasury Stock (at cost) $2.327B $2.327B $2.327B
YoY Change 0.0% 0.0% 0.0%
Treasury Stock Shares 35.00M shares 35.00M shares 35.00M shares
Shareholders Equity $21.43B $21.82B $22.03B
YoY Change
Total Liabilities & Shareholders Equity $78.56B $78.35B $77.43B
YoY Change 42.85% 44.68% 48.95%

Cashflow Statement

Concept 2012 Q4 2012 Q3 2012 Q2
OPERATING ACTIVITIES
Net Income $378.0M $296.0M $286.0M
YoY Change -37.62% -50.75% -53.87%
Depreciation, Depletion And Amortization $1.170B $1.014B $1.119B
YoY Change 90.55% 217.87% 254.11%
Cash From Operating Activities $1.557B $1.845B $1.735B
YoY Change -19.58% -3.1% 42.21%
INVESTING ACTIVITIES
Capital Expenditures -$1.627B -$1.346B -$1.320B
YoY Change 52.06% 36.37% 58.08%
Acquisitions
YoY Change
Other Investing Activities $393.0M -$12.00M -$24.00M
YoY Change -21.08% -98.76% -60.0%
Cash From Investing Activities -$1.234B -$1.358B -$1.344B
YoY Change 115.73% -30.61% 50.17%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -537.0M -136.0M 237.0M
YoY Change -62.16% -124.2% -194.8%
NET CHANGE
Cash From Operating Activities 1.557B 1.845B 1.735B
Cash From Investing Activities -1.234B -1.358B -1.344B
Cash From Financing Activities -537.0M -136.0M 237.0M
Net Change In Cash -214.0M 351.0M 628.0M
YoY Change 289.09% -31.04% 737.33%
FREE CASH FLOW
Cash From Operating Activities $1.557B $1.845B $1.735B
Capital Expenditures -$1.627B -$1.346B -$1.320B
Free Cash Flow $3.184B $3.191B $3.055B
YoY Change 5.92% 10.38% 48.66%

Facts In Submission

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EXELON CORP
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CY2011 exc Stock Issued During Period Value Long Term Incentive Plan Activity
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CY2012 us-gaap Dividends Common Stock Cash
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CY2011 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
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CY2011 exc Minority Interest Increase From Acquisition
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CY2011 us-gaap Dividends Preferred Stock Cash
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CY2012 us-gaap Stock Issued During Period Shares Acquisitions
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CY2012 us-gaap Stock Issued During Period Value Acquisitions
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<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;margin-left:24.5px;">Generation owns 100% of all of its significant consolidated subsidiaries, either directly or indirectly, except for</font><font style="font-family:Arial;font-size:10pt;"> a retail power supply VIE for which Generation has no ownership interest but does have a controlling financial interest through contractual arrangements;</font><font style="font-family:Arial;font-size:10pt;"> Exelon SHC, Inc., of which Generation owns 99% and the remaining 1% is indirectly owned by Exelon, which is eliminated in Exelon's consolidated financial statements</font><font style="font-family:Arial;font-size:10pt;">; and certain Exelon Wind projects, of which Generation holds a majority interest ranging from 94% to 99%</font><font style="font-family:Arial;font-size:10pt;"> for certain periods of time</font><font style="font-family:Arial;font-size:10pt;">, and </font><font style="font-family:Arial;font-size:10pt;">the remaining </font><font style="font-family:Arial;font-size:10pt;">interest</font><font style="font-family:Arial;font-size:10pt;">s are included in </font><font style="font-family:Arial;font-size:10pt;">noncontrolling interest on </font><font style="font-family:Arial;font-size:10pt;">Exelon</font><font style="font-family:Arial;font-size:10pt;">'</font><font style="font-family:Arial;font-size:10pt;">s and Generation</font><font style="font-family:Arial;font-size:10pt;">'</font><font style="font-family:Arial;font-size:10pt;">s Consolidated Balance Sheets. See </font><font style="font-family:Arial;font-size:10pt;">Note 2</font><font style="font-family:Arial;font-size:10pt;"> for further discussion of </font><font style="font-family:Arial;font-size:10pt;">Exelon</font><font style="font-family:Arial;font-size:10pt;">'s</font><font style="font-family:Arial;font-size:10pt;"> and Generation's</font><font style="font-family:Arial;font-size:10pt;"> VIEs and </font><font style="font-family:Arial;font-size:10pt;">the reversionary interests of the Noncontrolling members for certain of these projects. </font></p><p style='margin-top:0pt; margin-bottom:0pt'>&#160;</p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;margin-left:24.5px;">ComEd owns 100% of all of its significant consolidated subsidiaries, either directly or indirectly, except for RITELine </font><font style="font-family:Arial;font-size:10pt;">Illinois</font><font style="font-family:Arial;font-size:10pt;">, LLC of which ComEd owns 75% and </font><font style="font-family:Arial;font-size:10pt;">an additional </font><font style="font-family:Arial;font-size:10pt;">12.5% is i</font><font style="font-family:Arial;font-size:10pt;">ndirectly owned by Exelon</font><font style="font-family:Arial;font-size:10pt;">. Exelon and ComEd have reflected </font><font style="font-family:Arial;font-size:10pt;">the third-party interests of 12.5% and 25%, respectively, in RITELine Illinois, LLC, which both totaled less </font><font style="font-family:Arial;font-size:10pt;">than $1 million at</font><font style="font-family:Arial;font-size:10pt;"> </font><font style="font-family:Arial;font-size:10pt;">December 31, 2012</font><font style="font-family:Arial;font-size:10pt;">, as equity</font><font style="font-family:Arial;font-size:10pt;">.</font></p><p style='margin-top:0pt; margin-bottom:0pt'>&#160;</p>
CY2012 us-gaap Use Of Estimates
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<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;">Use of Estimates (Exelon, Generation, ComEd</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;">,</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> PECO</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> and BGE</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;">) </font></p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:7.5pt;margin-left:0px;">&#160;</font></p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;margin-left:24.5px;">The preparation of financial statements of each of the Registrants in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Areas in which significant estimates have been made include, but are not limited to, the accounting for nuclear decommissioning costs and other AROs, pension and other postretirement benefits, </font><font style="font-family:Arial;font-size:10pt;">the application of purchase accounting, </font><font style="font-family:Arial;font-size:10pt;">inventory reserves, allowance for uncollectible accounts, goodwill and asset impairments, derivative instruments, </font><font style="font-family:Arial;font-size:10pt;">unamortized energy contracts, </font><font style="font-family:Arial;font-size:10pt;">fixed asset depreciation, environmental costs</font><font style="font-family:Arial;font-size:10pt;"> and other loss contingencies</font><font style="font-family:Arial;font-size:10pt;">, taxes and unbilled energy revenues. Actual results could differ from those estimates.</font></p><p style='margin-top:0pt; margin-bottom:0pt'>&#160;</p>
CY2012 us-gaap Reclassifications
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<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;">Reclassifications (Exelon,</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> Generation,</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> ComEd</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;">,</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> PECO</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;"> and BGE</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;">) </font></p><p style='margin-top:0pt; margin-bottom:0pt'>&#160;</p><p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Arial;font-size:10pt;margin-left:24.5px;">Certain prior year amounts in</font><font style="font-family:Arial;font-size:10pt;"> Exelon's, Generation's and</font><font style="font-family:Arial;font-size:10pt;"> BGE's Consolidated Statements of Cash Flows, Exelon</font><font style="font-family:Arial;font-size:10pt;">'</font><font style="font-family:Arial;font-size:10pt;">s</font><font style="font-family:Arial;font-size:10pt;">, Generation's, PECO's, ComEd's and</font><font style="font-family:Arial;font-size:10pt;"> BGE's Consolidated Statement</font><font style="font-family:Arial;font-size:10pt;">s</font><font style="font-family:Arial;font-size:10pt;"> of Operations </font><font style="font-family:Arial;font-size:10pt;">and Comprehensive Income </font><font style="font-family:Arial;font-size:10pt;">and in Exelon's, </font><font style="font-family:Arial;font-size:10pt;">Generation's, </font><font style="font-family:Arial;font-size:10pt;">ComEd's, PECO's and BGE's Consolidated Balance Sheets have been reclassified between line items for comparative purposes. The</font><font style="font-family:Arial;font-size:10pt;"> reclassifications did not affect</font><font style="font-family:Arial;font-size:10pt;"> any of</font><font style="font-family:Arial;font-size:10pt;"> the Registrant</font><font style="font-family:Arial;font-size:10pt;">s'</font><font style="font-family:Arial;font-size:10pt;"> net income or cash flows from operating activities.</font></p><p style='margin-top:0pt; margin-bottom:0pt'>&#160;</p>
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CY2012 exc Controlling Financial Interest
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CY2012 exc Minority Interest Percent
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CY2012Q4 exc Minority Interest Upper Bound
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CY2008Q3 exc Electric Revenues Increase Order
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CY2012 exc Near Zero Emissions Coal Fueled Generation Plant
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CY2012 exc Business Acquisition Customer Investment Fund To Invest In Energy Efficiency And Low Income Energy Assistance To Customers
BusinessAcquisitionCustomerInvestmentFundToInvestInEnergyEfficiencyAndLowIncomeEnergyAssistanceToCustomers
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CY2012 exc Business Acquisitions Contribution For Renewable Energy Or Energy Efficiency
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BusinessAcquisitionsCharitableContributions
70000000 USD
CY2012Q4 exc Por Gross Receivables
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191000000 USD
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CY2011Q4 exc Por Allowance
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63000000 USD
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BusinessAcquisitionRegulatoryRateCredit
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CY2012 exc Business Acquisitions Government Funding For Energy Development
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CY2012 exc Business Acquisitions Charitable Contributions Length Of Years
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CY2012Q4 exc Business Acquisition Purchase Price Allocation Intangible Assets Contracts
BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsContracts
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CY2012Q4 exc Business Acquisition Purchase Price Allocation Ceng Investment
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CY2012Q4 exc Business Acquisition Purchase Price Allocation Pension Regulatory Asset
BusinessAcquisitionPurchasePriceAllocationPensionRegulatoryAsset
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CY2012Q4 us-gaap Business Combination Acquisition Of Less Than100 Percent Noncontrolling Interest Fair Value
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CY2012 exc Business Acquisition Divesture Sales Days Extension
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CY2012Q4 exc Business Acquisition Potential Cash Payment
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CY2011 exc Business Acquisition Pro Forma Nonrecurring Cost
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236000000 USD
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1418000000 USD
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293000000 USD
CY2011Q4 us-gaap Unbilled Contracts Receivable
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902000000 USD
CY2011Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
199000000 USD
CY2012Q4 us-gaap Pledged Assets Separately Reported On Statement Of Financial Position At Fair Value
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225000000 USD
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346000000 USD
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21000000 USD
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12184000000 USD
CY2011Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
10959000000 USD
CY2012Q4 us-gaap Property Plant And Equipment Gross
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57370000000 USD
CY2011Q4 us-gaap Property Plant And Equipment Gross
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43529000000 USD
CY2011Q4 exc Nuclear Fuel Fabrication And Installation Stage
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CY2012Q4 exc Building Under Capital Lease Accumulated Depreciation
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CY2012Q4 exc Building Under Capital Lease Gross
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CY2012Q4 exc Building Under Capital Lease Net
BuildingUnderCapitalLeaseNet
2000000 USD
CY2012Q4 exc Accumulated Amortization Nuclear Fuel
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2078000000 USD
CY2011Q4 exc Building Under Capital Lease Net
BuildingUnderCapitalLeaseNet
2000000 USD
CY2011Q4 exc Accumulated Amortization Nuclear Fuel
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CY2012 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
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132000000 USD
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FiniteLivedIntangibleAssetsNet
444000000 USD
CY2012Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
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28000000 USD
CY2012Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
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29000000 USD
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29000000 USD
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29000000 USD
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29000000 USD
CY2011 us-gaap Amortization Of Intangible Assets
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19000000 USD
CY2012 us-gaap Amortization Of Intangible Assets
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20000000 USD
CY2010 us-gaap Amortization Of Intangible Assets
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8000000 USD
CY2012Q4 us-gaap Cash And Cash Equivalents Fair Value Disclosure
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995000000 USD
CY2011Q4 us-gaap Cash And Cash Equivalents Fair Value Disclosure
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861000000 USD
CY2012Q4 exc Fair Value Assets Measured On Recurring Basis Total
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CY2012Q4 exc Fair Value Liabilities Measured On Recurring Basis Deferred Compensation
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102000000 USD
CY2012Q4 exc Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
735000000 USD
CY2012Q4 exc Fair Value Asset And Liabilities Measured On Recurring Basis Total Net
FairValueAssetAndLiabilitiesMeasuredOnRecurringBasisTotalNet
10050000000 USD
CY2011Q4 exc Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
9268000000 USD
CY2011Q4 exc Fair Value Liabilities Measured On Recurring Basis Deferred Compensation
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CY2011Q4 exc Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
311000000 USD
CY2011Q4 exc Fair Value Asset And Liabilities Measured On Recurring Basis Total Net
FairValueAssetAndLiabilitiesMeasuredOnRecurringBasisTotalNet
8957000000 USD
CY2011Q4 us-gaap Financial Instruments Owned Other Sovereign Government Obligations At Fair Value
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CY2012 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
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CY2012 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
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CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Earnings
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CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Other Comprehensive Income
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0 USD
CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Included In Regulatory Assets Liabilities
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40000000 USD
CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
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32000000 USD
CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Transfers Out
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityTransfersOut
89000000 USD
CY2012Q4 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetLiabilityValue
656000000 USD
CY2012 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Total Gain Loss Included In Earnings Attributed To Changes In Unrealized Gains Losses
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CY2011Q4 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Value
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67000000 USD
CY2012 exc Derivative Gain Loss Reclassified To Earnings Net
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CY2011 exc Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Liability Gain Loss Change In Collateral
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CY2012Q4 us-gaap Interest Rate Fair Value Hedge Asset At Fair Value
InterestRateFairValueHedgeAssetAtFairValue
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CY2012Q4 exc Interest Rate Derivative Assets Current
InterestRateDerivativeAssetsCurrent
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InterestRateDerivativeAssetsNoncurrent
59000000 USD
CY2012Q4 exc Total Interest Rate Mark To Market Derivative Assets
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CY2012Q4 exc Interest Rate Derivative Liabilities Current
InterestRateDerivativeLiabilitiesCurrent
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CY2012Q4 exc Interest Rate Derivative Liabilities Noncurrent
InterestRateDerivativeLiabilitiesNoncurrent
31000000 USD
CY2012Q4 exc Total Interest Rate Mark To Market Derivative Liabilities
TotalInterestRateMarkToMarketDerivativeLiabilities
33000000 USD
CY2012Q4 exc Interest Rate Derivative Fair Value Of Derivative Net
InterestRateDerivativeFairValueOfDerivativeNet
30000000 USD
CY2012Q4 exc Commodity Derivative Assets Current
CommodityDerivativeAssetsCurrent
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CY2012Q4 exc Commodity Derivative Assets Noncurrent
CommodityDerivativeAssetsNoncurrent
878000000 USD
CY2012Q4 exc Total Mark To Market Derivative Assets
TotalMarkToMarketDerivativeAssets
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CY2012Q4 exc Commodity Derivative Liabilities Current
CommodityDerivativeLiabilitiesCurrent
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CY2012Q4 exc Affiliate Derivative Liabilities Current
AffiliateDerivativeLiabilitiesCurrent
0 USD
CY2012Q4 exc Commodity Derivative Liabilities Noncurrent
CommodityDerivativeLiabilitiesNoncurrent
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CY2012Q4 exc Total Mark To Market Derivative Liabilities
TotalMarkToMarketDerivativeLiabilities
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CY2012Q4 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
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CY2011Q4 exc Commodity Derivative Assets Current
CommodityDerivativeAssetsCurrent
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CommodityDerivativeAssetsNoncurrent
650000000 USD
CY2011Q4 exc Total Mark To Market Derivative Assets
TotalMarkToMarketDerivativeAssets
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CY2011Q4 exc Commodity Derivative Liabilities Noncurrent
CommodityDerivativeLiabilitiesNoncurrent
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CY2012 exc Other Derivatives Not Designated As Hedging Instruments Change In Fair Value
OtherDerivativesNotDesignatedAsHedgingInstrumentsChangeInFairValue
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CY2012 exc Hypothetical Increase In Interest Rates
HypotheticalIncreaseInInterestRates
0.5 pure
CY2012 exc Other Derivatives Not Designated As Hedging Instruments Reclassification To Realized At Settlement
OtherDerivativesNotDesignatedAsHedgingInstrumentsReclassificationToRealizedAtSettlement
768000000 USD
CY2011Q4 exc Commodity Derivative Liabilities Current
CommodityDerivativeLiabilitiesCurrent
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CY2011Q4 exc Total Mark To Market Derivative Liabilities
TotalMarkToMarketDerivativeLiabilities
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CY2011Q4 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
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CY2011 exc Other Derivatives Not Designated As Hedging Instruments Change In Fair Value
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CY2011 exc Other Derivatives Not Designated As Hedging Instruments Reclassification To Realized At Settlement
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CY2011 exc Other Derivatives Not Designated As Hedging Instruments Gain Loss Net
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CY2011 exc Proprietary Trading Activities Gain Loss Net
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CY2012Q4 us-gaap Notional Amount Of Interest Rate Fair Value Hedge Derivatives
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CY2011Q4 us-gaap Notional Amount Of Interest Rate Fair Value Hedge Derivatives
NotionalAmountOfInterestRateFairValueHedgeDerivatives
100000000 USD
CY2012Q1 exc Interest Rate Swaps Fair Value Acquiree
InterestRateSwapsFairValueAcquiree
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CY2012Q1 exc Interest Rate Swaps Acquiree
InterestRateSwapsAcquiree
550000000 USD
CY2012Q4 exc Interest Rate Swaps Fair Value Acquiree
InterestRateSwapsFairValueAcquiree
150000000 USD
CY2011Q4 us-gaap Commercial Paper
CommercialPaper
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CY2012Q4 exc Commercial Paper Maximum Program Size
CommercialPaperMaximumProgramSize
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CY2011Q4 exc Commercial Paper Maximum Program Size
CommercialPaperMaximumProgramSize
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CY2012Q4 exc Aggregate Bank Commitments Under Unsecured Revolving Credit Facilities
AggregateBankCommitmentsUnderUnsecuredRevolvingCreditFacilities
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CY2012Q4 exc Unsecured Revolving Credit Facilities Available Capacity
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CY2012Q4 exc Unsecured Revolving Credit Facilities Available Capacity To Support Commercial Paper Issuance
UnsecuredRevolvingCreditFacilitiesAvailableCapacityToSupportCommercialPaperIssuance
6479000000 USD
CY2012Q4 us-gaap Line Of Credit Facility Amount Outstanding
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CY2011 us-gaap Shortterm Debt Average Outstanding Amount
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CY2011 us-gaap Shortterm Debt Maximum Amount Outstanding During Period
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CY2012 us-gaap Additions To Noncurrent Assets
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CY2012 us-gaap Shortterm Debt Maximum Amount Outstanding During Period
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CY2010 exc Average Interest Rate Computed On Daily Basis
AverageInterestRateComputedOnDailyBasis
0.0072 pure
CY2012 exc Average Interest Rate Computed On Daily Basis
AverageInterestRateComputedOnDailyBasis
0.0048 pure
CY2011Q4 exc Average Interest Rate At Period End
AverageInterestRateAtPeriodEnd
0.0044 pure
CY2011 exc Average Interest Rate Computed On Daily Basis
AverageInterestRateComputedOnDailyBasis
0.005 pure
CY2012Q4 exc Debt Covenant Actual
DebtCovenantActual
9.62 CreditAgreementThreshold
CY2012Q4 exc Debt Covenant Minimum Threshold
DebtCovenantMinimumThreshold
2.50 CreditAgreementThreshold
CY2012Q4 exc Long Term Debt Excluding Related Party Debt
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CY2011Q4 exc Long Term Debt Excluding Related Party Debt
LongTermDebtExcludingRelatedPartyDebt
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CY2012Q4 us-gaap Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
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CY2011Q4 us-gaap Debt Instrument Unamortized Discount Premium Net
DebtInstrumentUnamortizedDiscountPremiumNet
32000000 USD
CY2012Q4 exc Unamortized Settled Fair Value Hedge Net
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CY2012Q4 exc Fair Value Carrying Value Adjustment Net
FairValueCarryingValueAdjustmentNet
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CY2011Q4 exc Fair Value Carrying Value Adjustment Net
FairValueCarryingValueAdjustmentNet
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CY2012Q4 us-gaap Other Long Term Debt Current
OtherLongTermDebtCurrent
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CY2011Q4 us-gaap Other Long Term Debt Current
OtherLongTermDebtCurrent
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CY2012Q4 us-gaap Due To Related Parties Current And Noncurrent
DueToRelatedPartiesCurrentAndNoncurrent
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CY2011Q4 us-gaap Due To Related Parties Current And Noncurrent
DueToRelatedPartiesCurrentAndNoncurrent
390000000 USD
CY2012Q4 exc Total Long Term Debt With Adjustments
TotalLongTermDebtWithAdjustments
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CY2012Q4 us-gaap Unsecured Long Term Debt
UnsecuredLongTermDebt
1850000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
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CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
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CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
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CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
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CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
1462000000 USD
CY2012Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
12367000000 USD
CY2012Q4 us-gaap Long Term Debt
LongTermDebt
18945000000 USD
CY2012Q4 exc Previous Aggregate Commitments Of Acquired Entity
PreviousAggregateCommitmentsOfAcquiredEntity
2500000000 USD
CY2012Q4 exc Amended Aggregate Commitments Of Acquired Entity
AmendedAggregateCommitmentsOfAcquiredEntity
1500000000 USD
CY2012Q4 exc Aggregate Bank Commitments Under Amendment
AggregateBankCommitmentsUnderAmendment
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CY2012Q4 exc Letters Of Credit
LettersOfCredit
200000000 USD
CY2012Q4 exc Additional Amounts Available Upon Request Under Current Unsecured Revolving Credit Facilities
AdditionalAmountsAvailableUponRequestUnderCurrentUnsecuredRevolvingCreditFacilities
250000000 USD
CY2012Q4 exc Fair Value Adjustment Outstanding
FairValueAdjustmentOutstanding
199000000 USD
CY2012 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
CY2012Q4 exc Basis Points For Prime Based Borrowings Current
BasisPointsForPrimeBasedBorrowingsCurrent
0.0065 BasisPoints
CY2012Q4 exc Basis Points For Libor Based Borrowings Current
BasisPointsForLiborBasedBorrowingsCurrent
0.0165 BasisPoints
CY2012Q4 exc Long Term Debt Old Notes
LongTermDebtOldNotes
258000000 USD
CY2012 exc Increase In Fair Value Adjustment
IncreaseInFairValueAdjustment
403000000 USD
CY2012 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.011 pure
CY2011 exc Effective Income Tax Rate Reconciliation Nontaxable Postretirement Benefits
EffectiveIncomeTaxRateReconciliationNontaxablePostretirementBenefits
-0.003 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.002 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.003 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.03 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities
EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
-0.012 pure
CY2012 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.349 pure
CY2012 exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
0.054 pure
CY2012 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.002 pure
CY2012 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
-0.036 pure
CY2012 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.011 pure
CY2012 exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
0.001 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
0.009 pure
CY2011 exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
-0.01 pure
CY2011 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.368 pure
CY2011 exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
0.005 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
CY2011 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.044 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.35 pure
CY2010 exc Effective Income Tax Rate Reconciliation Qualified Nuclear Decommissioning Trust Fund Income Losses
EffectiveIncomeTaxRateReconciliationQualifiedNuclearDecommissioningTrustFundIncomeLosses
0.017 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.002 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.001 pure
CY2010 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.393 pure
CY2011 exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
-0.002 pure
CY2010 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Investment
EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment
-0.003 pure
CY2010 exc Effective Income Tax Rate Reconciliation Elimination Of Deductions Medicare Prescription Drug Benefit
EffectiveIncomeTaxRateReconciliationEliminationOfDeductionsMedicarePrescriptionDrugBenefit
0.014 pure
CY2012 us-gaap Effective Income Tax Rate Reconciliation Deductions Other
EffectiveIncomeTaxRateReconciliationDeductionsOther
0.022 pure
CY2012 exc Effective Income Tax Rate Reconciliation Plant Basis Differences
EffectiveIncomeTaxRateReconciliationPlantBasisDifferences
-0.024 pure
CY2012 exc Effective Income Tax Rate Reconciliation Merger Expenses
EffectiveIncomeTaxRateReconciliationMergerExpenses
-0.024 pure
CY2012 exc Effective Income Tax Rate Reconciliation Fines And Penalties
EffectiveIncomeTaxRateReconciliationFinesAndPenalties
-0.026 pure
CY2012Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
10689000000 USD
CY2012Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
392000000 USD
CY2012Q4 exc Deferred Tax Liabilities Deferred Pension And Other Postretirement Benefit Obligation
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-1225000000 USD
CY2012Q4 us-gaap Deferred Tax Liabilities Deferred Expense Deferred Financing Costs
DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
537000000 USD
CY2012Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
25000000 USD
CY2012Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
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CY2012Q4 us-gaap Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
251000000 USD
CY2012Q4 exc Deferred Income Tax Liabilities And Accumulated Deferred Investment Tax Credit
DeferredIncomeTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit
11420000000 USD
CY2011Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
8054000000 USD
CY2011Q4 us-gaap Accumulated Deferred Investment Tax Credit
AccumulatedDeferredInvestmentTaxCredit
200000000 USD
CY2011Q4 exc Deferred Income Tax Liabilities And Accumulated Deferred Investment Tax Credit
DeferredIncomeTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit
8254000000 USD
CY2011Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
7803000000 USD
CY2011Q4 us-gaap Deferred Tax Liabilities Derivatives
DeferredTaxLiabilitiesDerivatives
468000000 USD
CY2011Q4 exc Deferred Tax Liabilities Deferred Pension And Other Postretirement Benefit Obligation
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CY2011Q4 exc Deferred Tax Liabilities Nuclear Decommissioning Activities
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452000000 USD
CY2011Q4 us-gaap Deferred Tax Liabilities Deferred Expense Deferred Financing Costs
DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
37000000 USD
CY2011Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
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CY2012Q4 exc Deferred Tax Liability From Purchase Accounting
DeferredTaxLiabilityFromPurchaseAccounting
389000000 USD
CY2012Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards General Business
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CY2012Q4 us-gaap Deferred Tax Assets Equity Method Investments
DeferredTaxAssetsEquityMethodInvestments
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CY2012Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration
DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
421000000 USD
CY2012Q4 exc Deferred Tax Liabilities Nuclear Decommissioning Activities
DeferredTaxLiabilitiesNuclearDecommissioningActivities
604000000 USD
CY2012Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards State And Local
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3365000000 USD
CY2012Q4 exc Deferred Tax Assets Operating Loss Carryforwards State And Local Deferred Taxes
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocalDeferredTaxes
187000000 USD
CY2012Q4 exc Deferred Tax Assets Operating Loss Carryforwards State And Local Valuation Allowance
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36000000 USD
CY2012 us-gaap Income Tax Credits And Adjustments
IncomeTaxCreditsAndAdjustments
226000000 USD
CY2012Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Domestic
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635000000 USD
CY2012Q4 us-gaap Deferred Tax Assets Capital Loss Carryforwards
DeferredTaxAssetsCapitalLossCarryforwards
178000000 USD
CY2012Q4 exc Deferred Tax Assets Capital Loss Carryforwards State Taxes
DeferredTaxAssetsCapitalLossCarryforwardsStateTaxes
127000000 USD
CY2011Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
807000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
1024000000 USD
CY2010Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
787000000 USD
CY2009Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
1498000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
34000000 USD
CY2012 exc Unrecognized Tax Benefits Increases Decreases Only Affecting Timing
UnrecognizedTaxBenefitsIncreasesDecreasesOnlyAffectingTiming
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CY2012 us-gaap Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
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CY2012 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
7000000 USD
CY2011 exc Unrecognized Tax Benefits Increases Decreases Only Affecting Timing
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21000000 USD
CY2010 exc Unrecognized Tax Benefits Increases Decreases Only Affecting Timing
UnrecognizedTaxBenefitsIncreasesDecreasesOnlyAffectingTiming
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CY2010 us-gaap Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities
UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
452000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
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1000000 USD
CY2011 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
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CY2011 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
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CY2011 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
3000000 USD
CY2010 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
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CY2010 us-gaap Unrecognized Tax Benefits Decreases Resulting From Current Period Tax Positions
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CY2012 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
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CY2010 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
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CY2010 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
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1000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
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CY2012 us-gaap Unrecognized Tax Benefits Increases Resulting From Acquisition
UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition
195000000 USD
CY2012Q4 exc Net Interest Receivable Payable Related To Uncertain Tax Positions
NetInterestReceivablePayableRelatedToUncertainTaxPositions
31000000 USD
CY2011Q4 exc Net Interest Receivable Payable Related To Uncertain Tax Positions
NetInterestReceivablePayableRelatedToUncertainTaxPositions
74000000 USD
CY2012 exc Net Interest Income Expense Related To Uncertain Tax Positions
NetInterestIncomeExpenseRelatedToUncertainTaxPositions
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CY2011 exc Net Interest Income Expense Related To Uncertain Tax Positions
NetInterestIncomeExpenseRelatedToUncertainTaxPositions
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CY2010 exc Net Interest Income Expense Related To Uncertain Tax Positions
NetInterestIncomeExpenseRelatedToUncertainTaxPositions
110000000 USD
CY2012Q4 exc Unrecognized Tax Benefits For Which Timing Of Ultimate Benefits Uncertain
UnrecognizedTaxBenefitsForWhichTimingOfUltimateBenefitsUncertain
730000000 USD
CY2011Q4 exc Unrecognized Tax Benefits For Which Timing Of Ultimate Benefits Uncertain
UnrecognizedTaxBenefitsForWhichTimingOfUltimateBenefitsUncertain
804000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
294000000 USD
CY2011Q4 us-gaap Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
3000000 USD
CY2012Q4 exc Deferred Income Tax Gain On Sale Of Assets
DeferredIncomeTaxGainOnSaleOfAssets
2800000000 USD
CY2012Q4 exc Deferred Income Tax Gain In Voluntary Conversion
DeferredIncomeTaxGainInVoluntaryConversion
1600000000 USD
CY2012Q4 exc Deferred Income Tax Gain Like Kind Exchange
DeferredIncomeTaxGainLikeKindExchange
1200000000 USD
CY2010 exc Remeasurement Interest Expense
RemeasurementInterestExpense
65000000 USD
CY2010 exc Preliminary Settlement Payment To Irs
PreliminarySettlementPaymentToIrs
302000000 USD
CY2012 us-gaap Unrecognized Tax Benefits Income Tax Penalties Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense
86000000 USD
CY2012Q4 exc Income Tax And Penalties From Potential Settle With Taxing Authority
IncomeTaxAndPenaltiesFromPotentialSettleWithTaxingAuthority
860000000 USD
CY2012Q4 exc Income Tax Examination Interest Expense From Potential Settlement With Taxing Authority
IncomeTaxExaminationInterestExpenseFromPotentialSettlementWithTaxingAuthority
320000000 USD
CY2011Q1 exc Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
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22000000 USD
CY2011 exc Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
DeferredStateAndLocalIncomeTaxExpenseBenefitStateTaxApportionment
1000000 USD
CY2012 exc Electric Transmission Distribution Property Repairs Deduction Cash Benefit Detriment
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300000000 USD
CY2012Q4 us-gaap Unrecognized Tax Benefits Interest On Income Taxes Accrued
UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
270000000 USD
CY2012Q1 exc Gross Deferred State And Local Income Tax Expense Liability State Tax Apportionment
GrossDeferredStateAndLocalIncomeTaxExpenseLiabilityStateTaxApportionment
72000000 USD
CY2012Q1 exc Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
DeferredStateAndLocalIncomeTaxExpenseBenefitStateTaxApportionment
116000000 USD
CY2012Q1 exc Deferred State Tax Liability From Purchase Accounting
DeferredStateTaxLiabilityFromPurchaseAccounting
44000000 USD
CY2012Q4 exc Deferred State And Local Income Tax Expense Benefit State Tax Apportionment
DeferredStateAndLocalIncomeTaxExpenseBenefitStateTaxApportionment
3000000 USD
exc Repair Costs Income Tax
RepairCostsIncomeTax
26000000 USD
CY2012Q4 exc Unrecognized Tax Benefits Due To Method Of Accounting Change
UnrecognizedTaxBenefitsDueToMethodOfAccountingChange
107000000 USD
CY2012Q4 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
10000000 USD
CY2011Q4 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
5000000 USD
CY2012Q4 exc Payable To Thirdparty To Decommission Nuclear Plant Funded By Pledged Assets
PayableToThirdpartyToDecommissionNuclearPlantFundedByPledgedAssets
564000000 USD
CY2012Q4 exc Current Portion Of Payable To Thirdparty To Decommission Nuclear Plant Funded By Pledged Assets
CurrentPortionOfPayableToThirdpartyToDecommissionNuclearPlantFundedByPledgedAssets
132000000 USD
CY2012 exc Withdrawal From Nuclear Decommissioning Funds
WithdrawalFromNuclearDecommissioningFunds
192000000 USD
CY2011 exc Withdrawal From Nuclear Decommissioning Funds
WithdrawalFromNuclearDecommissioningFunds
143000000 USD
CY2011Q4 exc Payable To Thirdparty To Decommission Nuclear Plant Funded By Pledged Assets
PayableToThirdpartyToDecommissionNuclearPlantFundedByPledgedAssets
691000000 USD
CY2011Q4 exc Current Portion Of Payable To Thirdparty To Decommission Nuclear Plant Funded By Pledged Assets
CurrentPortionOfPayableToThirdpartyToDecommissionNuclearPlantFundedByPledgedAssets
128000000 USD
CY2012 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
386000000 USD
CY2011 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
-74000000 USD
CY2010 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
294000000 USD
CY2012 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
105000000 USD
CY2011 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
-4000000 USD
CY2010 exc Unrealized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
104000000 USD
CY2011 exc Unrealized Gain Loss Investment Income Zion Station Pledged Assets
UnrealizedGainLossInvestmentIncomeZionStationPledgedAssets
48000000 USD
CY2012 exc Unrealized Gain Loss Investment Income Zion Station Pledged Assets
UnrealizedGainLossInvestmentIncomeZionStationPledgedAssets
73000000 USD
CY2012Q4 exc Net Adjustment To Nuclear Asset Retirement Obligation
NetAdjustmentToNuclearAssetRetirementObligation
1061000000 USD
CY2011Q4 exc Net Adjustment To Nuclear Asset Retirement Obligation
NetAdjustmentToNuclearAssetRetirementObligation
404000000 USD
CY2012 exc Pre Tax Income Loss Recognized From Nuclear Asset Retirement Obligation Adjustment
PreTaxIncomeLossRecognizedFromNuclearAssetRetirementObligationAdjustment
-10000000 USD
CY2011 exc Pre Tax Income Loss Recognized From Nuclear Asset Retirement Obligation Adjustment
PreTaxIncomeLossRecognizedFromNuclearAssetRetirementObligationAdjustment
-28000000 USD
CY2012Q4 exc Spent Nuclear Fuel Obligation Zionsolutions
SpentNuclearFuelObligationZionsolutions
79000000 USD
CY2011Q4 exc Spent Nuclear Fuel Obligation Zionsolutions
SpentNuclearFuelObligationZionsolutions
65000000 USD
CY2012Q4 us-gaap Accrued Rent Current And Noncurrent
AccruedRentCurrentAndNoncurrent
1 USD
CY2012 exc Proceeds From Regulated Rates For Decommissioning Costs
ProceedsFromRegulatedRatesForDecommissioningCosts
24000000 USD
CY2012Q4 exc Decommissioning Shortfall
DecommissioningShortfall
50000000 USD
CY2012Q4 exc Decommissioning Shortfall Percentage
DecommissioningShortfallPercentage
0.05 pure
CY2012 exc Nuclear Decommissioning Trust Fund Equity Percent
NuclearDecommissioningTrustFundEquityPercent
0.47 pure
CY2012 exc Nuclear Decommissioning Trust Fund Fixed Income Securities Percent
NuclearDecommissioningTrustFundFixedIncomeSecuritiesPercent
0.53 pure
CY2011 exc Nuclear Decommissioning Trust Fund Fixed Income Securities Percent
NuclearDecommissioningTrustFundFixedIncomeSecuritiesPercent
0.52 pure
CY2011 exc Nuclear Decommissioning Trust Fund Equity Percent
NuclearDecommissioningTrustFundEquityPercent
0.48 pure
CY2012 exc Annual After Tax Return On Nuclear Decommissioning Fund
AnnualAfterTaxReturnOnNuclearDecommissioningFund
0.02 pure
CY2012 exc Annual After Tax Return On Nuclear Decommissioning Fund Former Peco Units
AnnualAfterTaxReturnOnNuclearDecommissioningFundFormerPecoUnits
0.03 pure
CY2012 exc Annual Average Asset Retirement Obligation Accretion Percent
AnnualAverageAssetRetirementObligationAccretionPercent
0.05 pure
CY2012 exc Annual Average After Tax Return Nuclear Decommissioning Funds Historical
AnnualAverageAfterTaxReturnNuclearDecommissioningFundsHistorical
0.036 pure
CY2012 exc Number Of Years Used In Present Value Measurement
NumberOfYearsUsedInPresentValueMeasurement
P30Y
CY2012Q4 exc Letter Of Credit Used To Fund Decommissioning Costs If Ndt Assets Are Insufficient
LetterOfCreditUsedToFundDecommissioningCostsIfNdtAssetsAreInsufficient
200000000 USD
CY2011 exc Benefits Paid Net
BenefitsPaidNet
-189000000 USD
CY2012 exc Defined Benefit Plan Business Combinations Acquisitions And Divestitures Benefit Obligation
DefinedBenefitPlanBusinessCombinationsAcquisitionsAndDivestituresBenefitObligation
362000000 USD
CY2012 us-gaap Defined Benefit Plan Settlements Benefit Obligation
DefinedBenefitPlanSettlementsBenefitObligation
-169000000 USD
CY2012 exc Reinsurance Proceeds Received
ReinsuranceProceedsReceived
1300000 USD
CY2012 us-gaap Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation
845000000 USD
CY2012 us-gaap Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1
-56000000 USD
CY2012 us-gaap Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1
DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1
-569000000 USD
CY2012 exc Deferred Federal Income Tax Expense Federally Subsidized Healthcare Costs
DeferredFederalIncomeTaxExpenseFederallySubsidizedHealthcareCosts
65000000 USD
CY2012Q4 exc Excise Tax On High Cost Benefit Plans
ExciseTaxOnHighCostBenefitPlans
0.4 pure
CY2012 us-gaap Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost1
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCost1
-17000000 USD
CY2011 us-gaap Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost1
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCost1
28000000 USD
CY2010 us-gaap Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost1
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCost1
38000000 USD
CY2012Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Amortization Of Actuarial Experience Gain Loss
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostAmortizationOfActuarialExperienceGainLoss
-17000000 USD
CY2011Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Amortization Of Actuarial Experience Gain Loss
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostAmortizationOfActuarialExperienceGainLoss
3000000 USD
CY2010Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Amortization Of Actuarial Experience Gain Loss
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostAmortizationOfActuarialExperienceGainLoss
9000000 USD
CY2012Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Service Cost
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInServiceCost
0 USD
CY2011Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Service Cost
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInServiceCost
9000000 USD
CY2010Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Service Cost
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInServiceCost
10000000 USD
CY2012Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Interest Cost On Accumulated Postretirement Benefit Obligation
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInInterestCostOnAccumulatedPostretirementBenefitObligation
0 USD
CY2011Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Interest Cost On Accumulated Postretirement Benefit Obligation
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInInterestCostOnAccumulatedPostretirementBenefitObligation
16000000 USD
CY2010Q4 exc Prescription Drug Benefit Effect Of Subsidy On Net Periodic Postretirement Benefit Cost Reduction In Interest Cost On Accumulated Postretirement Benefit Obligation
PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCostReductionInInterestCostOnAccumulatedPostretirementBenefitObligation
19000000 USD
CY2012Q4 exc Defined Benefit Plan Accumulated Other Comprehensive Income Settlements Before Tax
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeSettlementsBeforeTax
-31000000 USD
CY2012 us-gaap Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components
DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents
81000000 USD
CY2012 exc Federal Subsidy Payments Received Not Included In Contributions
FederalSubsidyPaymentsReceivedNotIncludedInContributions
10000000 USD
CY2011 exc Federal Subsidy Payments Received Not Included In Contributions
FederalSubsidyPaymentsReceivedNotIncludedInContributions
11000000 USD
CY2010 exc Federal Subsidy Payments Received Not Included In Contributions
FederalSubsidyPaymentsReceivedNotIncludedInContributions
10000000 USD
CY2010 exc Share Based Compensation Income Tax Benefit
ShareBasedCompensationIncomeTaxBenefit
16000000 USD
CY2010 exc Share Based Compensation Components Total In Expense After Tax
ShareBasedCompensationComponentsTotalInExpenseAfterTax
25000000 USD
CY2012 exc Share Based Compensation Components Total In Expense Pre Tax
ShareBasedCompensationComponentsTotalInExpensePreTax
115000000 USD
CY2011 exc Share Based Compensation Components Total In Expense Pre Tax
ShareBasedCompensationComponentsTotalInExpensePreTax
69000000 USD
CY2010 exc Share Based Compensation Components Total In Expense Pre Tax
ShareBasedCompensationComponentsTotalInExpensePreTax
41000000 USD
CY2012 exc Pension And Other Postretirement Benefit Expense Included In Capital And Operating And Maintenance Expense
PensionAndOtherPostretirementBenefitExpenseIncludedInCapitalAndOperatingAndMaintenanceExpense
820000000 USD
CY2011 exc Pension And Other Postretirement Benefit Expense Included In Capital And Operating And Maintenance Expense
PensionAndOtherPostretirementBenefitExpenseIncludedInCapitalAndOperatingAndMaintenanceExpense
542000000 USD
CY2010 exc Pension And Other Postretirement Benefit Expense Included In Capital And Operating And Maintenance Expense
PensionAndOtherPostretirementBenefitExpenseIncludedInCapitalAndOperatingAndMaintenanceExpense
581000000 USD
CY2012Q4 us-gaap Defined Benefit Plan Weighted Average Asset Allocations
DefinedBenefitPlanWeightedAverageAssetAllocations
0.4 pure
CY2011 us-gaap Defined Benefit Plan Target Plan Asset Allocations
DefinedBenefitPlanTargetPlanAssetAllocations
0.32 pure
CY2012Q4 us-gaap Securities Loaned
SecuritiesLoaned
17000000 USD
CY2012Q4 exc Collateral For Borrowed Securities Fair Value
CollateralForBorrowedSecuritiesFairValue
17000000 USD
CY2012Q4 exc Fair Value Assets Measured On Recurring Basis Pension Plan And Postretirement Benefit Plan Total
FairValueAssetsMeasuredOnRecurringBasisPensionPlanAndPostretirementBenefitPlanTotal
15411000000 USD
CY2011Q4 exc Fair Value Assets Measured On Recurring Basis Pension Plan And Postretirement Benefit Plan Total
FairValueAssetsMeasuredOnRecurringBasisPensionPlanAndPostretirementBenefitPlanTotal
12986000000 USD
CY2012Q4 exc Mutual Funds Equity Security
MutualFundsEquitySecurity
4000000 USD
CY2011Q4 exc Individually Held Equity Securities
IndividuallyHeldEquitySecurities
1985000000 USD
CY2011Q4 exc Fair Value Assets Measured On Recurring Basis Real Estate
FairValueAssetsMeasuredOnRecurringBasisRealEstate
125000000 USD
CY2012 us-gaap Defined Benefit Plan Transfers Between Measurement Levels
DefinedBenefitPlanTransfersBetweenMeasurementLevels
-188000000 USD
CY2012 exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
67000000 USD
CY2011 exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
78000000 USD
CY2010 exc Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
81000000 USD
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.000296 pure
CY2012 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P6Y3M1D
CY2012Q4 us-gaap Temporary Equity Shares Outstanding
TemporaryEquitySharesOutstanding
874720 shares
CY2011Q4 us-gaap Temporary Equity Shares Outstanding
TemporaryEquitySharesOutstanding
874720 shares
CY2012Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
1900000 shares
CY2012Q4 us-gaap Preferred Stock Value Outstanding
PreferredStockValueOutstanding
190000000 USD
CY2012 exc Share Based Compensation Components Performance Shares
ShareBasedCompensationComponentsPerformanceShares
46000000 USD
CY2012 exc Share Based Compensation Components Stock Options
ShareBasedCompensationComponentsStockOptions
15000000 USD
CY2012 exc Share Based Compensation Components Restricted Stock
ShareBasedCompensationComponentsRestrictedStock
50000000 USD
CY2012 exc Share Based Compensation Components Other Stock Based Awards
ShareBasedCompensationComponentsOtherStockBasedAwards
4000000 USD
CY2012 exc Share Based Compensation Components Total In Operating And Maintenance Pre Tax
ShareBasedCompensationComponentsTotalInOperatingAndMaintenancePreTax
115000000 USD
CY2012 exc Share Based Compensation Income Tax Benefit
ShareBasedCompensationIncomeTaxBenefit
44000000 USD
CY2012 exc Share Based Compensation Components Total In Expense After Tax
ShareBasedCompensationComponentsTotalInExpenseAfterTax
71000000 USD
CY2011 exc Share Based Compensation Components Performance Shares
ShareBasedCompensationComponentsPerformanceShares
26000000 USD
CY2011 exc Share Based Compensation Components Stock Options
ShareBasedCompensationComponentsStockOptions
8000000 USD
CY2011 exc Share Based Compensation Components Restricted Stock
ShareBasedCompensationComponentsRestrictedStock
31000000 USD
CY2011 exc Share Based Compensation Components Other Stock Based Awards
ShareBasedCompensationComponentsOtherStockBasedAwards
4000000 USD
CY2011 exc Share Based Compensation Components Total In Operating And Maintenance Pre Tax
ShareBasedCompensationComponentsTotalInOperatingAndMaintenancePreTax
69000000 USD
CY2011 exc Share Based Compensation Income Tax Benefit
ShareBasedCompensationIncomeTaxBenefit
27000000 USD
CY2011 exc Share Based Compensation Components Total In Expense After Tax
ShareBasedCompensationComponentsTotalInExpenseAfterTax
42000000 USD
CY2010 exc Share Based Compensation Components Performance Shares
ShareBasedCompensationComponentsPerformanceShares
6000000 USD
CY2010 exc Share Based Compensation Components Stock Options
ShareBasedCompensationComponentsStockOptions
10000000 USD
CY2010 exc Share Based Compensation Components Restricted Stock
ShareBasedCompensationComponentsRestrictedStock
21000000 USD
CY2010 exc Share Based Compensation Components Other Stock Based Awards
ShareBasedCompensationComponentsOtherStockBasedAwards
4000000 USD
CY2010 exc Share Based Compensation Components Total In Operating And Maintenance Pre Tax
ShareBasedCompensationComponentsTotalInOperatingAndMaintenancePreTax
41000000 USD
CY2012 us-gaap Tax Benefit From Stock Options Exercised1
TaxBenefitFromStockOptionsExercised1
3000000 USD
CY2012Q4 exc Tax Benefit From Restricted Stock Units Distributed
TaxBenefitFromRestrictedStockUnitsDistributed
11000000 USD
CY2012Q4 exc Tax Benefit From Performance Share Awards Distributed
TaxBenefitFromPerformanceShareAwardsDistributed
7000000 USD
CY2012Q4 exc Tax Benefit From Stock Deferral Plan
TaxBenefitFromStockDeferralPlan
0 USD
CY2012Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Options
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockOptions
2000000 USD
CY2012Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Restricted Stock Units
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsRestrictedStockUnits
0 USD
CY2012Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Performance Share Awards
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsPerformanceShareAwards
0 USD
CY2012Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Deferral Plan
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockDeferralPlan
0 USD
CY2011 us-gaap Tax Benefit From Stock Options Exercised1
TaxBenefitFromStockOptionsExercised1
2000000 USD
CY2011Q4 exc Tax Benefit From Restricted Stock Units Distributed
TaxBenefitFromRestrictedStockUnitsDistributed
8000000 USD
CY2011Q4 exc Tax Benefit From Performance Share Awards Distributed
TaxBenefitFromPerformanceShareAwardsDistributed
7000000 USD
CY2011Q4 exc Tax Benefit From Stock Deferral Plan
TaxBenefitFromStockDeferralPlan
1000000 USD
CY2011Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Options
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockOptions
1000000 USD
CY2011Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Restricted Stock Units
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsRestrictedStockUnits
0 USD
CY2011Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Performance Share Awards
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsPerformanceShareAwards
0 USD
CY2011Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Deferral Plan
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockDeferralPlan
0 USD
CY2010 us-gaap Tax Benefit From Stock Options Exercised1
TaxBenefitFromStockOptionsExercised1
5000000 USD
CY2010Q4 exc Tax Benefit From Restricted Stock Units Distributed
TaxBenefitFromRestrictedStockUnitsDistributed
9000000 USD
CY2010Q4 exc Tax Benefit From Performance Share Awards Distributed
TaxBenefitFromPerformanceShareAwardsDistributed
13000000 USD
CY2010Q4 exc Tax Benefit From Stock Deferral Plan
TaxBenefitFromStockDeferralPlan
1000000 USD
CY2010Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Options
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockOptions
3000000 USD
CY2010Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Restricted Stock Units
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsRestrictedStockUnits
0 USD
CY2010Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Performance Share Awards
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsPerformanceShareAwards
0 USD
CY2010Q4 exc Excess Tax Benefits Included In Other Financing Activities In Cash Flows Stock Deferral Plan
ExcessTaxBenefitsIncludedInOtherFinancingActivitiesInCashFlowsStockDeferralPlan
0 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
4.18
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
6.22
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
8.08
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.000528 pure
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.000484 pure
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0.000456 pure
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
0.00232 pure
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
0.00244 pure
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
0.00271 pure
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.00013 pure
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
0.000265 pure
CY2011 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P6Y3M1D
CY2010 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
P6Y3M1D
CY2012 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
-1776041 shares
CY2012Q4 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
13000000 USD
CY2012 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
19000000 USD
CY2012 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
47000000 USD
CY2011 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
13000000 USD
CY2010 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
13000000 USD
CY2010 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
24000000 USD
CY2011 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
5000000 USD
CY2012 exc Stock Based Compensation Other Than Options Converted Acquiree
StockBasedCompensationOtherThanOptionsConvertedAcquiree
11194151 shares
CY2010Q4 exc Performance Share Awards Weighted Average Grand Date Fair Value
PerformanceShareAwardsWeightedAverageGrandDateFairValue
60.82 USD
CY2012 exc Fair Value Of Settled Performance Share Awards
FairValueOfSettledPerformanceShareAwards
23000000 USD
CY2011 exc Fair Value Of Settled Performance Share Awards
FairValueOfSettledPerformanceShareAwards
22000000 USD
CY2010 exc Fair Value Of Settled Performance Share Awards
FairValueOfSettledPerformanceShareAwards
32000000 USD
CY2010 exc Performance Share Awards Obligations To Be Settled In Cash
PerformanceShareAwardsObligationsToBeSettledInCash
20000000 USD
CY2011 exc Performance Share Awards Obligations To Be Settled In Cash
PerformanceShareAwardsObligationsToBeSettledInCash
10000000 USD
CY2011 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
9000000 shares
CY2010 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
8000000 shares
CY2012Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Current Liabilities
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledCurrentLiabilities
7000000 USD
CY2012Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Deferred Credits And Other Liabilities
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledDeferredCreditsAndOtherLiabilities
11000000 USD
CY2012Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Common Stock
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledCommonStock
35000000 USD
CY2012Q4 exc Total Balance Sheet Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled
TotalBalanceSheetClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettled
53000000 USD
CY2011Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Current Liabilities
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledCurrentLiabilities
3000000 USD
CY2011Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Deferred Credits And Other Liabilities
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledDeferredCreditsAndOtherLiabilities
0 USD
CY2011Q4 exc Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled Common Stock
ClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettledCommonStock
30000000 USD
CY2011Q4 exc Total Balance Sheet Classification Of Obligations Related To Outstanding Performance Share Awards Not Yet Settled
TotalBalanceSheetClassificationOfObligationsRelatedToOutstandingPerformanceShareAwardsNotYetSettled
33000000 USD
CY2011Q4 exc Common Stock Par Shares Authorized
CommonStockParSharesAuthorized
250000000 shares
CY2012Q4 exc Common Stock Shares Reserved For Warrant Conversion
CommonStockSharesReservedForWarrantConversion
24727 shares
CY2012Q4 exc Approved Common Stock Shares For Repurchased Under Third Quarter Two Thousand Eight Repurchase Plan
ApprovedCommonStockSharesForRepurchasedUnderThirdQuarterTwoThousandEightRepurchasePlan
1500000000 USD
CY2012Q4 exc Share Based Compensation Shares Authorized Under Ltip Plans
ShareBasedCompensationSharesAuthorizedUnderLtipPlans
20000000 shares
CY2011Q4 exc Fully Vested Stock Based Compensation Issued To Retirement Eligible Employees
FullyVestedStockBasedCompensationIssuedToRetirementEligibleEmployees
448827 shares
CY2011Q4 exc Stock Based Compensation Issued To Retirement Eligible Employees That Vested Immediately On Date Of Grant
StockBasedCompensationIssuedToRetirementEligibleEmployeesThatVestedImmediatelyOnDateOfGrant
1348000 shares
CY2012Q4 exc Unrecognized Compensation Costs Related To Nonvested Stock Options
UnrecognizedCompensationCostsRelatedToNonvestedStockOptions
6000000 USD
CY2012Q4 exc Restricted Stock Units Weighted Average Grand Date Fair Value
RestrictedStockUnitsWeightedAverageGrandDateFairValue
39.94 USD
CY2011Q4 exc Restricted Stock Units Weighted Average Grand Date Fair Value
RestrictedStockUnitsWeightedAverageGrandDateFairValue
43.33 USD
CY2010Q4 exc Restricted Stock Units Weighted Average Grand Date Fair Value
RestrictedStockUnitsWeightedAverageGrandDateFairValue
44.23 USD
CY2012Q2 exc Restricted Stock Units Obligations Not Yet Settled
RestrictedStockUnitsObligationsNotYetSettled
58000000 USD
CY2011Q4 exc Restricted Stock Units Obligations Not Yet Settled
RestrictedStockUnitsObligationsNotYetSettled
46000000 USD
CY2012 exc Fair Value Of Settled Restricted Stock Units
FairValueOfSettledRestrictedStockUnits
25000000 USD
CY2011 exc Fair Value Of Settled Restricted Stock Units
FairValueOfSettledRestrictedStockUnits
19000000 USD
CY2010 exc Fair Value Of Settled Restricted Stock Units
FairValueOfSettledRestrictedStockUnits
22000000 USD
CY2012Q4 exc Restricted Stock Units Obligations To Be Settled In Cash
RestrictedStockUnitsObligationsToBeSettledInCash
43000000 USD
CY2012Q4 exc Performance Share Awards Weighted Average Grand Date Fair Value
PerformanceShareAwardsWeightedAverageGrandDateFairValue
39.71 USD
CY2011Q4 exc Performance Share Awards Weighted Average Grand Date Fair Value
PerformanceShareAwardsWeightedAverageGrandDateFairValue
43.52 USD
CY2012 exc Performance Share Awards Obligations To Be Settled In Cash
PerformanceShareAwardsObligationsToBeSettledInCash
3000000 USD
CY2012Q4 exc Unrecognized Compensation Costs Related To Nonvested Performance Share Awards
UnrecognizedCompensationCostsRelatedToNonvestedPerformanceShareAwards
9000000 USD
CY2012Q4 exc Weighted Average Period Non Vested Performance Share Awards Are Expected To Be Recognized Over
WeightedAveragePeriodNonVestedPerformanceShareAwardsAreExpectedToBeRecognizedOver
P1Y11M
CY2012Q4 exc Weighted Average Period Non Vested Stock Options Are Expected To Be Recognized Over
WeightedAveragePeriodNonVestedStockOptionsAreExpectedToBeRecognizedOver
P2Y5M
CY2012 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
USD
CY2012 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
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CY2011 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
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CY2010 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
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CY2010 us-gaap Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
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CY2012 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
3000000 shares
CY2011 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
2000000 shares
CY2010 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
2000000 shares
CY2011 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
USD
CY2012 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
14000000 shares
CY2012Q4 exc Minimum Ghg Emissions Required For Eligibility For Stationary Source Permitting
MinimumGhgEmissionsRequiredForEligibilityForStationarySourcePermitting
75000 Tons
CY2012Q4 exc Minimum Additional Ghg Emissions Required For Eligibility For Stationary Source Permitting After Modifications
MinimumAdditionalGhgEmissionsRequiredForEligibilityForStationarySourcePermittingAfterModifications
100000 Tons
CY2012Q4 exc Asbestos Loss Contingency Accrual At Carrying Value Related To Open Claims
AsbestosLossContingencyAccrualAtCarryingValueRelatedToOpenClaims
14000000 USD
CY2012Q4 exc Open Asbestos Related Personal Injury Claims
OpenAsbestosRelatedPersonalInjuryClaims
170 OpenClaims
CY2012Q4 exc Asbestos Loss Contingency Accrual At Carrying Value Related To Anticipated Claims
AsbestosLossContingencyAccrualAtCarryingValueRelatedToAnticipatedClaims
49000000 USD
CY2010Q4 us-gaap Guarantee Obligations Maximum Exposure
GuaranteeObligationsMaximumExposure
200000000 USD
CY2007Q4 us-gaap Accrual For Environmental Loss Contingencies Component Amount
AccrualForEnvironmentalLossContingenciesComponentAmount
23000000 USD
CY2012Q4 us-gaap Accrual For Environmental Loss Contingencies Component Amount
AccrualForEnvironmentalLossContingenciesComponentAmount
3000000 USD
CY2007Q4 exc Consent Decree Penalty
ConsentDecreePenalty
1000000 USD
CY2012 exc Minimum Wattage Subject To New Source Performance Standards
MinimumWattageSubjectToNewSourcePerformanceStandards
25 MW
CY2012 exc New Source Performance Standards Emissions Limit
NewSourcePerformanceStandardsEmissionsLimit
1000 PoundsPerMWh
CY2012 exc New Source Performance Standard Emissions Limit First Ten Years
NewSourcePerformanceStandardEmissionsLimitFirstTenYears
1800 PoundsPerMWh
CY2012 exc New Source Performance Standard Emissions Limit After Ten Years
NewSourcePerformanceStandardEmissionsLimitAfterTenYears
600 PoundsPerMWh
CY2012 exc Number Of States In Pjm
NumberOfStatesInPjm
13 States
CY2012 exc Number Of Grid Operators In New York Iso
NumberOfGridOperatorsInNewYorkIso
6 NumberOfGridOperators
CY2012Q4 exc Guarantee Obligations Maximum Exposure Next Twelve Months
GuaranteeObligationsMaximumExposureNextTwelveMonths
11194000000 USD
CY2012Q4 exc Guarantee Obligations Maximum Exposure Year Two
GuaranteeObligationsMaximumExposureYearTwo
203000000 USD
CY2012Q4 exc Guarantee Obligations Maximum Exposure Year Three
GuaranteeObligationsMaximumExposureYearThree
565000000 USD
CY2012Q4 exc Guarantee Obligations Maximum Exposure Year Four
GuaranteeObligationsMaximumExposureYearFour
6000000 USD
CY2012Q4 exc Guarantee Obligations Maximum Exposure Year Five
GuaranteeObligationsMaximumExposureYearFive
4000000 USD
CY2012Q4 exc Guarantee Obligations Maximum Exposure Year Six And Beyond
GuaranteeObligationsMaximumExposureYearSixAndBeyond
3378000000 USD
CY2012Q4 us-gaap Guarantee Obligations Maximum Exposure
GuaranteeObligationsMaximumExposure
15350000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
88000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
83000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
73000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
69000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
63000000 USD
CY2012Q4 exc Operating Leases Future Minimum Payments Due Beyond Five Years
OperatingLeasesFutureMinimumPaymentsDueBeyondFiveYears
488000000 USD
CY2012Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
864000000 USD
CY2012 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
930000000 USD
CY2011 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
711000000 USD
CY2010 us-gaap Lease And Rental Expense
LeaseAndRentalExpense
722000000 USD
CY2010 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
51000000 USD
CY2012 exc Utility Taxes
UtilityTaxes
463000000 USD
CY2012 us-gaap Real Estate Tax Expense
RealEstateTaxExpense
227000000 USD
CY2012 us-gaap Other Labor Related Expenses
OtherLaborRelatedExpenses
131000000 USD
CY2012 us-gaap Taxes Other
TaxesOther
198000000 USD
CY2011 exc Utility Taxes
UtilityTaxes
443000000 USD
CY2011 us-gaap Real Estate Tax Expense
RealEstateTaxExpense
177000000 USD
CY2011 us-gaap Other Labor Related Expenses
OtherLaborRelatedExpenses
123000000 USD
CY2011 us-gaap Taxes Other
TaxesOther
42000000 USD
CY2010 exc Utility Taxes
UtilityTaxes
476000000 USD
CY2010 us-gaap Real Estate Tax Expense
RealEstateTaxExpense
175000000 USD
CY2010 us-gaap Other Labor Related Expenses
OtherLaborRelatedExpenses
121000000 USD
CY2010 us-gaap Taxes Other
TaxesOther
36000000 USD
CY2012 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
189000000 USD
CY2012 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
102000000 USD
CY2012 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
386000000 USD
CY2012 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
105000000 USD
CY2012 exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
530000000 USD
CY2012 exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
325000000 USD
CY2012 us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
29000000 USD
CY2012 exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
15000000 USD
CY2012 us-gaap Investment Income Interest
InvestmentIncomeInterest
20000000 USD
CY2012 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
25000000 USD
CY2012 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
17000000 USD
CY2012 exc Net Unrealized Gain Loss On Pledged Assets
NetUnrealizedGainLossOnPledgedAssets
73000000 USD
CY2012 us-gaap Loss On Contract Termination
LossOnContractTermination
-85000000 USD
CY2011 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
177000000 USD
CY2011 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Nonregulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsNonregulatoryAccounting
45000000 USD
CY2011 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
-74000000 USD
CY2011 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
-4000000 USD
CY2011 exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
-130000000 USD
CY2011 exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
62000000 USD
CY2011 us-gaap Investment Income Interest
InvestmentIncomeInterest
10000000 USD
CY2011 us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
28000000 USD
CY2011 exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
53000000 USD
CY2012 us-gaap Depreciation
Depreciation
1712000000 USD
CY2012 us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
129000000 USD
CY2011 us-gaap Impairment Of Investments
ImpairmentOfInvestments
0 USD
CY2011 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
36000000 USD
CY2011 us-gaap Realized Investment Gains Losses
RealizedInvestmentGainsLosses
0 USD
CY2011 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
-3000000 USD
CY2011 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
17000000 USD
CY2010 exc Realized Gain Loss Investment Income Nuclear Decommissioning Trust Funds Regulatory Accounting
RealizedGainLossInvestmentIncomeNuclearDecommissioningTrustFundsRegulatoryAccounting
176000000 USD
CY2010 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Regulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsRegulatoryAccounting
316000000 USD
CY2010 exc Unrealized Gain Loss Nuclear Decommissioning Trust Funds Nonregulatory Accounting
UnrealizedGainLossNuclearDecommissioningTrustFundsNonregulatoryAccounting
104000000 USD
CY2010 exc Regulatory Offset Nuclear Decommissioning Trust Fund Activity
RegulatoryOffsetNuclearDecommissioningTrustFundActivity
394000000 USD
CY2010 exc Gain Loss Investment Income Nuclear Decommissioning Trust Funds
GainLossInvestmentIncomeNuclearDecommissioningTrustFunds
253000000 USD
CY2010 us-gaap Investment Income Interest
InvestmentIncomeInterest
1000000 USD
CY2010 us-gaap Capital Leases Income Statement Direct Financing Lease Revenue
CapitalLeasesIncomeStatementDirectFinancingLeaseRevenue
27000000 USD
CY2010 exc Unrecognized Tax Benefits Interest Income
UnrecognizedTaxBenefitsInterestIncome
0 USD
CY2010 us-gaap Gain Loss On Contract Termination
GainLossOnContractTermination
0 USD
CY2010 us-gaap Realized Investment Gains Losses
RealizedInvestmentGainsLosses
1000000 USD
CY2010 us-gaap Impairment Of Investments
ImpairmentOfInvestments
0 USD
CY2010 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
0 USD
CY2010 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
19000000 USD
CY2010 us-gaap Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity
PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
11000000 USD
CY2012 exc Nuclear Fuel Amortization
NuclearFuelAmortization
848000000 USD
CY2012 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
240000000 USD
CY2012 exc Amortization Of Intangible Assets Net
AmortizationOfIntangibleAssetsNet
40000000 USD
CY2012 exc Energy Contract Amortization
EnergyContractAmortization
1110000000 USD
CY2011 us-gaap Depreciation
Depreciation
1284000000 USD
CY2011 us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
63000000 USD
CY2011 exc Nuclear Fuel Amortization
NuclearFuelAmortization
755000000 USD
CY2011 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
214000000 USD
CY2010 us-gaap Depreciation
Depreciation
1144000000 USD
CY2010 us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
931000000 USD
CY2010 exc Nuclear Fuel Amortization
NuclearFuelAmortization
672000000 USD
CY2010 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
196000000 USD
CY2012 us-gaap Interest Paid Net
InterestPaidNet
761000000 USD
CY2012 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
-171000000 USD
CY2012 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
820000000 USD
CY2012 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
164000000 USD
CY2012 us-gaap Inventory Write Down
InventoryWriteDown
6000000 USD
CY2012 us-gaap Share Based Compensation
ShareBasedCompensation
94000000 USD
CY2012 exc Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
145000000 USD
CY2012 exc Energy Related Options
EnergyRelatedOptions
160000000 USD
CY2012 exc Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
18000000 USD
CY2012 exc Amortization Rate Stabilization Deferral
AmortizationRateStabilizationDeferral
57000000 USD
CY2012 exc Amortization Of Debt Fair Value Adjustment
AmortizationOfDebtFairValueAdjustment
34000000 USD
CY2012 us-gaap Noncash Merger Related Costs
NoncashMergerRelatedCosts
-141000000 USD
CY2012 us-gaap Severance Costs
SeveranceCosts
-99000000 USD
CY2012 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
-91000000 USD
CY2012 exc Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
-11000000 USD
CY2012 us-gaap Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
-1383000000 USD
CY2012 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
-71000000 USD
CY2012 exc Other Regulatory Assets And Liabilities
OtherRegulatoryAssetsAndLiabilities
-404000000 USD
CY2012 exc Increase Decrease In Other Current Operating Assets And Liabilities
IncreaseDecreaseInOtherCurrentOperatingAssetsAndLiabilities
-213000000 USD
CY2012 exc Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
248000000 USD
CY2012 exc Impacts Energy Infrastructure Modernization Act
ImpactsEnergyInfrastructureModernizationAct
-96000000 USD
CY2012 exc Amortization Of Debt Costs
AmortizationOfDebtCosts
-19000000 USD
CY2012 exc Capitalized Costs Incurred Asset Retirement Obligation
CapitalizedCostsIncurredAssetRetirementObligation
781000000 USD
CY2012 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
160000000 USD
CY2012 us-gaap Stock Issued1
StockIssued1
7365000000 USD
CY2011 exc Impacts Two Thousand Ten Rate Case
ImpactsTwoThousandTenRateCase
-32000000 USD
CY2011 us-gaap Interest Paid Net
InterestPaidNet
649000000 USD
CY2011 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
-457000000 USD
CY2011 exc Impacts Energy Infrastructure Modernization Act
ImpactsEnergyInfrastructureModernizationAct
-82000000 USD
CY2011 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
542000000 USD
CY2011 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
121000000 USD
CY2011 us-gaap Share Based Compensation
ShareBasedCompensation
67000000 USD
CY2011 exc Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
-16000000 USD
CY2011 exc Energy Related Options
EnergyRelatedOptions
137000000 USD
CY2011 exc Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
21000000 USD
CY2011 exc Inventory Adjustments During Period
InventoryAdjustmentsDuringPeriod
0 USD
CY2011 exc Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
2000000 USD
CY2011 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
45000000 USD
CY2011 exc Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
-122000000 USD
CY2011 exc Asset Retirement Obligation Reduction
AssetRetirementObligationReduction
0 USD
CY2011 exc Amortization Rate Stabilization Deferral
AmortizationRateStabilizationDeferral
57000000 USD
CY2011 exc Capitalized Costs Incurred Asset Retirement Obligation
CapitalizedCostsIncurredAssetRetirementObligation
186000000 USD
CY2011 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
96000000 USD
CY2011 exc Noncash Purchase Accounting Adjustment
NoncashPurchaseAccountingAdjustment
0 USD
CY2010 exc Taxes Other Than Income Refund Accrual
TaxesOtherThanIncomeRefundAccrual
25000000 USD
CY2010 exc Inventory Adjustments During Period
InventoryAdjustmentsDuringPeriod
-57000000 USD
CY2010 us-gaap Interest Paid Net
InterestPaidNet
665000000 USD
CY2010 us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
1219000000 USD
CY2010 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
581000000 USD
CY2010 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
108000000 USD
CY2010 us-gaap Share Based Compensation
ShareBasedCompensation
44000000 USD
CY2010 exc Other Decommissioning Related Activity
OtherDecommissioningRelatedActivity
91000000 USD
CY2010 exc Energy Related Options
EnergyRelatedOptions
-73000000 USD
CY2010 exc Asset Retirement Obligation Reduction
AssetRetirementObligationReduction
-19000000 USD
CY2010 exc Amortization Of Regulatory Asset Debt Costs
AmortizationOfRegulatoryAssetDebtCosts
24000000 USD
CY2010 exc Other Noncash Income Expense Net
OtherNoncashIncomeExpenseNet
5000000 USD
CY2010 us-gaap Increase Decrease In Over Under Energy Recovery
IncreaseDecreaseInOverUnderEnergyRecovery
-61000000 USD
CY2010 exc Increase Decrease In Other Noncurrent Operating Assets Liabilities
IncreaseDecreaseInOtherNoncurrentOperatingAssetsLiabilities
99000000 USD
CY2010Q4 us-gaap Business Acquisition Contingent Consideration At Fair Value
BusinessAcquisitionContingentConsiderationAtFairValue
32000000 USD
CY2010 exc Capitalized Costs Incurred Asset Retirement Obligation
CapitalizedCostsIncurredAssetRetirementObligation
-428000000 USD
CY2010 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
34000000 USD
CY2010 exc Noncash Purchase Accounting Adjustment
NoncashPurchaseAccountingAdjustment
9000000 USD
CY2012 exc Smart Grid Grant Project Capital Expenditures
SmartGridGrantProjectCapitalExpenditures
103000000 USD
CY2012 exc Smart Grid Grant Reimbursements
SmartGridGrantReimbursements
113000000 USD
CY2011 exc Smart Grid Grant Project Capital Expenditures
SmartGridGrantProjectCapitalExpenditures
51000000 USD
CY2010 us-gaap Interest Revenue Expense Net
InterestRevenueExpenseNet
817000000 USD
CY2011 exc Smart Grid Grant Reimbursements
SmartGridGrantReimbursements
56000000 USD
CY2012Q4 exc Total Long Term Investments
TotalLongTermInvestments
3055000000 USD
CY2011Q4 us-gaap Equity Method Investments
EquityMethodInvestments
45000000 USD
CY2011Q4 exc Total Long Term Investments
TotalLongTermInvestments
766000000 USD
CY2000Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property
CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty
1600000000 USD
CY2011 exc Preliminary Settlement Payment To Irs
PreliminarySettlementPaymentToIrs
302000000 USD
CY2012Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property
CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty
1492000000 USD
CY2011Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases Unguaranteed Residual Values Of Leased Property
CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty
1492000000 USD
CY2012Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases Deferred Income
CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome
807000000 USD
CY2011Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases Deferred Income
CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome
836000000 USD
CY2012Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases
CapitalLeasesNetInvestmentInDirectFinancingLeases
685000000 USD
CY2011Q4 us-gaap Capital Leases Net Investment In Direct Financing Leases
CapitalLeasesNetInvestmentInDirectFinancingLeases
656000000 USD
CY2012Q4 exc Accrued Compensation Current
AccruedCompensationCurrent
708000000 USD
CY2011Q4 exc Accrued Compensation Current
AccruedCompensationCurrent
520000000 USD
CY2012Q4 us-gaap Taxes Payable Current
TaxesPayableCurrent
353000000 USD
CY2011Q4 us-gaap Taxes Payable Current
TaxesPayableCurrent
297000000 USD
CY2012Q4 us-gaap Interest Payable Current
InterestPayableCurrent
236000000 USD
CY2011Q4 us-gaap Interest Payable Current
InterestPayableCurrent
192000000 USD
CY2012Q4 exc Accrued Severance Current
AccruedSeveranceCurrent
91000000 USD
CY2011Q4 exc Accrued Severance Current
AccruedSeveranceCurrent
15000000 USD
CY2012Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
412000000 USD
CY2011Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
231000000 USD
CY2011Q4 us-gaap Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
488000000 USD
CY2011Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
2938000000 USD
CY2011Q4 exc Accumulated Unrealized Gain Loss Marketable Securities
AccumulatedUnrealizedGainLossMarketableSecurities
0 USD
CY2012Q4 us-gaap Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax
AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
367000000 USD
CY2012Q4 us-gaap Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax
AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
3155000000 USD
CY2012 us-gaap Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
55000000 USD
CY2011 us-gaap Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
9000000 USD
CY2010 us-gaap Revenues From Transactions With Other Operating Segments Of Same Entity
RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity
6000000 USD
CY2010 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
2075000000 USD
CY2011 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1347000000 USD
CY2012 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1881000000 USD
CY2012 us-gaap Operating Expenses
OperatingExpenses
21018000000 USD
CY2011 us-gaap Operating Expenses
OperatingExpenses
14583000000 USD
CY2010 us-gaap Operating Expenses
OperatingExpenses
13918000000 USD
CY2010 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
4221000000 USD
CY2011 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
3956000000 USD
CY2012 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
1798000000 USD
CY2010 us-gaap Profit Loss
ProfitLoss
2563000000 USD
CY2011 us-gaap Profit Loss
ProfitLoss
2499000000 USD
CY2012 us-gaap Profit Loss
ProfitLoss
1171000000 USD
CY2011 us-gaap Additions To Noncurrent Assets
AdditionsToNoncurrentAssets
4042000000 USD
CY2010 us-gaap Additions To Noncurrent Assets
AdditionsToNoncurrentAssets
3326000000 USD
CY2012 us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
-91000000 USD
CY2011 us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
-1000000 USD
CY2012 us-gaap Interest Revenue Expense Net
InterestRevenueExpenseNet
928000000 USD
CY2011 us-gaap Interest Revenue Expense Net
InterestRevenueExpenseNet
726000000 USD
CY2010 us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
18644000000 USD
CY2011 us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
19063000000 USD
CY2012 us-gaap Segment Reporting Information Revenue
SegmentReportingInformationRevenue
23489000000 USD
CY2012 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
48000000 USD
CY2011 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
9000000 USD
CY2012 exc Related Party Transaction Utilities Operating Expense Fuel Used Total
RelatedPartyTransactionUtilitiesOperatingExpenseFuelUsedTotal
922000000 USD
CY2011 exc Related Party Transaction Utilities Operating Expense Fuel Used Total
RelatedPartyTransactionUtilitiesOperatingExpenseFuelUsedTotal
137000000 USD
CY2010 exc Related Party Transaction Utilities Operating Expense Fuel Used Total
RelatedPartyTransactionUtilitiesOperatingExpenseFuelUsedTotal
144000000 USD
CY2012 exc Related Party Transaction Charitable Contribution
RelatedPartyTransactionCharitableContribution
7000000 USD
CY2011 exc Related Party Transaction Charitable Contribution
RelatedPartyTransactionCharitableContribution
0 USD
CY2010 exc Related Party Transaction Charitable Contribution
RelatedPartyTransactionCharitableContribution
10000000 USD
CY2011 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
-1000000 USD
CY2010 us-gaap Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
0 USD
CY2010 us-gaap Revenue From Related Parties
RevenueFromRelatedParties
6000000 USD
CY2012Q4 us-gaap Due To Affiliate Current
DueToAffiliateCurrent
88000000 USD
CY2011Q4 us-gaap Due To Affiliate Current
DueToAffiliateCurrent
5000000 USD
CY2012Q4 exc Long Term Debt To Financing Trusts Fair Value Disclosure
LongTermDebtToFinancingTrustsFairValueDisclosure
648000000 USD
CY2011Q4 exc Long Term Debt To Financing Trusts Fair Value Disclosure
LongTermDebtToFinancingTrustsFairValueDisclosure
390000000 USD
CY2011Q1 us-gaap Revenues
Revenues
4956000000 USD
CY2011Q3 us-gaap Revenues
Revenues
5254000000 USD
CY2011Q4 us-gaap Revenues
Revenues
4357000000 USD
CY2011Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
1202000000 USD
CY2011Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
1034000000 USD
CY2011Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
1181000000 USD
CY2011Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
1062000000 USD
CY2012Q2 us-gaap Net Income Loss
NetIncomeLoss
286000000 USD
CY2012Q3 us-gaap Net Income Loss
NetIncomeLoss
296000000 USD
CY2012Q4 us-gaap Net Income Loss
NetIncomeLoss
378000000 USD
CY2011Q1 us-gaap Net Income Loss
NetIncomeLoss
668000000 USD
CY2011Q2 us-gaap Net Income Loss
NetIncomeLoss
620000000 USD
CY2011Q3 us-gaap Net Income Loss
NetIncomeLoss
601000000 USD
CY2011Q4 us-gaap Net Income Loss
NetIncomeLoss
606000000 USD
CY2012Q1 us-gaap Net Income Loss
NetIncomeLoss
200000000 USD
CY2012Q1 us-gaap Revenues
Revenues
4686000000 USD
CY2012Q2 us-gaap Revenues
Revenues
5954000000 USD
CY2012Q3 us-gaap Revenues
Revenues
6565000000 USD
CY2012Q4 us-gaap Revenues
Revenues
6284000000 USD
CY2012Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
359000000 USD
CY2012Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
714000000 USD
CY2012Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
603000000 USD
CY2012Q4 us-gaap Operating Income Loss
OperatingIncomeLoss
704000000 USD
CY2012Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
705000000 shares
CY2012Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
853000000 shares
CY2012Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
854000000 shares
CY2012Q4 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
854000000 shares
CY2011Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
662000000 shares
CY2011Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
663000000 shares
CY2011Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
663000000 shares
CY2011Q4 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
664000000 shares
CY2012Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.44
CY2011Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.01
CY2011Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.93
CY2011Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.91
CY2011Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.91
CY2012Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
707000000 shares
CY2012Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
856000000 shares
CY2012Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
857000000 shares
CY2012Q4 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
857000000 shares
CY2011Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
664000000 shares
CY2011Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
664000000 shares
CY2011Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
665000000 shares
CY2011Q4 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
666000000 shares
CY2012Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.28
CY2012Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.33
CY2012Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.35
CY2012Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.44
CY2011Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.01
CY2011Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.93
CY2011Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.90
CY2011Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.91
CY2012Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.28
CY2012Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.34
CY2012Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.35
CY2012Q4 exc High Share Price
HighSharePrice
37.50 USD
CY2012Q4 exc Low Share Price
LowSharePrice
28.40 USD
CY2012Q4 exc Close Share Price
CloseSharePrice
29.74 USD
CY2012Q4 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2012Q3 exc High Share Price
HighSharePrice
39.82 USD
CY2012Q3 exc Low Share Price
LowSharePrice
34.54 USD
CY2012Q3 exc Close Share Price
CloseSharePrice
35.58 USD
CY2012Q3 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2012Q2 exc High Share Price
HighSharePrice
39.37 USD
CY2012Q2 exc Low Share Price
LowSharePrice
36.27 USD
CY2012Q2 exc Close Share Price
CloseSharePrice
37.62 USD
CY2012Q2 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2012Q1 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2012Q1 exc Close Share Price
CloseSharePrice
39.21 USD
CY2012Q1 exc Low Share Price
LowSharePrice
38.31 USD
CY2012Q1 exc High Share Price
HighSharePrice
43.70 USD
CY2011Q4 exc High Share Price
HighSharePrice
45.45 USD
CY2011Q4 exc Low Share Price
LowSharePrice
39.93 USD
CY2011Q4 exc Close Share Price
CloseSharePrice
43.37 USD
CY2011Q4 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2011Q3 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2011Q3 exc Close Share Price
CloseSharePrice
42.61 USD
CY2011Q3 exc Low Share Price
LowSharePrice
39.51 USD
CY2011Q3 exc High Share Price
HighSharePrice
45.27 USD
CY2011Q2 exc High Share Price
HighSharePrice
42.89 USD
CY2011Q2 exc Low Share Price
LowSharePrice
39.53 USD
CY2011Q2 exc Close Share Price
CloseSharePrice
42.84 USD
CY2011Q2 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2011Q1 us-gaap Dividends Payable Amount Per Share
DividendsPayableAmountPerShare
0.525
CY2011Q1 exc Close Share Price
CloseSharePrice
41.24 USD
CY2011Q1 exc Low Share Price
LowSharePrice
39.06 USD
CY2011Q1 exc High Share Price
HighSharePrice
43.58 USD
CY2010 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
0 USD
CY2010 exc Interest Expense To Affiliates Net
InterestExpenseToAffiliatesNet
25000000 USD
CY2012 exc Other Comprehensive Income Unrealized Income Loss On Equity Investments Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedIncomeLossOnEquityInvestmentsArisingDuringPeriodNetOfTax
1000000 USD
CY2010 us-gaap Operating Income Loss
OperatingIncomeLoss
4726000000 USD
CY2010 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
1658000000 USD
CY2011 us-gaap Operating Income Loss
OperatingIncomeLoss
4479000000 USD
CY2011 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
663000000 shares

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