v3.10.0.1
Commitments and Contingencies Commitments and Contingencies - Narrative (Details)
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3 Months Ended |
12 Months Ended |
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USD ($)
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USD ($)
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USD ($)
employee
Open_claim
MGPSite
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USD ($)
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USD ($)
MW
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USD ($)
employee
Open_claim
MGPSite
MW
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USD ($)
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USD ($)
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USD ($)
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[1],[2] |
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$ 1,378,000,000
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$ 1,378,000,000
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Direct Investment Commitment |
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$ 1,000,000,000
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Power Volume | MW |
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10
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220
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Business Acquisition Residual Commitment | MW |
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55
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Loss Contingency, Loss in Period |
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$ 50,000,000
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Nontrade Receivables, Current |
[3] |
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124,000,000
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$ 94,000,000
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$ 124,000,000
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94,000,000
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Nontrade Receivables, Noncurrent |
[4] |
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15,000,000
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15,000,000
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15,000,000
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15,000,000
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Accounts Payable, Other, Current |
[3],[5] |
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(17,000,000)
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(11,000,000)
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(17,000,000)
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(11,000,000)
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DOE Spent Nuclear Fuel One Time Fee |
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34,000,000
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34,000,000
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Operating Expenses |
[6] |
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32,143,000,000
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29,619,000,000
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28,106,000,000
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Exelon Generation Co L L C [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[1],[2] |
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763,000,000
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763,000,000
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Direct Investment Commitment |
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Entity Number of Employees | employee |
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1,500
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1,500
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Leasehold Improvements, Gross |
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$ 90,000,000
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$ 90,000,000
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Lessee, Operating Lease, Term of Contract |
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20 years
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Costs Incurred, Development Costs |
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458,000,000
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Nuclear financial protection pool value |
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450,000,000
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450,000,000
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Maximum recovery limit from a nuclear industry mutual insurance company in the event of multiple losses |
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13,600,000,000
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13,600,000,000
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Maximum annual assessment payment mandated by Price-Anderson Act for a nuclear incident |
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3,100,000,000
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3,100,000,000
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Mutual Insurance Total Retrospective Premium Obligation |
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345,000,000
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345,000,000
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Mutual Replacement Power Cost Insurance Maximum Retrospective Premium Obligation |
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3,200,000,000
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3,200,000,000
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Cost of spent nuclear fuel disposal per kWh of net nuclear generation |
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0.001
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0.001
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Spent Nuclear Fuel Storage Reimbursement |
[7] |
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1,274,000,000
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Spent Nuclear Fuel Storage Reimbursement Net Co Owners |
[7],[8] |
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1,100,000,000
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DOE Spent Nuclear Fuel One Time Fee |
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277,000,000
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277,000,000
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DOE Spent Nuclear Fuel One Time Fee With Interest |
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1,171,000,000
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1,147,000,000
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$ 1,171,000,000
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1,147,000,000
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Spent Nuclear Fuel Treasury Interest Rate |
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2.351%
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Loss Contingency Accrual, Provision |
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20,000,000
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Environmental loss contingencies |
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90,000,000
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90,000,000
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Asbestos Liability Reserve |
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$ 79,000,000
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78,000,000
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$ 79,000,000
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78,000,000
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Open Asbestos Liability Claims | Open_claim |
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238
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238
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Exelon Generation Co L L C [Member] | Minimum [Member] |
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Commitments and Contingencies [Line Items] |
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Direct Investment Commitment |
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$ 450,000,000
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$ 450,000,000
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Business Acquisition, Expected New Generation Mwh | MW |
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285
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Exelon Generation Co L L C [Member] | Maximum [Member] |
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Commitments and Contingencies [Line Items] |
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Direct Investment Commitment |
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500,000,000
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$ 500,000,000
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Business Acquisition, Expected New Generation Mwh | MW |
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300
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Exelon Generation Co L L C [Member] | West Lake [Member] |
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Commitments and Contingencies [Line Items] |
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Loss Contingency Accrual, Provision |
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280,000,000
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Exelon Generation Co L L C [Member] | Nuclear Insurance Premiums [Member] |
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Commitments and Contingencies [Line Items] |
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Nuclear insurance liability limit per incident |
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14,100,000,000
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$ 14,100,000,000
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Exelon Generation Co L L C [Member] | Nuclear Insurance Premiums [Member] | Maximum [Member] |
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Commitments and Contingencies [Line Items] |
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Nuclear financial protection pool value |
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$ 454,000,000
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Exelon Generation Co L L C [Member] | Guarantees Other Than Letters Of Credit and Nuclear Insurance Premiums [Member] |
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Commitments and Contingencies [Line Items] |
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Mutual Property Insurance Distribution To Members |
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58,000,000
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60,000,000
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58,000,000
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60,000,000
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$ 21,000,000
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Commonwealth Edison Co [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2],[9] |
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23,000,000
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23,000,000
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Direct Investment Commitment |
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Total number of MGP sites | MGPSite |
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42
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42
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Sites approved for clean-up | MGPSite |
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21
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21
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Sites under study/remediation | MGPSite |
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21
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21
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Other Increase (Decrease) in Environmental Liabilities |
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$ 48,000,000
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PECO Energy Co [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2],[9] |
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$ 25,000,000
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$ 25,000,000
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Direct Investment Commitment |
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Total number of MGP sites | MGPSite |
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26
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26
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Sites approved for clean-up | MGPSite |
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17
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17
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Sites under study/remediation | MGPSite |
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9
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9
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Baltimore Gas and Electric Company [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2],[9],[10],[11] |
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$ 143,000,000
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$ 143,000,000
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Direct Investment Commitment |
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Total number of MGP sites | MGPSite |
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13
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13
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Sites approved for clean-up | MGPSite |
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9
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9
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Sites under study/remediation | MGPSite |
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4
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4
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Common Equity Tier One Capital Ratio |
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48.00%
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48.00%
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Occupancy, Net |
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$ 42,000,000
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$ 12,000,000
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Operating Leases, Income Statement, Initial Direct Costs |
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25,000,000
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Oil and Gas Property, Lease Operating Expense |
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29,000,000
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Operating Expenses |
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28,000,000
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Pepco Holdings LLC [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2] |
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$ 377,000,000
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$ 377,000,000
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Direct Investment Commitment |
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Potomac Electric Power Company [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2] |
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86,000,000
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86,000,000
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Direct Investment Commitment |
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Accrued Liabilities and Other Liabilities |
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30,000,000
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28,000,000
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30,000,000
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28,000,000
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Delmarva Power & Light Company [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2],[9] |
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96,000,000
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96,000,000
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Direct Investment Commitment |
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Total number of MGP sites | MGPSite |
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3
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3
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Sites approved for clean-up | MGPSite |
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2
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2
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Common Equity Tier One Capital Ratio |
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48.00%
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48.00%
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Atlantic City Electric Company [Member] |
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Commitments and Contingencies [Line Items] |
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Operating Leases, Future Minimum Payments Due |
[2] |
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$ 32,000,000
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$ 32,000,000
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Direct Investment Commitment |
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Common Equity Tier One Capital Ratio |
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30.00%
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30.00%
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Open Claims [Member] | Exelon Generation Co L L C [Member] |
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Commitments and Contingencies [Line Items] |
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Asbestos Liability Reserve |
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$ 24,000,000
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$ 24,000,000
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Estimated Future Claims [Member] | Exelon Generation Co L L C [Member] |
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Commitments and Contingencies [Line Items] |
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Asbestos Liability Reserve |
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$ 55,000,000
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$ 55,000,000
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X |
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Period Type: |
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X |
- DefinitionThe expected capacity of new generation development related to the acquisition settlement.
+ References
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X |
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+ References
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- DefinitionMaximum annual payment of the assessment per nuclear reactor for a nuclear incident, under the financial protection pool mandated by the Price-Anderson Act. This payment is made by each United States nuclear reactor operator over multiple years in the event of an incident at any United States nuclear reactor, until the total assessment has been fully paid.
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X |
- DefinitionOne-time fee applicable to nuclear generation through April 6, 1983 under the standard contracts with the Department of Energy which was elected to be deferred with interest until just prior to the first delivery of spent nuclear fuel to the Department of Energy.
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X |
- DefinitionTotal of allowed cash reimbursements for received for costs incurred from the Department of Energy under the settlement agreement for spent nuclear fuel storage costs that have been incurred due to the delay in the Department of Energy accepting spent nuclear fuel.
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