CENG Preferred Distribution Return

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- Definition

Capacity of facility of company owned solar distribution generation facilities.

+ References

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- Definition

Deferred Tax Liability related to CENG Put

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No definition available.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Mergers, Acquisitions, and Dispositions - Narrative (Details) $ in Millions			3 Months Ended			9 Months Ended
	Aug. 06, 2021 USD ($)	Apr. 01, 2014 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($) MW	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020
Business Acquisitions
Acquisition of CENG noncontrolling interest			$ (885)			$ 885	$ 0
Deferred Tax Liability Adjustment - Noncontrolling Interest			$ (290)
Business Dispositions
Gain (Loss) on Sale of Assets and Asset Impairment Charges						$ 147	16
CENG [Member]
Business Acquisitions
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.99%		49.99%			49.99%		49.99%
Solar Business
Business Dispositions
Capacity Of Facility Of Company Owned Solar Distribution Generation Facilities \| MW					360
Disposal Group, Including Discontinued Operation, Consideration					$ 810
Proceeds from Divestiture of Businesses					675
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent					125
Gain (Loss) on Sale of Assets and Asset Impairment Charges					$ 68
Albany Green Energy biomass facility
Business Dispositions
Disposal Group, Including Discontinued Operation, Consideration				$ 36
Impairment of Long-Lived Assets to be Disposed of				140
Exelon Generation Co L L C [Member]
Business Acquisitions
Acquisition of CENG noncontrolling interest			$ (885)			$ 885	0
Deferred Tax Liability Adjustment - Noncontrolling Interest			$ (288)
Business Dispositions
Gain (Loss) on Sale of Assets and Asset Impairment Charges						$ 144	$ 12
Exelon Generation Co L L C [Member] \| CENG [Member]
Business Acquisitions
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.99%		49.99%			49.99%		49.99%
Exelon Generation Co L L C [Member] \| Solar Business
Business Dispositions
Capacity Of Facility Of Company Owned Solar Distribution Generation Facilities \| MW					360
Disposal Group, Including Discontinued Operation, Consideration					$ 810
Proceeds from Divestiture of Businesses					675
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent					125
Gain (Loss) on Sale of Assets and Asset Impairment Charges					$ 68
Exelon Generation Co L L C [Member] \| Albany Green Energy biomass facility
Business Dispositions
Disposal Group, Including Discontinued Operation, Consideration				36
Impairment of Long-Lived Assets to be Disposed of				$ 140
CENG [Member]
Business Acquisitions
Equity Method Investment, Ownership Percentage	50.01%		50.01%			50.01%		50.01%
Payments of Capital Distribution		$ 400
Due from Affiliates		400
CENG Preferred Distribution Return						8.50%
Acquisition of CENG noncontrolling interest	$ 885		$ 1,080			$ 1,080
Deferred Tax Liability Adjustment - Noncontrolling Interest			$ (290)			$ (290)
CENG [Member] \| Nine Mile Point
Business Acquisitions
Equity Method Investment, Ownership Percentage			82.00%			82.00%
CENG [Member] \| Exelon Generation Co L L C [Member]
Business Acquisitions
Equity Method Investment, Ownership Percentage	50.01%		50.01%			50.01%		50.01%
Payments of Capital Distribution		400
Due from Affiliates		$ 400
CENG Preferred Distribution Return						8.50%
Acquisition of CENG noncontrolling interest	$ 885		$ 1,080			$ 1,080
Deferred Tax Liability Adjustment - Noncontrolling Interest			$ (288)			$ (288)
CENG [Member] \| Exelon Generation Co L L C [Member] \| Nine Mile Point
Business Acquisitions
Equity Method Investment, Ownership Percentage			82.00%			82.00%