Separation Cash Payment

No definition available.

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Namespace Prefix:	exc_
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Balance Type:	debit
Period Type:	instant

- Definition

Amount of net assets (liabilities).

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Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense in continuing operations related to continuing involvement in a discontinued operation after the disposal that before the disposal was eliminated as intra-entity transactions.

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Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable).

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Period Type:	duration

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

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- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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- Details

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Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2022	Feb. 01, 2022	Jan. 31, 2022
Discontinued Operations - Income Statement
Discontinued Operation, Intra-Entity Amounts, Discontinued Operation after Disposal, Expense	$ 68	$ 193
Exelon Generation Co L L C [Member]
Discontinued Operations - Income Statement
Net assets				$ (11,573)
Discontinued Operation, Intra-Entity Amounts, Discontinued Operation after Disposal, Expense	12	32
Corporate, Non-Segment [Member]
Discontinued Operations - Income Statement
Common Stock, Shares, Issued				326,663,937
Separation Cash Payment					$ 1,750
Proceeds from Sale and Collection of Notes Receivable			$ 258
Corporate, Non-Segment [Member] \| ShortTermDebtSOFRplus0.75Jan2023
Discontinued Operations - Income Statement
Short-term Bank Loans and Notes Payable	1,150	1,150	1,150
Corporate, Non-Segment [Member] \| SMBCTermLoanJuly2023 \| Notes Payable to Banks [Member]
Discontinued Operations - Income Statement
Debt Instrument, Face Amount	300	300	300
Corporate, Non-Segment [Member] \| USBTermLoanJuly2023 \| Notes Payable to Banks [Member]
Discontinued Operations - Income Statement
Debt Instrument, Face Amount	300	300	300
Corporate, Non-Segment [Member] \| PNCTermLoanJuly2023 \| Notes Payable to Banks [Member]
Discontinued Operations - Income Statement
Debt Instrument, Face Amount	$ 250	$ 250	$ 250