Exelon Foundation Charitable Contribution

No definition available.

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- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due after 1 year (or 1 business cycle).

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- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of interest income earned from interest-bearing assets owed to the entity by related party.

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No definition available.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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- 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.

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No definition available.

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Schedule I - Condensed Financial Information of Parent (Exelon Corporate) - Related Party Transactions - Summary of Related Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 31, 2022
Related Party Transaction [Line Items]
Payables to affiliates, current	$ 5	$ 5
Exelon Foundation Charitable Contribution	20
Exelon Corporate [Member]
Related Party Transaction [Line Items]
Operating and maintenance from affiliates	4	14	$ 10
Interest income from affiliates, net	5	0	1
Equity in earnings of unconsolidated affiliates	2,450	1,908	1,482
Contributions from member	2,027	1,842	1,638
Accounts receivable from affiliates, current	17	35
Note receivable from affiliates, current	182	217
Investments in affiliates	35,925	29,563
Payables to affiliates, current	360	360
Exelon Corporate [Member] \| Exelon Business Services Co Affiliate [Member]
Related Party Transaction [Line Items]
Operating and maintenance from affiliates	4	14	10
Interest income from affiliates, net	4	0	1
Equity in earnings of unconsolidated affiliates	(18)	(301)	(273)
Accounts receivable from affiliates, current	3	4
Note receivable from affiliates, current	138	210
Investments in affiliates	384	146
Exelon Corporate [Member] \| Other Affiliate [Member]
Related Party Transaction [Line Items]
Equity in earnings of unconsolidated affiliates	(1)	2	27
Investments in affiliates	(2)	(3,663)
Exelon Corporate [Member] \| Exelon Generation Co L L C [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	0	13
Notes receivable from affiliates, noncurrent	0	319		$ 258
Exelon Corporate [Member] \| Exelon Energy Delivery Company LLC [Member]
Related Party Transaction [Line Items]
Interest income from affiliates, net	1	0	0
Equity in earnings of unconsolidated affiliates	2,482	2,215	1,729
Investments in affiliates	35,092	32,621
Exelon Corporate [Member] \| UII LLC [Member]
Related Party Transaction [Line Items]
Investments in affiliates	365	365
Payables to affiliates, current	360	360
Exelon Corporate [Member] \| Potomac Capital Investment Affiliate [Member]
Related Party Transaction [Line Items]
Equity in earnings of unconsolidated affiliates	(9)	(1)	0
Investments in affiliates	52	62
Exelon Corporate [Member] \| Exelon Enterprise [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	0	1
Investments in affiliates	3	3
Exelon Corporate [Member] \| Exelon INQB8R, LLC [Member] [Member]
Related Party Transaction [Line Items]
Equity in earnings of unconsolidated affiliates	(4)	(7)	$ (1)
Investments in affiliates	15	26
Exelon Corporate [Member] \| Commonwealth Edison Co [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	4	5
Exelon Corporate [Member] \| PECO Energy Co [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	2	4
Exelon Corporate [Member] \| Baltimore Gas and Electric Company [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	1	2
Exelon Corporate [Member] \| PHI Service Co Affiliate [Member]
Related Party Transaction [Line Items]
Accounts receivable from affiliates, current	7	6
Exelon Corporate [Member] \| Pepco Holdings LLC Affiliate [Member]
Related Party Transaction [Line Items]
Note receivable from affiliates, current	44	7
Exelon Corporate [Member] \| VEBA [Member]
Related Party Transaction [Line Items]
Investments in affiliates	4	3
Exelon Corporate [Member] \| Connectiv, LLC
Related Party Transaction [Line Items]
Investments in affiliates	$ 12	$ 0