Mergers, Acquisitions, and Dispositions (Tables)

9 Months Ended

Sep. 30, 2021

Mergers, Acquisitions, and Dispositions [Abstract]

Schedule of Changes in Ownership Interest [Table Text Block]

The following tables summarize the effects of the changes in Generation's ownership interest in CENG in Exelon's Shareholders' Equity and Generation's Member's Equity:

	Three Months Ended September 30, 2021		Nine Months Ended September 30, 2021
Net income attributable to Exelon's common shareholders	$	1,203	$	1,315
Pre-tax increase in Exelon's common stock for purchase of EDF's 49.99% equity interest(a)	1,080		1,080
Decrease in Exelon's common stock due to deferred tax liabilities resulting from purchase of EDF's 49.99% equity interest(a)	(290)		(290)
Change from net income attributable to common stock and transfers from noncontrolling interest	$	1,993	$	2,105
	Three Months Ended September 30, 2021		Nine Months Ended September 30, 2021
Net income (loss) attributable to Generation's membership interest	$	607	$	(247)
Pre-tax increase in Generation's membership interest for purchase of EDF's 49.99% equity interest(a)	1,080		1,080
Decrease in Generation's membership interest due to deferred tax liabilities resulting from purchase of EDF's 49.99% equity interest(a)	(288)		(288)
Change from net income (loss) attributable to membership interest and transfers from noncontrolling interest	$	1,399	$	545

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(a)Represents non-cash activity in Exelon’s and Generation’s consolidated financial statements.