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Consolidated Statements of Changes in Shareholders Equity - Exelon (Parentheticals) - $ / shares
3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]            
Common stock dividends (in dollars per share) $ 0.36 $ 0.36 $ 0.36 $ 0.34 $ 0.34 $ 0.34