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Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"The RSU award accrued 734 additional shares during 2021 through automatic dividend reinvestment."}],"balance_after":15713,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":7859},"source":{"system":"sec-edgar","filing":"0001062993-22-000883","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299322000883/form4.xml","form_type":"4"}},{"id":2439134,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr EVP & CFO"}}],"security":"2020 Restricted Stock Units","published_at":"2022-01-10T22:14:11.000Z","date":"2022-01-06","kind":"exercise","acquired":false,"shares":5961,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  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RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The RSU award accrued 371 additional shares during 2021 through automatic dividend reinvestment."}],"balance_after":5961,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":5961},"source":{"system":"sec-edgar","filing":"0001062993-22-000883","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299322000883/form4.xml","form_type":"4"}},{"id":2439133,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr EVP & CFO"}}],"security":"2019 Restricted Stock Units","published_at":"2022-01-10T22:14:11.000Z","date":"2022-01-06","kind":"exercise","acquired":false,"shares":6137,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan.  Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting.  RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The RSU award accrued 191 additional shares during 2021 through automatic dividend reinvestment."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":6137},"source":{"system":"sec-edgar","filing":"0001062993-22-000883","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299322000883/form4.xml","form_type":"4"}},{"id":2439132,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr EVP & CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:14:11.000Z","date":"2022-01-06","kind":"tax_withholding","acquired":false,"shares":21370,"price":56.73,"value":1212320.1,"ownership":{"direct":true},"balance_after":111338,"source":{"system":"sec-edgar","filing":"0001062993-22-000883","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299322000883/form4.xml","form_type":"4"}},{"id":2439131,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr EVP & CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:14:11.000Z","date":"2022-01-06","kind":"exercise","acquired":true,"shares":59957,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Common shares acquired through conversion of previously awarded and vested restricted stock units (RSUs) under the Exelon Long Term Incentive Plan."}],"balance_after":132709,"source":{"system":"sec-edgar","filing":"0001062993-22-000883","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299322000883/form4.xml","form_type":"4"}},{"id":2501253,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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Option award will expire on the 10th anniversary of the grant date referenced in column 1."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Fully vested non-qualified stock option granted pursuant to the Exelon Long-Term Incentive Plan.  Option award will expire on the 10th anniversary of the grant date referenced in column 1."}],"balance_after":0,"derivative":{"exercise_price":39.81,"underlying":"Common Stock","underlying_shares":13000},"source":{"system":"sec-edgar","filing":"0001062993-21-011391","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299321011391/form4.xml","form_type":"4"}},{"id":2501252,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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Mr Nigro undertakes to provide to Exelon Corporation, any security holder of Exelon Corporation or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at at each separate price within the range provided above."}],"balance_after":72752,"source":{"system":"sec-edgar","filing":"0001062993-21-011391","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299321011391/form4.xml","form_type":"4"}},{"id":2501251,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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Option award will expire on the 10th anniversary of the grant date referenced in column 1."}],"balance_after":85752,"source":{"system":"sec-edgar","filing":"0001062993-21-011391","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299321011391/form4.xml","form_type":"4"}},{"id":2896098,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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Performance share (stock units) awards vest immediately upon grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share (stock unit) award granted pursuant to the Exelon Long Term Incentive Plan for the three-year performance period referenced in Column 1 based on the Compensation and Leadership Development Committee's determination of performance achieved for the period.  Each performance share (stock unit) represents the right to receive one share or the economic equivalent value of one share of Exelon common stock.  Performance share (stock units) awards vest immediately upon grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Performance share (stock unit) award granted pursuant to the Exelon Long Term Incentive Plan for the three-year performance period referenced in Column 1 based on the Compensation and Leadership Development Committee's determination of performance achieved for the period.  Each performance share (stock unit) represents the right to receive one share or the economic equivalent value of one share of Exelon common stock.  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Performance share (stock units) awards vest immediately upon grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Performance share (stock unit) award granted pursuant to the Exelon Long Term Incentive Plan for the three-year performance period referenced in Column 1 based on the Compensation and Leadership Development Committee's determination of performance achieved for the period.  Each performance share (stock unit) represents the right to receive one share or the economic equivalent value of one share of Exelon common stock.  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Awards accrue additional RSUs acquired through quarterly dividend reinvestment that vest on the same schedule as the underlying award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Restricted stock unit (RSUs) award granted pursuant to the Exelon Long Term Incentive Plan.  RSUs are granted annually at the Compensation and Leadership Development Committee's first meeting in January or February and vest in 1/3 increments on the dates of the Committee's January or February meetings held in the first, second, and third years after the grant date.  Each RSU represents the right to receive one share of Exelon common stock.  Awards accrue additional RSUs acquired through quarterly dividend reinvestment that vest on the same schedule as the underlying award."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Restricted stock unit (RSUs) award granted pursuant to the Exelon Long Term Incentive Plan.  RSUs are granted annually at the Compensation and Leadership Development Committee's first meeting in January or February and vest in 1/3 increments on the dates of the Committee's January or February meetings held in the first, second, and third years after the grant date.  Each RSU represents the right to receive one share of Exelon common stock.  Awards accrue additional RSUs acquired through quarterly dividend reinvestment that vest on the same schedule as the underlying award."}],"balance_after":22838,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":22838},"source":{"system":"sec-edgar","filing":"0001062993-21-000648","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000106299321000648/form4.xml","form_type":"4"}},{"id":2896095,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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Mr. Nigro undertakes to provide to Exelon Corporation, any security holder of Exelon Corporation or the staff of the U.S. Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the price range indicated."}],"balance_after":45774,"source":{"system":"sec-edgar","filing":"0001109357-19-000038","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1109357/000110935719000038/edgar.xml","form_type":"4"}},{"id":3595760,"issuer":{"id":3050,"kind":"organization","name":"EXELON CORP","symbol":"EXC"},"owners":[{"id":25870,"kind":"person","name":"Nigro Joseph","position":1,"cik":"0001740087","reported_name":"Nigro Joseph","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. EVP & Chief Fin. 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