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Goodwill (Tables)
12 Months Ended
Dec. 31, 2021
Changes in Carrying Amount of Goodwill
Corporate and OtherGeneration
&
Marketing
AEP Consolidated
(in millions)
Balance as of December 31, 2019$37.1 $15.4 $52.5 
Impairment Losses— — — 
Balance as of December 31, 202037.1 15.4 52.5 
Impairment Losses— — — 
Balance as of December 31, 2021$37.1 $15.4 $52.5