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Goodwill
 6 Months Ended
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The carrying amount of goodwill by reportable segment at both June 30, 2021 and December 31, 2020 was as follows (amounts in millions):

 ActivisionBlizzardKingTotal
Goodwill$6,899 $190 $2,676 $9,765