Restructuring - Schedule of Total Expected Pre-tax Restructuring Charges (Details) $ in Millions	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Total charges incurred through December 31, 2021	$ 303
Activision
Restructuring Cost and Reserve [Line Items]
Total charges incurred through December 31, 2021	34
Blizzard
Restructuring Cost and Reserve [Line Items]
Total charges incurred through December 31, 2021	214
King
Restructuring Cost and Reserve [Line Items]
Total charges incurred through December 31, 2021	21
Other segments
Restructuring Cost and Reserve [Line Items]
Total charges incurred through December 31, 2021	$ 34