Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 7,095
Additions through acquisition	2,678
Other	(2)
Ending balance	9,771
Activision
Goodwill [Roll Forward]
Beginning balance	6,905
Additions through acquisition	0
Other	(2)
Ending balance	6,903
Blizzard
Goodwill [Roll Forward]
Beginning balance	178
Additions through acquisition	0
Other	0
Ending balance	178
King
Goodwill [Roll Forward]
Beginning balance	0
Additions through acquisition	2,678
Other	0
Ending balance	2,678
Other
Goodwill [Roll Forward]
Beginning balance	12
Additions through acquisition	0
Other	0
Ending balance	$ 12