SEGMENT INFORMATION (Net Revenue by Platform) (Details) (USD $) In Millions	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net revenue	$ 999	$ 815
Consoles [Member]
Net revenue	698	522
Consoles [Member] | Xbox 360 [Member]
Net revenue	345	262
Consoles [Member] | PLAYSTATION 3 [Member]
Net revenue	308	209
Consoles [Member] | Wii [Member]
Net revenue	42	40
Consoles [Member] | PlayStation 2 [Member]
Net revenue	3	11
PC [Member]
Net revenue	205	186
Mobile and Handhelds [Member]
Net revenue	76	82
Mobile and Handhelds [Member] | Nintendo DS [Member]
Net revenue	8	11
Mobile and Handhelds [Member] | Mobile [Member]
Net revenue	57	52
Mobile and Handhelds [Member] | PSP [Member]
Net revenue	11	19
Licensing and Other [Member]
Net revenue	$ 20	$ 25