ROYALTIES AND LICENSES (Narrative) (Details) (USD $) In Millions	3 Months Ended
	Jun. 30, 2011	Mar. 31, 2011
Loss and/or impairment charges on unrecognized minimum royalty-based commitments and long-lived royalty-based assets, respectively	$ 10
Restructuring accrual included in royalty-related liabilities	187	197
Fiscal 2011 Restructuring [Member]
Restructuring accrual included in royalty-related liabilities	109
Fiscal 2011 Restructuring [Member] | Amended Licensing Agreements [Member]
Loss and/or impairment charges on unrecognized minimum royalty-based commitments and long-lived royalty-based assets, respectively	15
Developer Licensor Commitment [Member] | Developer Performance Obligation Commitment [Member]
Commitment to pay content licensors, independent software developers and co-publishing and/or distribution affiliates	$ 1,000