Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,292	$ 1,293
Short-term investments	388	437
Marketable equity securities	0	119
Receivables, net of allowances of $200 and $252, respectively	312	366
Inventories	42	59
Deferred income taxes, net	52	67
Other current assets	239	268
Total current assets	2,325	2,609
Property and equipment, net	548	568
Goodwill	1,721	1,718
Acquisition-related intangibles, net	253	369
Deferred income taxes, net	53	42
Other assets	170	185
TOTAL ASSETS	5,070	5,491
Current liabilities:
Accounts payable	136	215
Accrued and other current liabilities	737	857
Deferred net revenue (online-enabled games)	1,044	1,048
Total current liabilities	1,917	2,120
0.75% convertible senior notes due 2016, net	559	539
Income tax obligations	205	189
Deferred income taxes, net	1	8
Other liabilities	121	177
Total liabilities	2,803	3,033
Commitments and contingencies (See Note 12)
Stockholders' equity:
Preferred stock, $0.01 par value. 10 shares authorized	0	0
Common stock, $0.01 par value. 1,000 shares authorized; 302 and 320 shares issued and outstanding, respectively	3	3
Paid-in capital	2,174	2,359
Retained earnings (accumulated deficit)	21	(77)
Accumulated other comprehensive income	69	173
Total stockholders' equity	2,267	2,458
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 5,070	$ 5,491