Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 2,353	$ 2,679
Short-term investments	195	0
Trade accounts receivable, net	786	902
Deferred income taxes	326	231
Other current assets	143	153
TOTAL CURRENT ASSETS	3,803	3,965
Property and equipment, net of accumulated depreciation of $772 and $707, respectively	339	386
Goodwill	5,856	5,856
Capitalized software and other intangible assets, net	1,296	1,389
Deferred income taxes	21	151
Other noncurrent assets, net	243	250
TOTAL ASSETS	11,558	11,997
CURRENT LIABILITIES
Current portion of long-term debt	19	14
Accounts payable	76	95
Accrued salaries, wages and commissions	281	350
Accrued expenses and other current liabilities	415	444
Deferred revenue (billed or collected)	2,234	2,658
Taxes payable, other than income taxes payable	77	80
Federal, state and foreign income taxes payable	225	96
Deferred income taxes	14	14
TOTAL CURRENT LIABILITIES	3,341	3,751
Long-term debt, net of current portion	1,282	1,287
Federal, state and foreign income taxes payable	421	430
Deferred income taxes	44	44
Deferred revenue (billed or collected)	957	972
Other noncurrent liabilities	100	116
TOTAL LIABILITIES	6,145	6,600
STOCKHOLDERS' EQUITY
Preferred stock, no par value, 10,000,000 shares authorized; No shares issued and outstanding	0	0
Common stock, $0.10 par value, 1,100,000,000 shares authorized; 589,695,081 and 589,695,081 shares issued; 450,765,508 and 466,183,134 shares outstanding, respectively	59	59
Additional paid-in capital	3,582	3,491
Retained earnings	5,229	4,865
Accumulated other comprehensive loss	(119)	(108)
Treasury stock, at cost, 138,929,573 and 123,511,947 shares, respectively	(3,338)	(2,910)
TOTAL STOCKHOLDERS' EQUITY	5,413	5,397
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 11,558	$ 11,997