CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net revenues
Product sales	$ 2,447	$ 2,786	$ 3,201
Subscription, licensing, and other revenues	2,217	1,622	1,382
Total net revenues	4,664	4,408	4,583
Costs and expenses
Cost of sales - product costs	921	999	1,053
Cost of sales - online	224	232	204
Cost of sales - software royalties and amortization	412	260	187
Cost of sales - intellectual property licenses	28	34	87
Product development	646	571	584
Sales and marketing	734	712	606
General and administrative	380	417	490
Total costs and expenses	3,345	3,225	3,211
Operating income	1,319	1,183	1,372
Interest and other expense, net	198	202	53
Income before income tax expense	1,121	981	1,319
Income tax expense	229	146	309
Net income	$ 892	$ 835	$ 1,010
Earnings per common share
Basic (in dollars per share)	$ 1.21	$ 1.14	$ 0.96
Diluted (in dollars per share)	$ 1.19	$ 1.13	$ 0.95
Weighted-average number of shares outstanding
Basic (in shares)	728	716	1,024
Diluted (in shares)	739	726	1,035
Dividends per common share (in dollars per share)	$ 0.23	$ 0.20	$ 0.19