Components of Total Stock-Based Compensation Expense Included in our Consolidated Income Statement (Detail) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	$ 836,171,000	$ 685,053,000	$ 604,385,000
Income tax benefit	193,143,000	165,673,000	134,843,000
Total stock-based compensation, net of tax	643,028,000	519,380,000	469,542,000
Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	60,698,000	50,232,000	49,259,000
Cost of Service
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	62,979,000	58,421,000	50,134,000
Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	299,255,000	258,746,000	214,554,000
Selling, General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	413,239,000	317,654,000	291,759,000
Restructuring Charges
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes			(1,321,000)
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	326,041,000	327,622,000	375,441,000
Income tax benefit	73,293,000	75,771,000	78,517,000
Total stock-based compensation, net of tax	252,748,000	251,851,000	296,924,000
Stock Option | Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	29,504,000	29,586,000	33,423,000
Stock Option | Cost of Service
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	25,221,000	29,493,000	35,004,000
Stock Option | Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	106,556,000	112,484,000	118,875,000
Stock Option | Selling, General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	164,760,000	156,059,000	189,154,000
Stock Option | Restructuring Charges
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes			(1,015,000)
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	510,130,000	357,431,000	228,944,000
Income tax benefit	119,850,000	89,902,000	56,326,000
Total stock-based compensation, net of tax	390,280,000	267,529,000	172,618,000
Restricted Stock | Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	31,194,000	20,646,000	15,836,000
Restricted Stock | Cost of Service
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	37,758,000	28,928,000	15,130,000
Restricted Stock | Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	192,699,000	146,262,000	95,679,000
Restricted Stock | Selling, General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes	248,479,000	161,595,000	102,605,000
Restricted Stock | Restructuring Charges
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before income taxes			$ (306,000)