Intangible Assets, Excluding Goodwill (Detail) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,659,648,000	$ 3,173,460,000
Accumulated Amortization	(1,893,533,000)	(1,549,193,000)
Net Book Value	1,766,115,000	1,624,267,000
Purchased Technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,620,977,000	1,509,616,000
Accumulated Amortization	(1,020,356,000)	(873,095,000)
Net Book Value	600,621,000	636,521,000
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	225,146,000	62,170,000
Accumulated Amortization	(72,078,000)	(62,134,000)
Net Book Value	153,068,000	36,000
Software Licenses
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	90,093,000	84,583,000
Accumulated Amortization	(83,999,000)	(72,115,000)
Net Book Value	6,094,000	12,468,000
Tradename and trademark
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	172,851,000	171,651,000
Accumulated Amortization	(93,636,000)	(74,725,000)
Net Book Value	79,215,000	96,926,000
Customer Relationships And Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,329,775,000	1,275,908,000
Accumulated Amortization	(597,117,000)	(447,411,000)
Net Book Value	732,658,000	828,497,000
IPR&D
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	43,900,000	43,900,000
Accumulated Amortization	0	0
Net Book Value	43,900,000	43,900,000
Leasehold Interest
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	146,757,000
Accumulated Amortization	(2,524,000)
Net Book Value	144,233,000
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	30,149,000	25,632,000
Accumulated Amortization	(23,823,000)	(19,713,000)
Net Book Value	$ 6,326,000	$ 5,919,000