Activity for the Restructuring Programs (Detail) (USD $)	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Restructuring - 2011 Programs	Dec. 31, 2011 Restructuring - Other Programs	Dec. 31, 2010 Workforce reductions	Dec. 31, 2009 Workforce reductions	Dec. 31, 2011 Workforce reductions Restructuring - 2011 Programs	Dec. 31, 2011 Workforce reductions Restructuring - Other Programs	Dec. 31, 2009 Abandoned and impaired assets	Dec. 31, 2010 Consolidation of excess facilities and other contractual obligations	Dec. 31, 2009 Consolidation of excess facilities and other contractual obligations	Dec. 31, 2011 Consolidation of excess facilities and other contractual obligations Restructuring - 2011 Programs	Dec. 31, 2011 Consolidation of excess facilities and other contractual obligations Restructuring - Other Programs
Restructuring Reserve [Line Items]
Beginning Balance	$ 105,760,000	$ 224,704,000	$ 0	$ 81,764,000	$ 87,238,000	$ 200,599,000	$ 0	$ 53,946,000	$ 0	$ 18,522,000	$ 24,105,000	$ 0	$ 27,818,000
Charges	76,662,000	88,424,000	63,189,000	22,830,000	45,055,000	55,090,000	61,593,000	(1,631,000)	6,203,000	31,607,000	27,131,000	1,596,000	24,461,000
Utilization	(100,658,000)	(207,368,000)	(20,381,000)	(67,427,000)	(78,347,000)	(168,451,000)	(19,475,000)	(44,570,000)	(6,203,000)	(22,311,000)	(32,714,000)	(906,000)	(22,857,000)
Ending Balance	$ 81,764,000	$ 105,760,000	$ 42,808,000	$ 37,167,000	$ 53,946,000	$ 87,238,000	$ 42,118,000	$ 7,745,000	$ 0	$ 27,818,000	$ 18,522,000	$ 690,000	$ 29,422,000