Activity For Restructuring Program (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011 Workforce reductions	Sep. 30, 2011 Workforce reductions	Jun. 30, 2012 Workforce reductions	Sep. 30, 2011 Consolidation of excess facilities and other contractual obligations	Sep. 30, 2011 Consolidation of excess facilities and other contractual obligations	Jun. 30, 2012 Consolidation of excess facilities and other contractual obligations	Sep. 30, 2012 Restructuring 2012 Programs	Sep. 30, 2012 Restructuring 2012 Programs	Sep. 30, 2012 Restructuring 2012 Programs Workforce reductions	Sep. 30, 2012 Restructuring 2012 Programs Workforce reductions	Sep. 30, 2012 Restructuring 2012 Programs Consolidation of excess facilities and other contractual obligations	Sep. 30, 2012 Restructuring 2012 Programs Consolidation of excess facilities and other contractual obligations	Sep. 30, 2012 Restructuring Other Programs	Sep. 30, 2012 Restructuring Other Programs	Sep. 30, 2012 Restructuring Other Programs Workforce reductions	Sep. 30, 2012 Restructuring Other Programs Workforce reductions	Sep. 30, 2012 Restructuring Other Programs Consolidation of excess facilities and other contractual obligations	Sep. 30, 2012 Restructuring Other Programs Consolidation of excess facilities and other contractual obligations
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 71,948			$ 81,764		$ 53,946	$ 36,562		$ 27,818	$ 35,386	$ 36,834	$ 0	$ 33,908	$ 0	$ 2,926	$ 0	$ 45,775	$ 79,975	$ 20,151	$ 49,863	$ 25,624	$ 30,112
Charges/ (Adjustments to the Provision)	22,300	16,881	70,100	58,078	14,977	33,752		1,904	24,326		25,205	76,503	16,888	62,624	8,317	13,879	(2,919)	(6,396)	(1,156)	(7,396)	(1,763)	1,000
Utilization		(17,855)		(68,868)	(13,732)	(49,891)		(4,123)	(18,977)		(14,393)	(28,857)	(10,993)	(22,821)	(3,400)	(6,036)	(6,942)	(37,665)	(4,675)	(28,147)	(2,267)	(9,518)
Ending Balance		$ 70,974		$ 70,974	$ 37,807	$ 37,807	$ 36,562	$ 33,167	$ 33,167	$ 35,386	$ 47,646	$ 47,646	$ 39,803	$ 39,803	$ 7,843	$ 7,843	$ 35,914	$ 35,914	$ 14,320	$ 14,320	$ 21,594	$ 21,594