Restructuring Charges (Reversals), Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended							12 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Employee severance pay and related costs (reversals)								$ (10,819)	$ 102,704
Non-cancelable lease, contract terminations, and other charges								14,038	26,999
Other non-cash charges, net								547	109,896
Sub-total before accelerations (reversals) of stock-based compensation expense									239,599
Accelerations (reversals) of stock-based compensation expense									(3,429)
Restructuring charges (reversal), net	8,000	4,000	(7,000)	77,000	25,000	129,000	6,000	3,766	236,170	24,420
Restructuring Plans Prior to 2012
Restructuring Cost and Reserve [Line Items]
Employee severance pay and related costs (reversals)								(459)	1,169	12,965
Non-cancelable lease, contract terminations, and other charges								13,894	8,462	10,251
Other non-cash charges, net										990
Sub-total before accelerations (reversals) of stock-based compensation expense									9,631	24,206
Accelerations (reversals) of stock-based compensation expense										214
Restructuring charges (reversal), net								13,435	9,631	24,420
Q2'12 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Employee severance pay and related costs (reversals)								(15,401)	96,537
Non-cancelable lease, contract terminations, and other charges								164	9,541
Other non-cash charges, net									40,462
Sub-total before accelerations (reversals) of stock-based compensation expense									146,540
Accelerations (reversals) of stock-based compensation expense									(3,429)
Restructuring charges (reversal), net								(15,237)	143,111
Q4'12 Korea Business Closure
Restructuring Cost and Reserve [Line Items]
Employee severance pay and related costs (reversals)								(103)	4,998
Non-cancelable lease, contract terminations, and other charges								(20)	8,996
Other non-cash charges, net								547	69,434
Sub-total before accelerations (reversals) of stock-based compensation expense									83,428
Restructuring charges (reversal), net								424	83,428
Q4'13 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Employee severance pay and related costs (reversals)								5,144
Restructuring charges (reversal), net								$ 5,144