Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Summarized Information about Stock Options Outstanding and Exercisable (Detail)

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STOCK-BASED COMPENSATION - Summarized Information about Stock Options Outstanding and Exercisable (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Shares 10,595
Options Outstanding, Average Life (in years) 3 years 0 months 10 days
Options Outstanding, Average Exercise Price $ 72.04
Options Exercisable, Shares 10,115
Options Exercisable Average, Exercise Price $ 72.09
Range 1
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit $ 50.01
Exercise Price Range, upper limit $ 60
Options Outstanding, Shares 211
Options Outstanding, Average Life (in years) 6 years 4 months 7 days
Options Outstanding, Average Exercise Price $ 55.83
Options Exercisable, Shares 133
Options Exercisable Average, Exercise Price $ 55.83
Range 2
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit $ 60.01
Exercise Price Range, upper limit $ 70
Options Outstanding, Shares 1,337
Options Outstanding, Average Life (in years) 1 year 2 months 13 days
Options Outstanding, Average Exercise Price $ 62.98
Options Exercisable, Shares 1,257
Options Exercisable Average, Exercise Price $ 62.72
Range 3
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit $ 70.01
Exercise Price Range, upper limit $ 80
Options Outstanding, Shares 6,858
Options Outstanding, Average Life (in years) 3 years 2 months 8 days
Options Outstanding, Average Exercise Price $ 71.47
Options Exercisable, Shares 6,536
Options Exercisable Average, Exercise Price $ 71.27
Range 4
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit $ 80.01
Exercise Price Range, upper limit $ 90
Options Outstanding, Shares 2,189
Options Outstanding, Average Life (in years) 3 years 4 months
Options Outstanding, Average Exercise Price $ 80.92
Options Exercisable, Shares 2,189
Options Exercisable Average, Exercise Price $ 80.92