Quarterly report pursuant to Section 13 or 15(d)

Debt Outstanding (Parenthetical) (Detail)

v2.3.0.15
Debt Outstanding (Parenthetical) (Detail)
9 Months Ended 12 Months Ended
Sep. 30, 2011
Dec. 31, 2010
Note, 4.25%, due in installments through March 2012
   
Debt, interest rate 4.25% 4.25%
Debt, maturity date March, 2012 March, 2012
Notes, 7.34%, due in installments through May 2014
   
Debt, interest rate 7.34% 7.34%
Debt, maturity date May, 2014 May, 2014
Notes, 4.45%, due December 2014
   
Debt, interest rate 4.45% 4.45%
Debt, maturity date December, 2014 December, 2014
Notes, 6.30%, due July 2017
   
Debt, interest rate 6.30% 6.30%
Debt, maturity date July, 2017 July, 2017
Debentures, 6.90%, due July 2028
   
Debt, interest rate 6.90% 6.90%
Debt, maturity date July, 2028 July, 2028
Notes, 7.00%, due July 2037
   
Debt, interest rate 7.00% 7.00%
Debt, maturity date July, 2037 July, 2037