Quarterly report pursuant to Section 13 or 15(d)

Debt And Credit Facilities (Schedule Of Long-Term Debt) (Detail)

v2.4.0.6
Debt And Credit Facilities (Schedule Of Long-Term Debt) (Detail)
9 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
USD ($)
Dec. 31, 2011
USD ($)
Sep. 30, 2012
$1.25 Billion Term Loan [Member]
USD ($)
Dec. 31, 2011
$1.25 Billion Term Loan [Member]
USD ($)
Sep. 30, 2012
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
Sep. 30, 2012
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
Sep. 30, 2012
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
Sep. 30, 2012
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
Sep. 30, 2012
Series 2008A - Tranche A [Member]
USD ($)
Dec. 31, 2011
Series 2008A - Tranche A [Member]
USD ($)
Sep. 30, 2012
Series 2008A - Tranche B [Member]
USD ($)
Dec. 31, 2011
Series 2008A - Tranche B [Member]
USD ($)
Sep. 30, 2012
Revolving Loan [Member]
USD ($)
Dec. 31, 2011
Revolving Loan [Member]
USD ($)
Sep. 30, 2012
Short-term Debt [Member]
USD ($)
Sep. 30, 2012
Short-term Debt [Member]
AUD
Sep. 30, 2012
Letter of Credit [Member]
USD ($)
Dec. 31, 2011
Letter of Credit [Member]
USD ($)
Sep. 30, 2012
Senior Notes - $400 Million [Member]
USD ($)
Sep. 30, 2012
Carrying Value [Member]
USD ($)
Dec. 31, 2011
Carrying Value [Member]
USD ($)
Dec. 31, 2011
Carrying Value [Member]
Senior Notes - $400 Million [Member]
USD ($)
Sep. 30, 2012
Carrying Value [Member]
Senior Notes - $700 Million [Member]
USD ($)
Dec. 31, 2011
Carrying Value [Member]
Senior Notes - $700 Million [Member]
USD ($)
Sep. 30, 2012
Carrying Value [Member]
Revolving Loan [Member]
USD ($)
Dec. 31, 2011
Carrying Value [Member]
Revolving Loan [Member]
USD ($)
Debt Instrument [Line Items]                                                            
Type     Variable Variable Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Variable Variable                        
Annual Effective Interest Rate     1.60% 1.40% 4.88% 4.88% 4.80% 4.80% 6.25% 6.25% 5.90% 5.90% 6.31% 6.31% 6.59% 6.59% 1.47% 0.00%                        
Final Maturity     2016 2016 2021 2021 2020 2020 2040 2040 2020 2020 2013 2013 2015 2015 2016 2016                        
Total Face Amount $ 5,397,100,000 $ 5,447,000,000 $ 922,100,000 $ 972,000,000 $ 700,000,000 $ 700,000,000 $ 500,000,000 $ 500,000,000 $ 800,000,000 $ 800,000,000 $ 400,000,000 $ 400,000,000 $ 270,000,000 $ 270,000,000 $ 55,000,000 $ 55,000,000 $ 1,750,000,000 $ 1,750,000,000                        
Senior notes             499,100,000   790,200,000       270,000,000   55,000,000               398,200,000     398,000,000 699,400,000 699,300,000    
Long-term Debt, Gross 3,884,000,000 3,683,500,000 922,100,000 972,000,000       499,100,000   790,100,000       270,000,000   55,000,000                            
Long-term Debt, Current Maturities 369,700,000 74,800,000                                                        
Long term debt noncurrent portion 3,514,300,000 3,608,700,000                                           3,514,300,000 3,608,700,000          
Amount of term loan paid down     327,900,000 278,000,000                                                    
Term Loan Original Amount 1,250,000,000                                                          
Current debt     99,700,000 74,800,000                                                    
Unamortized discount         600,000 700,000 900,000 900,000 9,800,000 9,900,000 1,800,000 2,000,000                                    
Imputed interest rate         4.89%   4.83%   6.38%   5.98%                                      
Revolving loans drawn                                 (250,000,000) 0                        
Credit facility, amount outstanding                                 (23,100,000) (23,500,000) (25,800,000) (24,900,000) (97,600,000) (95,000,000)             (250,000,000) 0
Credit facility remaining capacity                                 1,480,000,000 1,730,000,000 15,700,000 15,100,000                    
Debt to earnings ratio 3.5                                                          
EBITDA to interest expense 2.5                                                          
Credit facility, amount                                     41,500,000 40,000,000                    
Debt maturities in 2012 24,900,000                                                          
Debt maturities in 2013 369,700,000                                                          
Debt maturities in 2014 124,600,000                                                          
Debt maturities in 2015 428,800,000                                                          
Debt maturities in 2016 299,100,000                                                          
Debt maturities after 2016 $ 2,400,000,000