Quarterly report pursuant to Section 13 or 15(d)

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

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Debt And Credit Facilities (Schedule Of Long-Term Debt) (Detail)
 6 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended
Jun. 30, 2012
USD ($)
Dec. 31, 2011
USD ($)
Jun. 30, 2012
Private Placement Senior Notes [Member]
USD ($)
Jun. 30, 2012
$1.25 Billion Term Loan [Member]
USD ($)
Dec. 31, 2011
$1.25 Billion Term Loan [Member]
USD ($)
Jun. 30, 2012
Seven Hundred Million Four Point Eight Eight Percent Two Thousand And Twenty One Senior Note [Member]
USD ($)
Dec. 31, 2011
Seven Hundred Million Four Point Eight Eight Percent Two Thousand And Twenty One Senior Note [Member]
USD ($)
Jun. 30, 2012
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$800 Million 6.25% 2040 Senior Notes [Member]
USD ($)
Jun. 30, 2012
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$400 Million 5.90% 2020 Senior Notes [Member]
USD ($)
Jun. 30, 2012
Revolving Loan [Member]
USD ($)
Dec. 31, 2011
Revolving Loan [Member]
USD ($)
Jun. 30, 2012
Short-term Debt [Member]
USD ($)
Jun. 30, 2012
Short-term Debt [Member]
AUD
Jun. 30, 2012
Letter of Credit [Member]
USD ($)
Dec. 31, 2011
Letter of Credit [Member]
USD ($)
Jun. 30, 2012
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$700 Million 4.875% 2021 Senior Notes [Member]
USD ($)
Jun. 30, 2012
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
Dec. 31, 2011
$500 Million 4.80% 2020 Senior Notes [Member]
USD ($)
Jun. 30, 2012
Series 2008A - Tranche A [Member]
USD ($)
Dec. 31, 2011
Series 2008A - Tranche A [Member]
USD ($)
Jun. 30, 2012
Series 2008A - Tranche B [Member]
USD ($)
Dec. 31, 2011
Series 2008A - Tranche B [Member]
USD ($)
Jun. 30, 2012
Five Hundred Million Four Point Eight Zero Percent Two Thousand And Twenty Senior Note [Member]
USD ($)
Dec. 31, 2011
Five Hundred Million Four Point Eight Zero Percent Two Thousand And Twenty Senior Note [Member]
USD ($)
Debt Instrument [Line Items]                                                      
Type       Variable Variable     Fixed Fixed Fixed Fixed Variable Variable         Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed    
Annual Effective Interest Rate       1.37% 1.40% 4.88%   6.25% 6.25% 5.90% 5.90% 1.20%           4.88% 4.88% 4.80% 4.80% 6.31% 6.31% 6.59% 6.59% 4.80%  
Final Maturity       2016 2016     2040 2040 2020 2020 2016 2016         2021 2021 2020 2020 2013 2013 2015 2015    
Total Face Amount $ 5,422,000,000 $ 5,447,000,000   $ 947,000,000 [1] $ 972,000,000 [1] $ 700,000,000   $ 800,000,000 $ 800,000,000 $ 400,000,000 $ 400,000,000 $ 1,750,000,000 $ 1,750,000,000         $ 700,000,000 $ 700,000,000 $ 500,000,000 $ 500,000,000 $ 270,000,000 $ 270,000,000 $ 55,000,000 $ 55,000,000 $ 500,000,000 $ 500,000,000
Total Debt 3,983,800,000 3,683,500,000   947,000,000 [1] 972,000,000     790,200,000 [2] 790,100,000 398,100,000 [3] 398,000,000 325,000,000 [4]           699,400,000 [5] 699,300,000 499,100,000 [6] 499,100,000 270,000,000 270,000,000 55,000,000 55,000,000    
Long-term Debt, Current Maturities 369,700,000 74,800,000                                                  
Long term debt noncurrent portion 3,614,100,000 3,608,700,000                                                  
Amount of term loan paid down       303,000,000 278,000,000                                            
Current debt 99,700,000 74,800,000                                                  
Unamortized discount           600,000 700,000 9,800,000 9,900,000 1,900,000 2,000,000                             900,000 900,000
Imputed interest rate           4.89%   6.38%   5.98%                               4.83%  
Revolving loans drawn                       325,000,000                              
Amount outstanding                       23,100,000 23,500,000 25,500,000 24,900,000 95,300,000 95,000,000                    
Credit facility remaining capacity                       1,400,000,000 1,730,000,000 15,400,000 15,100,000                        
Debt to earnings ratio 3.5                                                    
Senior notes     270,000,000                                                
EBITA to interest expense 2.5                                                    
Credit facility, amount                           41,000,000 40,000,000                        
Debt maturities in 2012 49,800,000                                                    
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                                                    
[1] As of June 30, 2012 and December 31, 2011, $303.0 million and $278.0 million, respectively, had been paid down on the original $1.25 billion term loan and, of the remaining term loan, $99.7 million and $74.8 million, respectively, was classified as Current portion of debt. The current classification is based upon the principal payment terms of the arrangement requiring principal payments on each three-month anniversary following the funding of the term loan.
[2] As of June 30, 2012 and December 31, 2011, the $800 million 6.25 percent senior notes were recorded at par value of $800 million less unamortized discounts of $9.8 million and $9.9 million, respectively, based on an imputed interest rate of 6.38 percent.
[3] As of June 30, 2012 and December 31, 2011, the $400 million 5.90 percent senior notes were recorded at a par value of $400 million less unamortized discounts of $1.9 million and $2.0 million, respectively, based on an imputed interest rate of 5.98 percent.
[4] As of June 30, 2012 and December 31, 2011, $325.0 million and no revolving loans were drawn under the credit facility, respectively, and the principal amount of letter of credit obligations totaled $23.1 million and $23.5 million for each period, respectively, thereby reducing available borrowing capacity to $1.4 billion and $1.73 billion for each period, respectively.
[5] As of June 30, 2012 and December 31, 2011, the $700 million 4.88 percent senior notes were recorded at a par value of $700 million less unamortized discounts of $0.6 million and $0.7 million, respectively, based on an imputed interest rate of 4.89 percent.
[6] As of June 30, 2012 and December 31, 2011, the $500 million 4.80 percent senior notes were recorded at a par value of $500 million less unamortized discounts of $0.9 million and $0.9 million, respectively, based on an imputed interest rate of 4.83 percent.