XML 34 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 8 - Debt (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Long-term Debt      
Total long-term debt $ 4,105,000,000   $ 4,106,000,000
Short-term Debt      
Capital lease obligations, current 9,000,000   11,000,000
Total short-term debt 411,000,000   413,000,000
Total debt 4,516,000,000   4,519,000,000
Capital Lease Obligations      
Gross capital lease obligations 15,000,000    
Imputed interest (1,000,000)    
Total present value of future minimum capital lease payments 14,000,000    
Commercial Paper [Member]
     
Commercial Paper      
Commercial paper program amount 2,000,000,000    
Maximum days to maturity of debt instruments 397 days    
Credit Agreement      
Commercial paper program amount 2,000,000,000    
Commercial Paper [Member] | Notes 2013 [Member]
     
Long-term Debt      
Effective Interest Rate 1.078%   1.078%
Debt Instrument, Interest Rate, Stated Percentage 0.875%    
Short-term Debt      
Short-term debt 400,000,000   400,000,000
Notes Payable, Other Payables [Member]
     
Short-term Debt      
Short-term debt 2,000,000   2,000,000
Line of Credit [Member]
     
Credit Agreement      
Borrowings outstanding 0    
Letters of credit outstanding 0    
Maximum borrowing capacity on unsecured revolving credit facility 3,000,000,000    
Available borrowing capacity 2,000,000,000    
Line of credit facility remaining borrowing capacity 1,000,000,000    
Unsecured Debt [Member]
     
Long-term Debt      
Long-term debt 4,088,000,000   4,087,000,000
Senior Notes      
Interest expense 26,000,000 8,000,000  
Unsecured Debt [Member] | Notes 2015 - October [Member]
     
Long-term Debt      
Long-term debt 599,000,000   599,000,000
Effective Interest Rate 1.805%   1.805%
Debt Instrument, Interest Rate, Stated Percentage 1.625%    
Unsecured Debt [Member] | Notes 2015 - July [Member]
     
Long-term Debt      
Long-term debt 250,000,000   250,000,000
Effective Interest Rate 0.82%   0.82%
Debt Instrument, Interest Rate, Stated Percentage 0.70%    
Unsecured Debt [Member] | Notes 2017 [Member]
     
Long-term Debt      
Long-term debt 999,000,000   999,000,000
Effective Interest Rate 1.456%   1.456%
Debt Instrument, Interest Rate, Stated Percentage 1.35%    
Unsecured Debt [Member] | Notes 2020 - October [Member]
     
Long-term Debt      
Long-term debt 498,000,000   498,000,000
Effective Interest Rate 3.389%    
Debt Instrument, Interest Rate, Stated Percentage 3.25%    
Unsecured Debt [Member] | Notes 2022 [Member]
     
Long-term Debt      
Long-term debt 999,000,000   999,000,000
Effective Interest Rate 2.678%   2.678%
Debt Instrument, Interest Rate, Stated Percentage 2.60%    
Unsecured Debt [Member] | Notes 2042 [Member]
     
Long-term Debt      
Long-term debt 743,000,000   742,000,000
Effective Interest Rate 4.114%   4.114%
Debt Instrument, Interest Rate, Stated Percentage 4.00%    
Unsecured Debt [Member] | Significant Other Observable Inputs (Level 2)
     
Senior Notes      
Estimated fair value of notes included in long-term debt 4,100,000,000    
Notes Payable, Other Payables [Member]
     
Long-term Debt      
Long-term debt 12,000,000   13,000,000
Capital Lease Obligations [Member]
     
Long-term Debt      
Long-term debt $ 5,000,000   $ 6,000,000
Capital Lease Obligations      
Interest rate, minimum 3.00%    
Interest rate, maximum 9.00%    
Mortgages [Member]
     
Long-term Debt      
Debt Instrument, Interest Rate, Stated Percentage 6.30%