XML 50 R86.htm IDEA: XBRL DOCUMENT v3.3.0.814
LONG-TERM DEBT (Summary of Debt) (Details) - USD ($)
$ in Millions
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2012
Debt Instrument [Line Items]      
Capital lease obligation $ 17 $ 26  
Unamortized discount on convertible notes (30) (52)  
Long-term Debt and Capital Lease Obligations 1,051 955  
Less: current maturities (15) (7)  
Long-term debt [1] 1,036 948  
Unamortized issuance costs $ 10 $ 13  
4.625 percent convertible notes due 2026      
Debt Instrument [Line Items]      
Stated interest rate 4.625% 4.625%  
4.0 percent convertible notes due 2027      
Debt Instrument [Line Items]      
Stated interest rate 4.00% 4.00%  
Unamortized issuance costs $ 1 $ 2  
7.875 percent convertible notes due 2026      
Debt Instrument [Line Items]      
Unamortized discount on convertible notes $ (10) $ (21)  
Stated interest rate 7.875% 7.875%  
Unamortized issuance costs $ 3 $ 5  
6.75 percent notes due 2021      
Debt Instrument [Line Items]      
Debt $ 270 $ 270  
Stated interest rate 6.75% 6.75%  
Unamortized issuance costs $ 5 $ 5  
6.25 percent notes due 2024      
Debt Instrument [Line Items]      
Debt $ 442 $ 220  
Stated interest rate 6.25% 6.25%  
Export financing arrangements      
Debt Instrument [Line Items]      
Debt $ 18 $ 31  
Unamortized discount on convertible notes      
Debt Instrument [Line Items]      
Unamortized discount on convertible notes (20) (31)  
Convertible Notes      
Debt Instrument [Line Items]      
Unamortized discount on convertible notes (20)    
Unamortized issuance costs 17    
Convertible Notes | 4.625 percent convertible notes due 2026      
Debt Instrument [Line Items]      
Debt $ 55 55 $ 300
Stated interest rate 4.625%    
Convertible Notes | 4.0 percent convertible notes due 2027      
Debt Instrument [Line Items]      
Debt $ 142 $ 160  
Stated interest rate 4.00% 4.00%  
Convertible Notes | 7.875 percent convertible notes due 2026      
Debt Instrument [Line Items]      
Debt $ 127 $ 224  
Stated interest rate 7.875%    
[1] Prior year amounts have been recast to reflect the early adoption of ASU 2015-03, Interest — Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs.