XML 50 R36.htm IDEA: XBRL DOCUMENT v3.21.1
Long-Term Debt (Tables)
6 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
Long-Term debt, net of discounts where applicable, is summarized as follows (in millions):
March 31,
2021
September 30,
2020
3.25 percent convertible notes due 2037
$321 $320 
7.875 percent convertible notes due 2026
— 23 
4.50 percent notes due 2028
270 — 
6.25 percent notes due 2025
296 295 
6.25 percent notes due 2024
174 446 
Term loan due 2024159 166 
Finance lease obligation10 
Unamortized discount on convertible notes(27)(29)
Subtotal1,203 1,227 
Less: current maturities(17)(39)
Long-term debt$1,186 $1,188 
Schedule of Debt Instrument Redemption Notes to be redeemed, if redeemed during the 12-month period beginning on December 15 of the years indicated below:

YearRedemption Price
2023102.250 %
2024101.125 %
2025 and thereafter100.000 %