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New Accounting Standards (Tables)
3 Months Ended
Dec. 31, 2021
Accounting Changes and Error Corrections [Abstract]  
Accounting Standards Update and Change in Accounting Principle
The company elected to adopt the ASU using the modified retrospective method. The cumulative effect of the changes following implementation on October 1, 2021 was as follows:
Balance at
September 30, 2021
Adjustments Upon Adoption of ASU 2020-06Balance at
October 1, 2021
Liabilities
Long-Term debt$1,008 $23 $1,031 
Equity
Additional paid-in capital$798 $(40)$758 
Retained earnings$935 $17 $952