Basis of Presentation and Accounting Policies (Policies)	6 Months Ended
Mar. 31, 2023
Accounting Policies [Abstract]
Receivables	ReceivablesWe record an allowance for doubtful accounts based on customer-specific analysis and general matters such as current assessments of past due balances and economic conditions. Receivables are recorded net of an allowance for doubtful accounts
Recently Adopted Accounting Pronouncements	Recently Adopted Accounting Pronouncements In October 2021, the Financial Accounting Standards Board (FASB) issued a new standard that requires companies to apply Accounting Standards Codification (ASC) 606 to recognize and measure contract assets and contract liabilities in a business combination. We retroactively adopted the new standard as of October 1, 2021. The adoption of this standard did not have a material impact on our Consolidated Financial Statements. Recently Issued Accounting Pronouncements In September 2022, the FASB issued a new standard, which requires the buyer in a supplier finance program to disclose information about the key terms of the program, outstanding confirmed amounts as of the end of the period, a rollforward of such amounts during each annual period, and a description of where in the financial statements outstanding amounts are presented. We are currently assessing the impact of this standard on our financial statement disclosures. We do not expect any other recently issued accounting pronouncements to have a material impact on our Consolidated Financial Statements and related disclosures.
Income Taxes	Income TaxesAt the end of each interim period, we estimate a base effective tax rate that we expect for the full year based on our most recent forecast of pre-tax income, permanent book and tax differences, and global tax planning strategies. We use this base rate to provide for income taxes on a year-to-date basis, excluding the effect of significant unusual items and items that are reported net of their related tax effects in the period in which they occur.

Basis of Presentation and Accounting Policies (Policies)

6 Months Ended

Mar. 31, 2023

ReceivablesWe record an allowance for doubtful accounts based on customer-specific analysis and general matters such as current assessments of past due balances and economic conditions. Receivables are recorded net of an allowance for doubtful accounts

Recently Adopted Accounting Pronouncements

In October 2021, the Financial Accounting Standards Board (FASB) issued a new standard that requires companies to apply Accounting Standards Codification (ASC) 606 to recognize and measure contract assets and contract liabilities in a business combination. We retroactively adopted the new standard as of October 1, 2021. The adoption of this standard did not have a material impact on our Consolidated Financial Statements.

Recently Issued Accounting Pronouncements

In September 2022, the FASB issued a new standard, which requires the buyer in a supplier finance program to disclose information about the key terms of the program, outstanding confirmed amounts as of the end of the period, a rollforward of such amounts during each annual period, and a description of where in the financial statements outstanding amounts are presented. We are currently assessing the impact of this standard on our financial statement disclosures.

We do not expect any other recently issued accounting pronouncements to have a material impact on our Consolidated Financial Statements and related disclosures.

Income Taxes

Income TaxesAt the end of each interim period, we estimate a base effective tax rate that we expect for the full year based on our most recent forecast of pre-tax income, permanent book and tax differences, and global tax planning strategies. We use this base rate to provide for income taxes on a year-to-date basis, excluding the effect of significant unusual items and items that are reported net of their related tax effects in the period in which they occur.