Income Taxes	6 Months Ended
Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesFor the three months ended March 31, 2021, and 2020 the company recognized tax expense of $22 million and $73 million, respectively. This resulted in effective tax rates of 25% and 23%, respectively. For the six months ended March 31, 2021 and 2020, the company recognized tax expense of $29 million and $86 million, respectfully. This resulted in an effective tax rate of 23% for both periods.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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