Income Taxes	6 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes New U.S. tax legislation, which is commonly referred to as the Tax Cuts and Jobs Act (the "Act"), was enacted on December 22, 2017. Upon completing its accounting for the tax effects of the Act during fiscal year 2019, the Company recognized a net charge of $10 million, which is reflected in the Company's consolidated statement of income within Income tax (benefit) provision, to adjust its one-time transition tax liability for all of its foreign subsidiaries. The Company also recorded charges to Income tax (benefit) provision during fiscal year 2019 of $7 million and $2 million, respectively, to adjust the Company's reevaluation of the permanent reinvestment assertion regarding foreign earnings and its re-measurement of deferred tax balances.

Income Taxes

6 Months Ended

Mar. 31, 2019

New U.S. tax legislation, which is commonly referred to as the Tax Cuts and Jobs Act (the "Act"), was enacted on December 22, 2017. Upon completing its accounting for the tax effects of the Act during fiscal year 2019, the Company recognized a net charge of $10 million, which is reflected in the Company's consolidated statement of income within Income tax (benefit) provision, to adjust its one-time transition tax liability for all of its foreign subsidiaries. The Company also recorded charges to Income tax (benefit) provision during fiscal year 2019 of $7 million and $2 million, respectively, to adjust the Company's reevaluation of the permanent reinvestment assertion regarding foreign earnings and its re-measurement of deferred tax balances.