Enterprise-wide Disclosures and Concentration of Business - Long-Lived Net Property, Equipment and Technology Assets Classified by Major Geographic Area (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total	$ 1,843	$ 1,882
U.S.
Segment Reporting Information [Line Items]
Total	1,312	1,286
International
Segment Reporting Information [Line Items]
Total	$ 531	$ 596