Concentration of Risk and Segment Data - Schedule of Segment Assets (Details) - USD ($) $ in Millions	Aug. 31, 2024	Aug. 31, 2023
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 17,351	$ 19,424
Assets held for sale	0	1,929
Operating Segments | EMS
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	4,384	4,859
Operating Segments | DMS
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	6,387	6,802
Segment Reconciling Items | Held for Sale
Segment Reporting, Asset Reconciling Item [Line Items]
Assets held for sale	0	1,929
Non-allocated Charges
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 6,580	$ 5,834