Income Taxes - Schedule of Tax Carryforwards and Operating Loss Carryforwards (Details) $ in Millions	Aug. 31, 2024 USD ($)
Domestic - federal
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	$ 41
Domestic - federal | Tax capital loss carryforwards:
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	100
Domestic - state
Operating Loss Carryforwards [Line Items]
Income tax net operating loss carryforwards	56
Tax credit carryforwards	4
Foreign
Operating Loss Carryforwards [Line Items]
Income tax net operating loss carryforwards	592
Tax credit carryforwards	$ 9