Restructuring, Severance and Related Charges - Liability Activity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2025	Feb. 29, 2024
Restructuring Reserve [Roll Forward]
Restructuring related charges	$ 45	$ 70	$ 128	$ 197
Employee Severance and Benefit Costs
Restructuring Reserve [Roll Forward]
Restructuring related charges	18	28	45	123
Lease Costs
Restructuring Reserve [Roll Forward]
Restructuring related charges	1	1	4	1
Asset Write-off Costs
Restructuring Reserve [Roll Forward]
Restructuring related charges	4	33	27	$ 55
Other Related Costs
Restructuring Reserve [Roll Forward]
Restructuring related charges	22	$ 8
2025 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			116
Asset write-off charge and other non-cash activity			(43)
Cash payments			(39)
Ending balance	34		34
2025 Restructuring Plan | Employee Severance and Benefit Costs
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			44
Asset write-off charge and other non-cash activity			0
Cash payments			(28)
Ending balance	16		16
2025 Restructuring Plan | Lease Costs
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			3
Asset write-off charge and other non-cash activity			0
Cash payments			(3)
Ending balance	0		0
2025 Restructuring Plan | Asset Write-off Costs
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			21
Asset write-off charge and other non-cash activity			(21)
Cash payments			0
Ending balance	0		0
2025 Restructuring Plan | Other Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			48
Asset write-off charge and other non-cash activity			(22)
Cash payments			(8)
Ending balance	18		18
2024 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance			72
Restructuring related charges			12
Asset write-off charge and other non-cash activity			(6)
Cash payments			(50)
Ending balance	28		28
2024 Restructuring Plan | Employee Severance and Benefit Costs
Restructuring Reserve [Roll Forward]
Beginning balance			66
Restructuring related charges			1
Asset write-off charge and other non-cash activity			0
Cash payments			(44)
Ending balance	23		23
2024 Restructuring Plan | Lease Costs
Restructuring Reserve [Roll Forward]
Beginning balance			1
Restructuring related charges			1
Asset write-off charge and other non-cash activity			0
Cash payments			0
Ending balance	2		2
2024 Restructuring Plan | Asset Write-off Costs
Restructuring Reserve [Roll Forward]
Beginning balance			0
Restructuring related charges			6
Asset write-off charge and other non-cash activity			(6)
Cash payments			0
Ending balance	0		0
2024 Restructuring Plan | Other Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance			5
Restructuring related charges			4
Asset write-off charge and other non-cash activity			0
Cash payments			(6)
Ending balance	$ 3		$ 3