Leases - Cost and Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 02, 2021	Dec. 03, 2020	Sep. 02, 2021
Components of Lease Expense
Amortization of right-of-use asset	$ 25	$ 16
Interest on lease liability	6	5
Operating lease cost	29	27
Total lease cost	60	48
Cash flows used for operating activities
Finance leases	5	6
Operating leases	27	27
Cash flows used for financing activities
Cash flows used for financing activities from financing leases	20	21
Finance leases, noncash acquisitions of right-of-use assets	198	61
Operating leases, noncash acquisitions of right-of-use assets	39	$ 7
Lessee, Finance Lease, Description [Abstract]
Finance lease right-of-use assets (included in property, plant, and equipment and assets held for sale)	$ 886		$ 766
Finance leases, Weighted-average remaining lease term (in years)	6 years		5 years
Finance leases, Weighted-average discount rate	2.69%		3.14%
Lessee, Operating Lease, Description [Abstract]
Current operating lease liabilities (included in accounts payable and accrued expenses)	$ 58		$ 55
Operating Lease Liability, Balance Sheet Location	Accounts payable and accrued expenses		Accounts payable and accrued expenses
Operating leases, Weighted-average remaining lease term (in years)	7 years		7 years
Operating leases, Weighted-average discount rate	2.63%		2.63%