Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 04, 2021	Feb. 27, 2020	Mar. 04, 2021	Feb. 27, 2020		Sep. 03, 2020
Components of Lease Expense
Amortization of right-of-use assets	$ 17	$ 39	$ 33	$ 79
Interest on lease liabilities	5	5	10	11
Operating lease cost	27	24	54	48
Total lease cost	49	$ 68	97	138
Cash flows used for operating activities
Finance leases			11	12
Operating leases(1)			53	(10)	[1]
Cash flows used for financing activities
Cash flows used for financing activities from financing leases			41	129
Finance leases, noncash acquisitions of right-of-use assets			68	5
Operating leases, noncash acquisitions of right-of-use assets			21	24
Reimbursements received for tenant improvements				$ (48)
Lessee, Finance Lease, Description [Abstract]
Finance lease right-of-use assets (included in property, plant, and equipment)	$ 461		$ 461			$ 426
Finance leases, Weighted-average remaining lease term (in years)	5 years		5 years			5 years
Finance leases, Weighted-average discount rate	4.09%		4.09%			4.51%
Lessee, Operating Lease, Description [Abstract]
Operating leases, Weighted-average remaining lease term (in years)	7 years		7 years			7 years
Operating leases, Weighted-average discount rate	2.63%		2.63%			2.67%
Finance Lease Maturities
Remainder of 2021	$ 48		$ 48
2022	98		98
2023	86		86
2024	61		61
2025	45		45
2026 and thereafter	286		286
Less imputed interest	(102)		(102)
Finance Lease Liability	522		522			$ 486
Operating Lease Maturities
Remainder of 2021	33		33
2022	73		73
2023	68		68
2024	60		60
2025	49		49
2026 and thereafter	415		415
Less imputed interest	(114)		(114)
Operating Lease Liability	584		584
Operating Leases Not yet Commenced
Payment obligations	$ 147		$ 147
Lease term	10 years		10 years
Minimum lease period			3 years
Renewal term	10 years		10 years
Finance Lease Not yet Commenced
Payment obligations	$ 807		$ 807
Weighted Average
Lessee, Lease, Description [Line Items]
Lease term	15 years		15 years
Finance Lease Not yet Commenced
Lease term	15 years		15 years

[1] (1) Included $48 million of reimbursements received for tenant improvements for the six months ended February 27, 2020.