Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 30, 2020	Sep. 01, 2019
Leases [Abstract]
Operating lease, right-of-use assets	$ 2,788	$ 0
Finance Lease, Right-of-Use Asset	592
COST_OperatingLeaseandFinanceLeaserightofuseassets	3,380
Operating Lease, Liability, Current	231
Finance Lease, Liability, Current	31
Long-term operating lease liabilities	2,558	0
Finance Lease, Liability, Noncurrent	657
OperatingLeaseandFinanceLeaseLiabilities	$ 3,477
Operating Lease, Weighted Average Remaining Lease Term	21 years
Finance Lease, Weighted Average Remaining Lease Term	20 years
Operating Lease, Weighted Average Discount Rate, Percent	2.23%
Finance Lease, Weighted Average Discount Rate, Percent	6.34%
Operating Lease, Cost	$ 252
Finance Lease, Right-of-Use Asset, Amortization	31
Finance Lease, Interest Expense	33
Variable Lease, Cost	87
Lease, Cost	403
Operating Lease, Payments	258
Finance Lease, Interest Payment on Liability	33
Finance Lease, Principal Payments	49
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	354
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	317
Lessee, Operating Lease, Liability, to be Paid, Year One	273
Lessee, Operating Lease, Liability, Payments, Due Year Two	253
Lessee, Operating Lease, Liability, Payments, Due Year Three	246
Lessee, Operating Lease, Liability, Payments, Due Year Four	212
Lessee, Operating Lease, Liability, Payments, Due Year Five	176
Lessee, Operating Lease, Liability, Payments, Due after Year Five	2,410
Lessee, Operating Lease, Liability, Payments, Due	3,570
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	781
Operating Lease, Liability	2,789
Finance Lease, Liability, Payments, Due Next Twelve Months	61
Finance Lease, Liability, Payments, Due Year Two	62
Finance Lease, Liability, Payments, Due Year Three	66
Finance Lease, Liability, Payments, Due Year Four	63
Finance Lease, Liability, Payments, Due Year Five	134
Finance Lease, Liability, Payments, Due after Year Five	742
Finance Lease, Liability, Payment, Due	1,128
Finance Lease, Liability, Undiscounted Excess Amount	440
Finance Lease, Liability	688
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals	101	105
LesseeOperatingandFinancingLeasesNotYetCommenced	$ 280
Operating Leases, Future Minimum Payments Due, Next Twelve Months		239
Operating Leases, Future Minimum Payments, Due in Two Years		229
Operating Leases, Future Minimum Payments, Due in Three Years		202
Operating Leases, Future Minimum Payments, Due in Four Years		193
Operating Leases, Future Minimum Payments, Due in Five Years		181
Operating Leases, Future Minimum Payments, Due Thereafter		2,206
Operating Leases, Future Minimum Payments Due		3,250
Capital Leases, Future Minimum Payments Due, Next Twelve Months		51
Capital Leases, Future Minimum Payments Due in Two Years		53
Capital Leases, Future Minimum Payments Due in Three Years		38
Capital Leases, Future Minimum Payments Due in Four Years		39
Capital Leases, Future Minimum Payments Due in Five Years		39
Capital Leases, Future Minimum Payments Due Thereafter		544
Capital Leases, Future Minimum Payments Due		764
Capital Leases, Future Minimum Payments, Interest Included in Payments		343
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments		$ 421