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Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 16, 2020 | Feb. 16, 2020 | Sep. 01, 2019
Lessee, Lease, Description [Line Items] |  |  |
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals | $ 101 | $ 101 | $ 105
Operating Leases, Future Minimum Payments Receivable, Current |  |  | 239
Finance Lease, Liability, Payments, Due Next Twelve Months |  |  | 51
Operating Lease, Weighted Average Remaining Lease Term | 22 years | 22 years |
Operating Lease, Payments |  | $ 93 |
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year | $ 120 | 120 |
Finance Lease, Liability, Payments, Remainder of Fiscal Year | 23 | 23 |
Operating Lease, Cost | 51 | 102 |
Operating Lease, Right-of-Use Asset | 2,596 | 2,596 | 0
Finance Lease, Right-of-Use Asset | 523 | 523 |
Operating Lease, Liability, Current | 168 | 168 |
Finance Lease, Liability, Current | 18 | 18 |
Operating Lease, Liability, Noncurrent | 2,446 | 2,446 | 0
Finance Lease, Liability, Noncurrent | 544 | 544 |
Finance Lease, Right-of-Use Asset, Amortization | 4 | 8 |
Finance Lease, Interest Expense | 8 | 15 |
Variable Lease, Cost | 22 | 36 |
Lease, Cost | 85 | 161 |
Lessee, Operating Lease, Liability, Payments, Due Year Two | 220 | 220 |
Finance Lease, Liability, Payments, Due Year Two | 47 | 47 | 53
Lessee, Operating Lease, Liability, Payments, Due Year Three | 212 | 212 |
Finance Lease, Liability, Payments, Due Year Three | 47 | 47 | 38
Lessee, Operating Lease, Liability, Payments, Due Year Four | 219 | 219 |
Finance Lease, Liability, Payments, Due Year Four | 51 | 51 | 39
Lessee, Operating Lease, Liability, Payments, Due Year Five | 194 | 194 |
Finance Lease, Liability, Payments, Due Year Five | 47 | 47 | 39
Lessee, Operating Lease, Liability, Payments, Due after Year Five | 2,462 | 2,462 |
Finance Lease, Liability, Payments, Due after Year Five | 723 | 723 | 544
Lessee, Operating Lease, Liability, Payments, Due | 3,427 | 3,427 |
Finance Lease, Liability, Payment, Due | 938 | 938 | 764
Lessee, Operating Lease, Liability, Undiscounted Excess Amount | 813 | 813 |
Finance Lease, Liability, Undiscounted Excess Amount | 376 | 376 | 343
Operating Lease, Liability | 2,614 | 2,614 |
Finance Lease, Liability | $ 562 | 562 | 421
Finance Lease, Interest Payment on Liability |  | 15 |
Finance Lease, Principal Payments |  | $ 34 |
Finance Lease, Weighted Average Remaining Lease Term | 19 years | 19 years |
Operating Lease, Weighted Average Discount Rate, Percent | 2.24% | 2.24% |
Finance Lease, Weighted Average Discount Rate, Percent | 7.24% | 7.24% |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  | $ 47 |
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
COST_OperatingLeaseandFinanceLeaseLiabilities | $ 3,176 | 3,176 |
COST_OperatingLeaseandFinanceLeaserightofuseassets | 3,119 | 3,119 |
COST_LesseeOperatingLeaseNotYetCommenced | $ 185 | 185 |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability |  | $ 167 |

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