Debt - MMJ Creditor Payments (Details) ¥ in Millions, $ in Millions	Aug. 29, 2019 USD ($) payment		Aug. 29, 2019 JPY (¥) payment	Aug. 30, 2018 USD ($)
MMJ Creditor Payments
Debt | $	$ 5,851	[1]		$ 4,636	[1]
Reorganization obligation
MMJ Creditor Payments
Debt | $	$ 198			$ 492
Reorganization obligation | Micron Memory Japan, Inc.
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Total MMJ Creditor Payments | ¥			¥ 200,000
Number of periodic MMJ creditor installment payments	7		7
MMJ Creditor Payments
Less unamortized discount	$ (8)		¥ (709)
Debt	198		21,048
Reorganization obligation | Micron Memory Japan, Inc. | Scenario, Plan
MMJ Creditor Payments
2020	$ 206		¥ 21,757
Reorganization obligation | Micron Memory Japan, Inc. | Secured Creditors
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of periodic MMJ creditor installment payments	6		6
Recovery Rate of Reorganization Plan Creditors	100.00%		100.00%
Reorganization obligation | Micron Memory Japan, Inc. | Unsecured Creditors
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Number of periodic MMJ creditor installment payments	7		7
Reorganization obligation | Micron Memory Japan, Inc. | Unsecured Creditors | Minimum
Troubled Debt Restructuring, Debtor, Subsequent Periods [Line Items]
Recovery Rate of Reorganization Plan Creditors	17.40%		17.40%

[1] Net carrying amount is the principal amount less unamortized debt discount and issuance costs. In addition, the net carrying amount as of August 29, 2019 and August 30, 2018 included $135 million and $132 million, respectively, of derivative debt liabilities recognized as a result of our election to settle entirely in cash converted notes with an aggregate principal amount of $44 million and $35 million, respectively.