Debt - MMJ Creditor Payments (Details) ¥ in Millions, $ in Millions	Aug. 30, 2018 JPY (¥) payment	Aug. 30, 2018 USD ($) payment		Aug. 31, 2017 USD ($)
MMJ Creditor Payments
Debt | $		$ 4,636	[1]	$ 11,134	[1]
Reorganization obligation
MMJ Creditor Payments
Debt | $		$ 492		$ 631
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	¥ (3,186)	$ (28)
Debt	54,926	492
Reorganization obligation | Micron Memory Japan, Inc. | Scenario, Plan
MMJ Creditor Payments
2019	36,392	326
2020	21,720	194
Estimated Remaining Reorganization Payments to Third Party Creditors	¥ 58,112	$ 520
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 30, 2018 and August 31, 2017 included $132 million and $31 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 $35 million and $16 million, respectively.