Contingencies (Details) - 12 months ended Aug. 31, 2023 ¥ in Millions, $ in Millions	CNY (¥) complaint patent	USD ($) complaint patent
Securities Matters | Pending Litigation
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | complaint	1	1
Fujian Jinhua Integrated Circuit Co., Ltd. vs Micron-Complaint 1 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Damages sought on alleged patent infringement | ¥	¥ 98
United Microelectronics Corporation vs Micron-Complaint 1 | Patent Matters | Withdrawn Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Damages sought on alleged patent infringement | ¥	¥ 90
United Microelectronics Corporation vs Micron-Complaint 2 | Patent Matters | Withdrawn Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Damages sought on alleged patent infringement | ¥	¥ 90
Fujian Jinhua Integrated Circuit Co., Ltd. vs Micron-Complaint 2 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Damages sought on alleged patent infringement | ¥	¥ 98
Netlist Inc. vs Micron | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Netlist Inc vs Micron - Complaint 2 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	3	3
Netlist Inc. vs Micron - Complaint 3 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	2	2
Netlist Inc. vs Micron - Complaint 4 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	6	6
Netlist Inc. vs Micron - Complaint 5 | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Netlist Inc. vs Micron - Complaint 5 Amendment | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	2	2
Sonrai Memory, Ltd. vs Micron | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	2	2
Besang, Inc. | Patent Matters | Pending Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed	1	1
Qimonda AG Inotera Share Purchase Proceedings | Dismissed Litigation
Loss Contingencies [Line Items]
Percentage of total Inotera shares subject to litigation (in hundredths)	18.00%	18.00%
Loss contingency, judgment under appeal | $		$ 1
DRAM Purchasers Canada vs Micron | Antitrust Matters | Pending Litigation
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | complaint	6	6