Cover
Cover | 6 Months Ended | |
Nov. 08, 2023 | Sep. 30, 2023 | |
Cover [Abstract] | ||
Document Type | 6-K | |
Entity Central Index Key | 0001973239 | |
Document Fiscal Year Focus | 2024 | |
Document Period End Date | Nov. 08, 2023 | |
Amendment Flag | false | |
Entity Registrant Name | ARM HOLDINGS PLC /UK | |
Document Fiscal Period Focus | Q2 | |
Current Fiscal Year End Date | --03-31 |