Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001804220-24-000040-index-headers.html | 2024-10-31 07:16:48 | |
| 0001804220-24-000040-index.html | 2024-10-31 07:16:48 | |
| 0001804220-24-000040.txt | 2024-10-31 07:16:48 | |
 0001804220-24-000040-xbrl.zip | 287020 | 2024-10-31 07:16:48 |
| FilingSummary.xml | 32977 | 2024-10-31 07:16:48 |
| Financial_Report.xlsx | 89039 | 2024-10-31 07:16:48 |
| MetaLinks.json | 752678 | 2024-10-31 07:16:48 |
| R1.htm | 55395 | 2024-10-31 07:16:48 |
| R10.htm | 33975 | 2024-10-31 07:16:48 |
| R11.htm | 95909 | 2024-10-31 07:16:48 |
| R12.htm | 71981 | 2024-10-31 07:16:48 |
| R13.htm | 13149 | 2024-10-31 07:16:48 |
| R14.htm | 9020 | 2024-10-31 07:16:48 |
| R15.htm | 19213 | 2024-10-31 07:16:48 |
| R16.htm | 21506 | 2024-10-31 07:16:48 |
| R17.htm | 90329 | 2024-10-31 07:16:48 |
| R18.htm | 15344 | 2024-10-31 07:16:48 |
| R19.htm | 38169 | 2024-10-31 07:16:48 |
| R2.htm | 107564 | 2024-10-31 07:16:48 |
| R20.htm | 11939 | 2024-10-31 07:16:48 |
| R21.htm | 89436 | 2024-10-31 07:16:48 |
| R22.htm | 91222 | 2024-10-31 07:16:48 |
| R23.htm | 35124 | 2024-10-31 07:16:48 |
| R24.htm | 99873 | 2024-10-31 07:16:48 |
| R25.htm | 66075 | 2024-10-31 07:16:48 |
| R26.htm | 13637 | 2024-10-31 07:16:48 |
| R27.htm | 13580 | 2024-10-31 07:16:48 |
| R28.htm | 31742 | 2024-10-31 07:16:48 |
| R29.htm | 53106 | 2024-10-31 07:16:48 |
| R3.htm | 28314 | 2024-10-31 07:16:48 |
| R30.htm | 32701 | 2024-10-31 07:16:48 |
| R31.htm | 7361 | 2024-10-31 07:16:48 |
| R32.htm | 11962 | 2024-10-31 07:16:48 |
| R33.htm | 22987 | 2024-10-31 07:16:48 |
| R34.htm | 27177 | 2024-10-31 07:16:48 |
| R35.htm | 11541 | 2024-10-31 07:16:48 |
| R36.htm | 22273 | 2024-10-31 07:16:48 |
| R37.htm | 11472 | 2024-10-31 07:16:48 |
| R38.htm | 17348 | 2024-10-31 07:16:48 |
| R39.htm | 11471 | 2024-10-31 07:16:48 |
| R4.htm | 98963 | 2024-10-31 07:16:48 |
| R40.htm | 44756 | 2024-10-31 07:16:48 |
| R41.htm | 7175 | 2024-10-31 07:16:48 |
| R42.htm | 35687 | 2024-10-31 07:16:48 |
| R43.htm | 14010 | 2024-10-31 07:16:48 |
| R44.htm | 40492 | 2024-10-31 07:16:48 |
| R45.htm | 78726 | 2024-10-31 07:16:48 |
| R46.htm | 24154 | 2024-10-31 07:16:48 |
| R47.htm | 14072 | 2024-10-31 07:16:48 |
| R48.htm | 4921 | 2024-10-31 07:16:48 |
| R49.htm | 15601 | 2024-10-31 07:16:48 |
| R5.htm | 115007 | 2024-10-31 07:16:48 |
| R50.htm | 7717 | 2024-10-31 07:16:48 |
| R51.htm | 11436 | 2024-10-31 07:16:48 |
| R52.htm | 7052 | 2024-10-31 07:16:48 |
| R53.htm | 7551 | 2024-10-31 07:16:48 |
| R6.htm | 79507 | 2024-10-31 07:16:48 |
| R7.htm | 9590 | 2024-10-31 07:16:48 |
| R8.htm | 43853 | 2024-10-31 07:16:48 |
| R9.htm | 70725 | 2024-10-31 07:16:48 |
| regn-20240930.htm | 2243972 | 2024-10-31 07:16:48 |
| regn-20240930.xsd | 39334 | 2024-10-31 07:16:48 |
| regn-20240930_cal.xml | 64575 | 2024-10-31 07:16:48 |
| regn-20240930_def.xml | 241126 | 2024-10-31 07:16:48 |
| regn-20240930_htm.xml | 1230570 | 2024-10-31 07:16:48 |
| regn-20240930_lab.xml | 504142 | 2024-10-31 07:16:48 |
| regn-20240930_pre.xml | 374152 | 2024-10-31 07:16:48 |
| regn-ex_101x9302024x10q.htm | 23217 | 2024-10-31 07:16:48 |
| regn-ex_311x09302024x10q.htm | 12004 | 2024-10-31 07:16:48 |
| regn-ex_312x09302024x10q.htm | 12070 | 2024-10-31 07:16:48 |
| regn-ex_32x09302024.htm | 6869 | 2024-10-31 07:16:48 |
| report.css | 2767 | 2024-10-31 07:16:48 |
| Show.js | 1085 | 2024-10-31 07:16:48 |