N-6 |
Aug. 13, 2026 |
|---|---|
| Prospectus: | |
| Document Type | N-6 |
| Entity Registrant Name | NEW YORK LIFE INS & ANNUITY CORP VAR UNIV LIFE SEP ACC I |
| Entity Central Index Key | 0000906982 |
| Entity Investment Company Type | N-6 |
| Document Period End Date | Aug. 13, 2026 |
| Amendment Flag | false |
| Market Wealth Plus | |
| Item 2. Key Information [Line Items] | |
| Item 18. Portfolio Companies (N-6) [Text Block] | Effective August 1, 2026, all references to The Putnam Advisory Company, LLC as a subadviser to the Putnam VT International Value Fund – Class IA were deleted and replaced with Templeton Asset Management Ltd. |
| Market Wealth Plus | Putnam VT International Value Fund - Class IA | |
| Item 2. Key Information [Line Items] | |
| Portfolio Company Subadviser [Text Block] | Templeton Asset Management Ltd |