Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) (Details) - MAGNERA CORPORATION 401(K) SAVINGS PLAN [Member] |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) [Abstract] | |
| Plan Name | Magnera Corporation 401(k) Savings Plan |
| Employer Idnetification Number | 23-0628360 |
| Plan Number | 017 |
| X | ||||||||||
- Definition The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Name of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|