v3.26.1
Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2025
MAGNERA CORPORATION 401(K) SAVINGS PLAN [Member]  
Related Party Transactions [Abstract]  
Investments in Company Common Stock Through Stock Fund
The Plan provides participants the election of an investment in Magnera Corporation’s common stock through the Stock Fund, a unitized company stock fund. As of December 31, 2025 and 2024, the Plan held common stock issued by the Company as follows:
 
  Years Ended December 31,
   2025   2024 
Shares of Magnera Corporation common stock  8,138   11,383 
Fair value $123,209  $206,829 
The following table sets forth information related to the Plan's investments in the Stock Fund.
 
   Years Ended December 31,
   2025   2024 
Units of the Stock Fund  91,266   128,465 
Per-unit price $1.35  $1.61 
Equivalent shares of Magnera Corporation common stock  8,138   11,383