v3.26.1
INVESTMENTS - Schedule of Master Trust Net Assets (Details) - EBP 011 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Liabilities:    
NET ASSETS AVAILABLE FOR BENEFITS $ 6,906,718,000 $ 5,951,872,000
Master Trust Balances    
At fair value:    
Total investments at fair value 6,568,083,000 5,644,890,000
At contract value:    
Total investments at contract value 671,822,000 687,944,000
Receivables:    
Pending receivable 40,687,000 37,618,000
Accrued balance 421,000 382,000
Receivables 41,108,000 38,000,000
Total assets 7,281,013,000 6,370,834,000
Liabilities:    
Accrued expenses 749,000 497,000
Total liabilities 749,000 497,000
NET ASSETS AVAILABLE FOR BENEFITS 7,280,264,000 6,370,337,000
Master Trust Balances | Short-term investment funds    
At fair value:    
Total investments at fair value 21,639,000 21,658,000
Master Trust Balances | HII common stock    
At fair value:    
Total investments at fair value 274,356,000 181,010,000
Master Trust Balances | Collective trust funds    
At fair value:    
Total investments at fair value 5,820,851,000 5,040,576,000
Master Trust Balances | Schwab Personal Choice Retirement Account    
At fair value:    
Total investments at fair value 451,237,000 401,646,000
Master Trust Balances | Synthetic guaranteed investment contracts    
At contract value:    
Total investments at contract value 671,822,000 687,944,000
Plan's Interest in Master Trust Balances    
At fair value:    
Total investments at fair value 6,117,542,000 5,157,264,000
At contract value:    
Total investments at contract value 635,066,000 649,062,000
Receivables:    
Pending receivable 40,687,000 37,618,000
Accrued balance 0 0
Receivables 40,687,000 37,618,000
Total assets 6,793,295,000 5,843,944,000
Liabilities:    
Accrued expenses 749,000 463,000
Total liabilities 749,000 463,000
NET ASSETS AVAILABLE FOR BENEFITS 6,792,546,000 5,843,481,000
Plan's Interest in Master Trust Balances | Short-term investment funds    
At fair value:    
Total investments at fair value 20,472,000 20,451,000
Plan's Interest in Master Trust Balances | HII common stock    
At fair value:    
Total investments at fair value 269,049,000 176,610,000
Plan's Interest in Master Trust Balances | Collective trust funds    
At fair value:    
Total investments at fair value 5,376,784,000 4,558,557,000
Plan's Interest in Master Trust Balances | Schwab Personal Choice Retirement Account    
At fair value:    
Total investments at fair value 451,237,000 401,646,000
Plan's Interest in Master Trust Balances | Synthetic guaranteed investment contracts    
At contract value:    
Total investments at contract value $ 635,066,000 $ 649,062,000