v3.26.1
Investments - Schedule of Net Assets (Details) - EBP QACA - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Master Trust [Line Items]    
Non-interest bearing accounts $ 0 $ 100,722,129
Net assets available for benefits 8,696,840,656 7,918,041,830
Investments in Master Trust at fair value 8,013,334,108 7,094,465,848
Master Trust Balances    
EBP, Master Trust [Line Items]    
Investments, at fair value 24,610,713,439 21,345,771,680
Investments, at contract value 1,881,240,870 2,067,192,778
Non-interest bearing accounts 1,154,463 1,297,855
Net pending trades payables and interest receivable (2,793,266) (10,794,865)
Net assets available for benefits 26,490,315,506 23,403,467,448
Master Trust Balances | Participant-directed brokerage accounts    
EBP, Master Trust [Line Items]    
Investments, at fair value 1,434,789,053 1,184,207,393
Master Trust Balances | General Dynamics Corporation common stock    
EBP, Master Trust [Line Items]    
Investments, at fair value 4,620,991,283 3,946,210,540
Master Trust Balances | Investments in other equity securities    
EBP, Master Trust [Line Items]    
Investments, at fair value 1,949,909,396 2,147,981,194
Master Trust Balances | Registered investment companies    
EBP, Master Trust [Line Items]    
Investments, at fair value 159,953,112 217,045,032
Master Trust Balances | Interest bearing cash    
EBP, Master Trust [Line Items]    
Investments, at fair value 59,218,212 54,350,752
Master Trust Balances | Overnight deposit accounts    
EBP, Master Trust [Line Items]    
Investments, at fair value 19,860,221 26,917,938
Master Trust Balances | Collective trusts    
EBP, Master Trust [Line Items]    
Investments, at fair value 16,240,201,229 13,497,262,839
Master Trust Balances | US government    
EBP, Master Trust [Line Items]    
Investments, at fair value 57,127,990 116,145,461
Master Trust Balances | Mortgage and asset-backed    
EBP, Master Trust [Line Items]    
Investments, at fair value 29,403,943 62,918,508
Master Trust Balances | Foreign government    
EBP, Master Trust [Line Items]    
Investments, at fair value 5,131,051 6,170,183
Master Trust Balances | Corporate debt    
EBP, Master Trust [Line Items]    
Investments, at fair value 34,127,949 86,561,840
Plan's Interest in Master Trust Balances    
EBP, Master Trust [Line Items]    
Investments, at fair value 8,013,769,407 7,097,651,009
Investments, at contract value 579,395,192 632,944,704
Non-interest bearing accounts 505,683 520,696
Net pending trades payables and interest receivable (940,982) (3,705,857)
Net assets available for benefits 8,592,729,300 7,727,410,552
Plan's Interest in Master Trust Balances | Participant-directed brokerage accounts    
EBP, Master Trust [Line Items]    
Investments, at fair value 454,340,193 394,553,469
Plan's Interest in Master Trust Balances | General Dynamics Corporation common stock    
EBP, Master Trust [Line Items]    
Investments, at fair value 1,367,195,387 1,211,184,648
Plan's Interest in Master Trust Balances | Investments in other equity securities    
EBP, Master Trust [Line Items]    
Investments, at fair value 512,592,998 593,388,554
Plan's Interest in Master Trust Balances | Registered investment companies    
EBP, Master Trust [Line Items]    
Investments, at fair value 68,790,810 82,475,440
Plan's Interest in Master Trust Balances | Interest bearing cash    
EBP, Master Trust [Line Items]    
Investments, at fair value 16,863,041 15,588,274
Plan's Interest in Master Trust Balances | Overnight deposit accounts    
EBP, Master Trust [Line Items]    
Investments, at fair value 5,228,045 7,520,337
Plan's Interest in Master Trust Balances | Collective trusts    
EBP, Master Trust [Line Items]    
Investments, at fair value 5,535,796,638 4,697,827,838
Plan's Interest in Master Trust Balances | US government    
EBP, Master Trust [Line Items]    
Investments, at fair value 24,052,843 40,644,011
Plan's Interest in Master Trust Balances | Mortgage and asset-backed    
EBP, Master Trust [Line Items]    
Investments, at fair value 12,380,067 22,017,740
Plan's Interest in Master Trust Balances | Foreign government    
EBP, Master Trust [Line Items]    
Investments, at fair value 2,160,348 2,159,197
Plan's Interest in Master Trust Balances | Corporate debt    
EBP, Master Trust [Line Items]    
Investments, at fair value $ 14,369,037 $ 30,291,501