v3.26.1
FAIR VALUE OF INVESTMENTS IN THE MASTER TRUST (Details) - EBP 017 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value $ 55,713,537 $ 48,165,227
Net receivables due to the Master Trust 80,000 14,000
Total    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 55,633,225 46,638,964
Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 117,634 120,021
Mutual funds and exchange traded funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 1,752,355 1,472,704
Separate accounts, short-term Investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 116,413 168,362
Separate accounts, common and preferred stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 31,844,027 27,919,563
Separate accounts, interest in real estate investment trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 681,422 676,798
Separate accounts, other securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 32,159 44,981
RTX common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 10,433,470 6,855,443
Commingled index funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 10,655,745 9,381,092
Level 1 | Total    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 44,743,433 36,969,489
Level 1 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 1 | Mutual funds and exchange traded funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 1,752,355 1,472,704
Level 1 | Separate accounts, short-term Investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 1 | Separate accounts, common and preferred stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 31,844,027 27,919,563
Level 1 | Separate accounts, interest in real estate investment trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 681,422 676,798
Level 1 | Separate accounts, other securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 32,159 44,981
Level 1 | RTX common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 10,433,470 6,855,443
Level 1 | Commingled index funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | Total    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 234,047 288,383
Level 2 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 117,634 120,021
Level 2 | Mutual funds and exchange traded funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | Separate accounts, short-term Investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 116,413 168,362
Level 2 | Separate accounts, common and preferred stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | Separate accounts, interest in real estate investment trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | Separate accounts, other securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | RTX common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 2 | Commingled index funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Total    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Short-term investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Mutual funds and exchange traded funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Separate accounts, short-term Investments    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Separate accounts, common and preferred stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Separate accounts, interest in real estate investment trusts    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Separate accounts, other securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | RTX common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Level 3 | Commingled index funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 0 0
Not Subject to Leveling | Total    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value 10,655,745 9,381,092
Not Subject to Leveling | Commingled index funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investment in Master Trust, at fair value $ 10,655,745 $ 9,381,092