RELATED-PARTY AND PARTY-IN-INTEREST TRANSACTIONS (Details) - EBP 017 - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Value of interest held in investment	$ 55,713,537	$ 48,165,227
Unrealized appreciation on assets		2,400,000
RTX Stock Fund
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Value of interest held in investment	6,800,000	4,300,000
Investments purchased	1,000,000
Dividend and interest for investments purchased	200,000
Investments sold	1,000,000
Net appreciation on fair value of investments	2,500,000
RTX ESOP Fund
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Value of interest held in investment	3,700,000	$ 2,600,000
Unrealized appreciation on assets	$ 3,600,000

EBP, Investment Acquired, Plan Interest in Master Trust, Dividends And Interest, Purchase Price

No definition available.

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- Definition

Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
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-Topic 815
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-URI https://asc.fasb.org/1943274/2147477063/962-205-45-7

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- Definition

Amount of increase (decrease) in net asset available for benefit from unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
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-URI https://asc.fasb.org/1943274/2147477783/962-325-50-7

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-Topic 962
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- Definition

Amount of purchase price for plan interest in master trust acquired by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(ii)
-Publisher DOL-EBSA

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- Definition

Fair value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
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-Publisher FASB
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- Definition

Amount of selling price for plan interest in master trust sold by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

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- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
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-Section S99
-Paragraph 1
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