Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

No definition available.

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

PCAOB issued Audit Firm Identifier

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 10-K
-Number 249
-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 20-F
-Number 249
-Section 220
-Subsection f

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 40-F
-Number 249
-Section 240
-Subsection f

Cover - USD ($)	12 Months Ended
Cover - USD ($)	Dec. 31, 2023	Jan. 31, 2024	Jun. 30, 2023
Document Information [Line Items]
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0000101829
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	001-00812
Entity Registrant Name	RTX Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	06-0570975
Entity Address, Address Line One	1000 Wilson Boulevard
Entity Address, City or Town	Arlington
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	22209
City Area Code	(781)
Local Phone Number	522-3000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 142,484,650,285
Entity Common Stock, Shares Outstanding		1,326,826,896
Documents Incorporated by Reference	Portions of the Registrant’s Definitive Proxy Statement for its 2024 Annual Meeting of Shareowners are incorporated by reference in Part III of this Form 10-K.
Auditor Name	PricewaterhouseCoopers LLP
Auditor Location	Boston, Massachusetts
Auditor Firm ID	238
Document Financial Statement Error Correction [Flag]	false
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock ($1 par value)
Trading Symbol	RTX
Security Exchange Name	NYSE
Notes 2.150% Due 2030
Document Information [Line Items]
Title of 12(b) Security	2.150% Notes due 2030
Trading Symbol	RTX 30
Security Exchange Name	NYSE