Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Jan. 30, 2026	Jun. 30, 2025
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2025
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-39205
Entity Registrant Name	REYNOLDS CONSUMER PRODUCTS INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-3464426
Entity Address, Address Line One	1900 W. Field Court
Entity Address, City or Town	Lake Forest
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60045
City Area Code	800
Local Phone Number	879-5067
Title of 12(b) Security	Common stock, $0.001 par value
Trading Symbol	REYN
Security Exchange Name	NASDAQ
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
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 1,163
Entity Common Stock, Shares Outstanding (in shares)		210,343,558
Documents incorporated by reference	Portions of the Registrant’s definitive proxy statement relating to its 2026 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0001786431
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Amendment Flag	false