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 Page - USD ($) $ in Millions	12 Months Ended
Cover Page - USD ($) $ in Millions	Dec. 31, 2024	Mar. 05, 2025	Jun. 30, 2024
Document Information [Line Items]
Entity Registrant Name	Advantage Solutions Inc.
Entity Central Index Key	0001776661
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Document Annual Report	true
Document Transition Report	false
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity File Number	001-38990
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	DE
Entity Public Float			$ 309
Entity Well Known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Common Stock, Shares Outstanding		321,408,856
Entity Tax Identification Number	83-4629508
Title of 12(b) Security	Class A common stock, $0.0001 par value per share
Trading Symbol	ADV
Security Exchange Name	NASDAQ
Entity Address, Address Line One	8001 Forsyth Blvd
Entity Address, Address Line Two	Suite 1025
Entity Address, City or Town	Clayton
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63105
City Area Code	314
Local Phone Number	655-9333
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Auditor Firm ID	238
Auditor Name	PricewaterhouseCoopers LLP
Auditor Location	Irvine, California
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s Definitive Proxy Statement for the 2025 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the registrant’s fiscal year ended December 31, 2024, are incorporated by reference in Part III of this report to the extent stated.
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants exercisable for one share of Class A common stock at an exercise price of $11.50
Trading Symbol	ADVWW
Security Exchange Name	NASDAQ