Average Annual Total Returns - FidelityContrafund-KPRO - FidelityContrafund-KPRO - Fidelity Contrafund	Mar. 01, 2023
Fidelity Contrafund - Class K \| Return Before Taxes
Average Annual Return:
Past 1 year	(28.22%)
Past 5 years	8.60%
Past 10 years	12.50%
SP001
Average Annual Return:
Past 1 year	(18.11%)
Past 5 years	9.42%
Past 10 years	12.56%

Return Before Taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Subsection b
-Paragraph 2
-Subparagraph iii
-Clause 1
-Exhibit 2

Name:	rr_AverageAnnualReturnYear01
Namespace Prefix:	rr_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration