Average Annual Total Returns - FidelityFund-KPRO - FidelityFund-KPRO - Fidelity Fund	Aug. 29, 2024
Fidelity Fund - Class K \| Return Before Taxes
Average Annual Return:
Past 1 year	31.03%
Past 5 years	16.98%
Past 10 years	12.19%
SP001
Average Annual Return:
Past 1 year	26.29%
Past 5 years	15.69%
Past 10 years	12.03%

Return Before Taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-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