Leases - Summary of Lease information (Parenthetical) (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Leases [Abstract]
Non-cash component of lease expense	$ 22.8	$ 17.9
Increase (decrease) in right-of-use asset	$ 15.4

Amount of amortization expense attributable to right-of-use asset from operating lease.

No definition available.

Name:	chd_OperatingLeaseRighOfUseAssetAmortization
Namespace Prefix:	chd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration