Leases - Summary of Equipment on Operating Leases (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Equipment on operating leases	$ 1,831	$ 1,784
Accumulated depreciation and other changes	(365)	(367)
Net equipment on operating leases	$ 1,466	$ 1,417

Lessor, Equipment On Operating Leases, Accumulated Depreciation And Other Changes

No definition available.

Name:	cnhi_LessorEquipmentOnOperatingLeasesAccumulatedDepreciationAndOtherChanges
Namespace Prefix:	cnhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant