CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)
Statement of Cash Flows [Abstract]
Pre-tax loss from remeasurement of investment at fair value	$ 35

Gain (Loss) From Remeasurement Of Investment At Fair Value, Before Tax

No definition available.

Name:	cnhi_GainLossFromRemeasurementOfInvestmentAtFairValueBeforeTax
Namespace Prefix:	cnhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration