CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Statement of Cash Flows [Abstract]
Pre-tax gain (loss) from remeasurement of investment at fair value	$ (118)	$ 268

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