Earnings per Share - Computation of Basic EPS and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023		Dec. 31, 2022
Earnings Per Share [Abstract]
Net income (loss) attributable to CNH Industrial N.V.	$ 1,246	$ 2,275	[1]	$ 2,029
Basic earnings (loss) per share attributable to common shareholders:
Weighted average common shares outstanding—basic (in shares)	1,254	1,332	[1]	1,351
Earnings per share attributable to common shareholders - basic (in dollars per share)	$ 0.99	$ 1.71	[1]	$ 1.50
Diluted earnings (loss) per share attributable to common shareholders
Net income (loss) attributable to CNH Industrial N.V.	$ 1,246	$ 2,275	[1]	$ 2,029
Dilutive effect of stock compensation plans (in shares)	6	18		11
Weighted average common shares outstanding—diluted (in shares)	1,260	1,350	[1]	1,362
Diluted earnings (loss) per share (in dollars per share)	$ 0.99	$ 1.69	[1]	$ 1.49

[1] See Note 23 Immaterial Revision of Prior Period Financial Statements