DEBT - Issued Bond Outstanding (Details) € in Millions, R$ in Millions, $ in Millions, $ in Millions, $ in Millions	Jun. 30, 2026 USD ($) bonds	Jun. 30, 2026 EUR (€) bonds	Jun. 30, 2026 AUD ($) bonds	Jun. 30, 2026 CAD ($) bonds	Jun. 30, 2026 BRL (R$) bonds	Jun. 29, 2026 USD ($)	Jun. 29, 2026 CAD ($)	Jun. 25, 2026 USD ($)	Dec. 31, 2025 USD ($)
Debt Instrument [Line Items]
Debt	$ 25,966								$ 26,762
Industrial Activities
Debt Instrument [Line Items]
Debt	4,302								4,385
Hedging effects, bond premium/discount, and unamortized issuance costs	(44)
Industrial Activities \| Total bonds
Debt Instrument [Line Items]
Debt	3,817
Financial Services
Debt Instrument [Line Items]
Debt	21,979								$ 22,861
Hedging effects, bond premium/discount, and unamortized issuance costs	(39)
Financial Services \| Total bonds
Debt Instrument [Line Items]
Debt	7,749
1.750% Bonds Due March 2027 \| Industrial Activities \| CNH Industrial Finance Europe S.A. (formerly Fiat Industrial Finance Europe S.A.)
Debt Instrument [Line Items]
Debt	$ 683	€ 600
Bonds, interest rate	1.75%	1.75%	1.75%	1.75%	1.75%
3.875% Notes Due April 2028 \| Industrial Activities \| CNH Industrial Finance Europe S.A. (formerly Fiat Industrial Finance Europe S.A.)
Debt Instrument [Line Items]
Debt	$ 57	€ 50
Bonds, interest rate	3.875%	3.875%	3.875%	3.875%	3.875%
1.625% Bonds Due July 2029 \| Industrial Activities \| CNH Industrial Finance Europe S.A. (formerly Fiat Industrial Finance Europe S.A.)
Debt Instrument [Line Items]
Debt	$ 570	€ 500
Bonds, interest rate	1.625%	1.625%	1.625%	1.625%	1.625%
2.200% Bonds Due July 2039 \| Industrial Activities \| CNH Industrial Finance Europe S.A. (formerly Fiat Industrial Finance Europe S.A.)
Debt Instrument [Line Items]
Debt	$ 57	€ 50
Bonds, interest rate	2.20%	2.20%	2.20%	2.20%	2.20%
3.75% Notes Due June 2031 \| Industrial Activities \| C H N Industrial N V
Debt Instrument [Line Items]
Debt	$ 854	€ 750
Bonds, interest rate	3.75%	3.75%	3.75%	3.75%	3.75%
3.625% Notes Due January 2033 \| Industrial Activities \| C H N Industrial N V
Debt Instrument [Line Items]
Debt	$ 570	€ 500
Bonds, interest rate	3.625%	3.625%	3.625%	3.625%	3.625%
3.875% Notes Due September 2035 \| Industrial Activities \| C H N Industrial N V
Debt Instrument [Line Items]
Debt	$ 570	€ 500
Bonds, interest rate	3.875%	3.875%	3.875%	3.875%	3.875%
3.850% Notes Due November 2027 \| Industrial Activities \| C H N Industrial N V
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	3.85%	3.85%	3.85%	3.85%	3.85%
1.450% Notes Due July 2026 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 600
Bonds, interest rate	1.45%	1.45%	1.45%	1.45%	1.45%
4.500% Notes Due October 2027 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	4.50%	4.50%	4.50%	4.50%	4.50%
4.750% Notes Due March 2028 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	4.75%	4.75%	4.75%	4.75%	4.75%
4.550% Notes Due April 2028 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 600
Bonds, interest rate	4.55%	4.55%	4.55%	4.55%	4.55%
5.500% Notes Due January 2029 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	5.50%	5.50%	5.50%	5.50%	5.50%
5.100% Notes Due April 2029 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 600
Bonds, interest rate	5.10%	5.10%	5.10%	5.10%	5.10%
4.500% Notes Due October 2030 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	4.50%	4.50%	4.50%	4.50%	4.50%
4.375% Notes Due March 2031 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 500
Bonds, interest rate	4.375%	4.375%	4.375%	4.375%	4.375%
4.950% Notes Due June 2031 \| Financial Services \| CNH Industrial Capital LLC
Debt Instrument [Line Items]
Debt	$ 600							$ 600
Bonds, interest rate	4.95%	4.95%	4.95%	4.95%	4.95%			4.95%
Five Notes Due July 2026/ June 2029 \| Financial Services \| CNH Industrial Capital Australia Pty Ltd.
Debt Instrument [Line Items]
Debt	$ 672		$ 975
Number of bonds \| bonds	5	5	5	5	5
4.700% Notes Due 2026/2029 \| Financial Services \| CNH Industrial Capital Australia Pty Ltd.
Debt Instrument [Line Items]
Bonds, interest rate	4.70%	4.70%	4.70%	4.70%	4.70%
5.800% Notes Due 2026/2029 \| Financial Services \| CNH Industrial Capital Australia Pty Ltd.
Debt Instrument [Line Items]
Bonds, interest rate	5.80%	5.80%	5.80%	5.80%	5.80%
5.500% Notes Due August 2026 \| Financial Services \| CNH Industrial Capital Canada Ltd.
Debt Instrument [Line Items]
Debt	$ 281			$ 400
Bonds, interest rate	5.50%	5.50%	5.50%	5.50%	5.50%
4.800% Notes Due March 2027 \| Financial Services \| CNH Industrial Capital Canada Ltd.
Debt Instrument [Line Items]
Debt	$ 281			$ 400
Bonds, interest rate	4.80%	4.80%	4.80%	4.80%	4.80%
4.000% Notes Due April 2028 \| Financial Services \| CNH Industrial Capital Canada Ltd.
Debt Instrument [Line Items]
Debt	$ 211			$ 300
Bonds, interest rate	4.00%	4.00%	4.00%	4.00%	4.00%
3.750% Notes Due June 2029 \| Financial Services \| CNH Industrial Capital Canada Ltd.
Debt Instrument [Line Items]
Debt	$ 351			$ 500
Bonds, interest rate	3.75%	3.75%	3.75%	3.75%	3.75%
3.800% Notes Due January 2030 \| Financial Services \| CNH Industrial Capital Canada Ltd.
Debt Instrument [Line Items]
Debt	$ 316			$ 450		$ 316	$ 450
Bonds, interest rate	3.80%	3.80%	3.80%	3.80%	3.80%	3.80%	3.80%
Five Notes Due November 2026/ February 2029 \| Financial Services \| CNH Industrial Capital Argentina S.A.
Debt Instrument [Line Items]
Debt	$ 156
Number of bonds \| bonds	5	5	5	5	5
6.000% Notes Due 2026/2029 \| Financial Services \| CNH Industrial Capital Argentina S.A.
Debt Instrument [Line Items]
Bonds, interest rate	6.00%	6.00%	6.00%	6.00%	6.00%
8.250% Notes Due 2026/2029 \| Financial Services \| CNH Industrial Capital Argentina S.A.
Debt Instrument [Line Items]
Bonds, interest rate	8.25%	8.25%	8.25%	8.25%	8.25%
Twenty Notes Due 2026/2032 \| Financial Services \| Banco CNH Industrial Capital S.A.
Debt Instrument [Line Items]
Debt	$ 620				R$ 3,215
Number of bonds \| bonds	20	20	20	20	20
12.290% Notes Due 2026/2032 \| Financial Services \| Banco CNH Industrial Capital S.A.
Debt Instrument [Line Items]
Bonds, interest rate	12.29%	12.29%	12.29%	12.29%	12.29%
17.690% Notes Due 2026/2032 \| Financial Services \| Banco CNH Industrial Capital S.A.
Debt Instrument [Line Items]
Bonds, interest rate	17.69%	17.69%	17.69%	17.69%	17.69%