EMPLOYEE BENEFIT PLANS (Fair Value of Assets of the Company's Qualified Plan) (Details) - Pension Plans - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 457.2	$ 394.7	$ 349.3
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	457.2	394.7
Level 1 \| Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	140.4	121.7
Level 1 \| Developed international equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	58.8	46.6
Level 1 \| Global low volatility equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	0.0	7.9
Level 1 \| Emerging market equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	24.8	19.2
Level 1 \| Fixed-income
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	211.8	178.6
Level 1 \| Real Estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	19.4	18.7
Level 1 \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 2.0	$ 2.0

PBF Holding Co LLC 10-K