Cleveland-Cliffs Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

STOCK COMPENSATION PLANS - Nonemployee Directors (Details)

STOCK COMPENSATION PLANS - Nonemployee Directors (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to outstanding awards not yet recognized	$ 62,000,000
Share-based Payment Arrangement, Nonemployee \| Director \| Directors Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost related to outstanding awards not yet recognized	$ 140,000	$ 140,000	$ 140,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details