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v3.25.1

ACQUISITIONS - Preliminary Purchase Price Allocation (Details) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Nov. 01, 2024
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 1,767 | $ 1,767 | $ 1,768 |
Stelco Holdings Inc |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents | 341 | 341 |  | $ 341
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables | 104 | 104 |  | 104
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | 719 | 719 |  | 726
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other | 106 | 106 |  | 107
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 1,281 | 1,281 |  | 1,286
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 1,025 | 1,025 |  | 1,025
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets | 250 | 250 |  | 250
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable | (212) | (212) |  | (212)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Employment Costs | (29) | (29) |  | (29)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses | (7) | (7) |  | (6)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other | (71) | (71) |  | (71)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Non-Current Liabilities, Pension and OPEB liabilities | (14) | (14) |  | (14)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | (439) | (439) |  | (449)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Non-Current Liabilities, Asset retirement and environmental obligations | (20) | (20) |  | (20)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other | (611) | (611) |  | (616)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | 2,423 | 2,423 |  | 2,422
Goodwill | 785 | 785 |  | 786
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 3,208 | 3,208 |  | $ 3,208
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash and Cash Equivalents |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory |  | (7) |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets |  | (1) |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  | (5) |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Assets |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Employment Cost |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses |  | (1) |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Liabilities |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Pension and OPEB Liability Non-current |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes |  | 10 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Asset retirement and environmental obligations |  | 0 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Non-Current Liabilities |  | 5 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Identifiable Assets Acquired |  | 1 |  |
Goodwill, Measurement Period Adjustment | $ (1) | (1) |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred |  | $ 0 |  |

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