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v3.25.1

Segments - Schedule of Consolidated Earnings from Continuing Operations Before Income Tax Expense (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Segment Revenues | $ 1,353 | $ 1,251
Labor and benefits expense | 198 | 197
Raw materials expense | 82 | 84
Depreciation, depletion and amortization expense | 144 | 117
Energy expense | 72 | 74
External freight expense | 78 | 72
Other costs of revenues | 444 | 435
Selling, general and administrative expenses | 130 | 118
Acquisition, divestiture and integration expenses | 2 | 20
Other operating expense (income), net | 9 | (1,287)
Segment Earnings (Loss) from Operations | 194 | 1,421
Interest expense | 56 | 40
Other nonoperating income, net | (10) | (33)
Earnings before income tax expense | 148 | 1,414
Operating Segments | East Group |  |
Segment Reporting Information [Line Items] |  |
Segment Revenues | 599 | 526
Labor and benefits expense | 92 | 88
Raw materials expense | 1 | 0
Depreciation, depletion and amortization expense | 72 | 50
Energy expense | 31 | 31
External freight expense | 20 | 20
Other costs of revenues | 189 | 177
Selling, general and administrative expenses | 42 | 34
Acquisition, divestiture and integration expenses | 0 | 0
Other operating expense (income), net | 0 | (2)
Segment Earnings (Loss) from Operations | 152 | 128
Operating Segments | West Group |  |
Segment Reporting Information [Line Items] |  |
Segment Revenues | 667 | 644
Labor and benefits expense | 95 | 99
Raw materials expense | 76 | 80
Depreciation, depletion and amortization expense | 67 | 63
Energy expense | 32 | 34
External freight expense | 51 | 44
Other costs of revenues | 242 | 236
Selling, general and administrative expenses | 51 | 48
Acquisition, divestiture and integration expenses | 0 | 16
Other operating expense (income), net | 4 | (1,275)
Segment Earnings (Loss) from Operations | 49 | 1,299
Operating Segments | Magnesia Specialties |  |
Segment Reporting Information [Line Items] |  |
Segment Revenues | 87 | 81
Labor and benefits expense | 11 | 10
Raw materials expense | 5 | 4
Depreciation, depletion and amortization expense | 4 | 3
Energy expense | 9 | 9
External freight expense | 7 | 8
Other costs of revenues | 13 | 18
Selling, general and administrative expenses | 5 | 5
Acquisition, divestiture and integration expenses | 0 | 0
Other operating expense (income), net | 0 | 0
Segment Earnings (Loss) from Operations | 33 | 24
Operating Segments | Reportable Segments |  |
Segment Reporting Information [Line Items] |  |
Segment Revenues | 1,353 | 1,251
Labor and benefits expense | 198 | 197
Raw materials expense | 82 | 84
Depreciation, depletion and amortization expense | 143 | 116
Energy expense | 72 | 74
External freight expense | 78 | 72
Other costs of revenues | 444 | 431
Selling, general and administrative expenses | 98 | 87
Acquisition, divestiture and integration expenses | 0 | 16
Other operating expense (income), net | 4 | (1,277)
Segment Earnings (Loss) from Operations | 234 | 1,451
Corporate |  |
Segment Reporting Information [Line Items] |  |
Segment Revenues | 0 | 0
Labor and benefits expense | 0 | 0
Raw materials expense | 0 | 0
Depreciation, depletion and amortization expense | 1 | 1
Energy expense | 0 | 0
External freight expense | 0 | 0
Other costs of revenues | 0 | 4
Selling, general and administrative expenses | 32 | 31
Acquisition, divestiture and integration expenses | 2 | 4
Other operating expense (income), net | 5 | (10)
Segment Earnings (Loss) from Operations | $ (40) | $ (30)

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