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Segments (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Financial Data for Continuing Operation for Company's Reportable Business Segments

The following tables display selected financial data for the Company’s reportable segments. Revenues, as presented on the consolidated statements of earnings and comprehensive earnings, reflect the elimination of intersegment revenues, which represent sales from one segment to another segment and are immaterial. Revenues and earnings (loss) from operations reflect continuing operations only. Income tax expense is not allocated to the Company's reportable segments.

		Three Months Ended September 30, 2025
		(Dollars in Millions)
		East Group				West Group				Specialties				Total Reportable Segments				Corporate				Total
Segment Revenues		$	953			$	762			$	131			$	1,846			$	—			$	1,846
Less:
Labor and benefits expense			114				82				17				213				3				216
Raw materials expense			42				49				8				99				—				99
Depreciation, depletion and amortization   expense			81				53				8				142				1				143
Energy expense			41				28				10				79				—				79
External freight expense			34				70				11				115				—				115
Other costs of revenues			271				265				43				579				4				583
Selling, general and administrative expenses			41				36				8				85				25				110
Acquisition, divestiture and integration   expenses			—				—				—				—				5				5
Other operating income, net			(2	)			(1	)			—				(3	)			(6	)			(9	)
Segment Earnings (Loss) from Operations		$	331			$	180			$	26			$	537			$	(32	)		$	505
Interest expense																							59
Other nonoperating income, net																							(4	)
Consolidated earnings from continuing    operations before income tax expense																						$	450

		Three Months Ended September 30, 2024
		(Dollars in Millions)
		East Group				West Group				Specialties				Total Reportable Segments				Corporate				Total
Segment Revenues		$	849			$	711			$	82			$	1,642			$	—			$	1,642
Less:
Labor and benefits expense			104				77				9				190				2				192
Raw materials expense			48				67				5				120				—				120
Depreciation, depletion and amortization   expense			75				48				3				126				1				127
Energy expense			41				27				8				76				—				76
External freight expense			30				58				8				96				—				96
Other costs of revenues			235				248				20				503				15				518
Selling, general and administrative expenses			34				32				5				71				30				101
Acquisition, divestiture and integration   expenses			—				—				—				—				3				3
Other operating expense (income), net			10				(5	)			(2	)			3				—				3
Segment Earnings (Loss) from Operations		$	272			$	159			$	26			$	457			$	(51	)		$	406
Interest expense																							38
Other nonoperating income, net																							(6	)
Consolidated earnings from continuing    operations before income tax expense																						$	374

		Nine Months Ended September 30, 2025
		(Dollars in Millions)
		East Group				West Group				Specialties				Total Reportable Segments				Corporate				Total
Segment Revenues		$	2,419			$	1,889			$	309			$	4,617			$	—			$	4,617
Less:
Labor and benefits expense			314				227				38				579				3				582
Raw materials expense			65				97				17				179				—				179
Depreciation, depletion and amortization   expense			233				157				17				407				2				409
Energy expense			110				77				27				214				—				214
External freight expense			85				175				28				288				—				288
Other costs of revenues			744				692				74				1,510				13				1,523
Selling, general and administrative expenses			123				110				18				251				89				340
Acquisition, divestiture and integration   expenses			—				—				—				—				9				9
Other operating (income) expense, net			(4	)			3				—				(1	)			(22	)			(23	)
Segment Earnings (Loss) from Operations		$	749			$	351			$	90			$	1,190			$	(94	)		$	1,096
Interest expense																							172
Other nonoperating income, net																							(23	)
Consolidated earnings from continuing    operations before income tax expense																						$	947

		Nine Months Ended September 30, 2024
		(Dollars in Millions)
		East Group				West Group				Specialties				Total Reportable Segments				Corporate				Total
Segment Revenues		$	2,198			$	1,809			$	243			$	4,250			$	—			$	4,250
Less:
Labor and benefits expense			295				226				29				550				2				552
Raw materials expense			72				143				14				229				—				229
Depreciation, depletion and amortization   expense			189				143				11				343				2				345
Energy expense			111				80				24				215				—				215
External freight expense			82				156				24				262				—				262
Other costs of revenues			689				660				57				1,406				30				1,436
Selling, general and administrative expenses			103				102				15				220				108				328
Acquisition, divestiture and integration   expenses			—				16				—				16				28				44
Other operating expense (income), net			7				(1,277	)			(4	)			(1,274	)			(27	)			(1,301	)
Segment Earnings (Loss) from Operations		$	650			$	1,560			$	73			$	2,283			$	(143	)		$	2,140
Interest expense																							118
Other nonoperating income, net																							(51	)
Consolidated earnings from continuing    operations before income tax expense																						$	2,073

Assets employed by segment include assets directly identified with those operations. Corporate assets consist primarily of cash and cash equivalents; property, plant and equipment for corporate operations; and other assets not directly identifiable with a reportable segment.

		September 30,				December 31,
		2025				2024
Assets employed:		(Dollars in Millions)
East Group		$	8,738			$	8,452
West Group			8,034				7,941
Specialties			902				269
Total reportable segments			17,674				16,662
Corporate			979				1,508
Total		$	18,653			$	18,170

The following tables display property additions for the Company’s reportable segments.

		Nine Months Ended
		September 30,
		2025				2024
Total property additions, including the impact of acquisitions:		(Dollars in Millions)
East Group		$	307			$	2,219
West Group			173				683
Specialties			365				24
Total reportable segments			845				2,926
Corporate			18				12
Total		$	863			$	2,938

		Nine Months Ended
		September 30,
		2025				2024
Property additions through business combinations:		(Dollars in Millions)
East Group		$	—			$	2,052
West Group			2				472
Specialties			337				—
Total reportable segments			339				2,524
Corporate			—				—
Total		$	339			$	2,524

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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X

- References

No definition available.

+ Details

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