Segments (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

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

The following table displays selected financial data for the Company’s reportable segments. Total 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. Total revenues and earnings (loss) from operations reflect continuing operations only.

	Three Months Ended
	March 31,
	2024			2023
	(Dollars in Millions)
Total revenues:
East Group	$	526		$	530
West Group		644			741
Total Building Materials business		1,170			1,271
Magnesia Specialties		81			83
Total	$	1,251		$	1,354
Earnings (Loss) from operations:
East Group	$	128		$	109
West Group		1,299			95
Total Building Materials business		1,427			204
Magnesia Specialties		24			20
Total reportable segments		1,451			224
Corporate		(30	)		(28	)
Consolidated earnings from operations		1,421			196
Interest expense		40			42
Other nonoperating income, net		(33	)		(17	)
Consolidated earnings from continuing    operations before income tax expense	$	1,414		$	171

Earnings from operations for the West Group for 2024 included a $1.3 billion gain on the divestiture of the South Texas cement business and certain of its related ready mixed concrete operations and a noncash asset and portfolio rationalization charge of $49 million.

	March 31,		December 31,
	2024		2023
	(Dollars in Millions)
Assets employed:
East Group	$	5,198	$	5,131
West Group		7,383		7,697
Total Building Materials business		12,581		12,828
Magnesia Specialties		252		250
Total reportable segments		12,833		13,078
Corporate		3,407		2,047
Total	$	16,240	$	15,125

The increase in C