Consolidated Statements of Earnings and Comprehensive Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total Revenues	$ 1,251	$ 1,354
Total cost of revenues	979	1,051
Gross Profit	272	303
Selling, general and administrative expenses	118	104
Acquisition, divestiture and integration expenses	20	1
Other operating (income) expense, net	(1,287)	2
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
Income tax expense	368	36
Earnings from continuing operations	1,046	135
Loss from discontinued operations, net of income tax benefit	0	(13)
Consolidated net earnings	1,046	122
Less: Net earnings attributable to noncontrolling interests	1	1
Net Earnings Attributable to Martin Marietta	1,045	121
Consolidated Comprehensive Earnings (Loss) :
Consolidated comprehensive earnings attributable to Martin Marietta	1,045	122
Earnings attributable to noncontrolling interests	1	1
Consolidated comprehensive earnings	$ 1,046	$ 123
Net Earnings (Loss) Attributable to Martin Marietta Per Common Share:
Basic earnings per share from continuing operations attributable to common shareholders	$ 16.92	$ 2.17
Basic loss per share from discontinued operations attributable to common shareholders	0	(0.21)
Basic attributable to common shareholders	16.92	1.96
Diluted earnings per share from continuing operations attributable to common shareholders	16.87	2.16
Diluted loss per share from discontinued operations attributable to common shareholders	0	(0.21)
Diluted attributable to common shareholders	$ 16.87	$ 1.95
Weighted-Average Common Shares Outstanding:
Basic	61.8	62.1
Diluted	62.0	62.2