10-K Filing

MARTIN MARIETTA MATERIALS INC CIK: 916076 FY 2023

Filing Information

Form Type	10-K
Accession Number	`0000950170-24-019275`
Period End Date	20231231
Filing Date	20240223
Fiscal Year	2023
Fiscal Period	FY
XBRL Instance	mlm-20231231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 98 Income Statement 72 Cash Flow Statement 107 Stockholders Equity 41 Comprehensive Income 43

Balance Sheet 98 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$358.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.27B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$258.40M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	61.82M	shares	Point-in-time
Restricted cash	`RestrictedCash`	$10.50M	USD	Point-in-time
Restricted cash	`RestrictedCash`	$500.00K	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	62.10M	shares	Point-in-time
Restricted cash	`RestrictedCash`	$800.00K	USD	Point-in-time
Restricted investments	`RestrictedInvestments`	$704.60M	USD	Point-in-time
Restricted investments	`RestrictedInvestments`	-	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$753.30M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$785.90M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories, net	`InventoryNet`	$988.60M	USD	Point-in-time
Inventories, net	`InventoryNet`	$873.70M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$73.20M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$807.10M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$87.60M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$80.70M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.88B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$3.92B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.32B	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.19B	USD	Point-in-time
Goodwill	`Goodwill`	$3.39B	USD	Point-in-time
Goodwill	`Goodwill`	$3.65B	USD	Point-in-time
Goodwill	`Goodwill`	$3.49B	USD	Point-in-time
Other intangibles, net	`OtherIntangibleAssetsNet`	$697.70M	USD	Point-in-time
Other intangibles, net	`OtherIntangibleAssetsNet`	$847.80M	USD	Point-in-time
Operating lease right-of-use assets, net	`OperatingLeaseRightOfUseAsset`	$383.50M	USD	Point-in-time
Operating lease right-of-use assets, net	`OperatingLeaseRightOfUseAsset`	$371.60M	USD	Point-in-time
Noncurrent assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Noncurrent assets held for sale	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$372.50M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$561.30M	USD	Point-in-time
Other noncurrent assets	`OtherAssetsNoncurrent`	$546.70M	USD	Point-in-time
Total Assets	`Assets`	$14.39B	USD	Point-in-time
Total Assets	`Assets`	$14.99B	USD	Point-in-time
Total Assets	`Assets`	$15.12B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$385.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$343.30M	USD	Point-in-time
Accrued salaries, benefits and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$71.60M	USD	Point-in-time
Accrued salaries, benefits and payroll taxes	`EmployeeRelatedLiabilitiesCurrent`	$102.30M	USD	Point-in-time
Accrued other taxes	`AccruedOtherTaxesCurrent`	$55.40M	USD	Point-in-time
Accrued other taxes	`AccruedOtherTaxesCurrent`	$53.30M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.50M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$42.80M	USD	Point-in-time
Current maturities of long-term debt, including discharged debt	`LongTermDebtCurrent`	$399.60M	USD	Point-in-time
Current maturities of long-term debt, including discharged debt	`LongTermDebtCurrent`	$699.10M	USD	Point-in-time
Current operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$52.10M	USD	Point-in-time
Current operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$53.30M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$18.20M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$4.50M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$135.10M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$159.70M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$1.17B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$1.45B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$3.95B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$4.34B	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$874.60M	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxLiabilitiesNet`	$914.30M	USD	Point-in-time
Noncurrent operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$335.90M	USD	Point-in-time
Noncurrent operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$326.70M	USD	Point-in-time
Noncurrent liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$21.80M	USD	Point-in-time
Noncurrent liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Noncurrent asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$377.70M	USD	Point-in-time
Noncurrent asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$383.10M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$384.60M	USD	Point-in-time
Other noncurrent liabilities	`OtherLiabilitiesNoncurrent`	$389.10M	USD	Point-in-time
Total Liabilities	`Liabilities`	$7.82B	USD	Point-in-time
Total Liabilities	`Liabilities`	$7.09B	USD	Point-in-time
Common stock, par value $0.01 per share; 100,000,000 shares authorized; 61,821,421 shares and 62,102,353 shares outstanding at December 31, 2023 and 2022, respectively)	`CommonStockValue`	$600.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 100,000,000 shares authorized; 61,821,421 shares and 62,102,353 shares outstanding at December 31, 2023 and 2022, respectively)	`CommonStockValue`	$600.00K	USD	Point-in-time
Preferred stock ($0.01 par value; 10,000,000 shares authorized; no shares outstanding)	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock ($0.01 par value; 10,000,000 shares authorized; no shares outstanding)	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$3.49B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$3.52B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-38.50M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-49.20M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$4.56B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.72B	USD	Point-in-time
Total Shareholders Equity	`StockholdersEquity`	$7.17B	USD	Point-in-time
Total Shareholders Equity	`StockholdersEquity`	$8.03B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$2.40M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$2.30M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.54B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.89B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.17B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.04B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$15.12B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$14.99B	USD	Point-in-time

Income Statement 72 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$6.16B	USD	Annual
Total Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$5.41B	USD	Annual
Total Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$6.78B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$4.74B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$4.75B	USD	Annual
Total cost of revenues	`CostOfGoodsAndServicesSold`	$4.07B	USD	Annual
Gross Profit	`GrossProfit`	$1.42B	USD	Annual
Gross Profit	`GrossProfit`	$1.35B	USD	Annual
Gross Profit	`GrossProfit`	$2.02B	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$351.00M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$396.70M	USD	Annual
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$442.80M	USD	Annual
Acquisition, divestiture and integration expenses	`BusinessCombinationAcquisitionDivestitureAndIntegrationRelatedCosts`	$9.10M	USD	Annual
Acquisition, divestiture and integration expenses	`BusinessCombinationAcquisitionDivestitureAndIntegrationRelatedCosts`	$12.20M	USD	Annual
Acquisition, divestiture and integration expenses	`BusinessCombinationAcquisitionDivestitureAndIntegrationRelatedCosts`	$57.90M	USD	Annual
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$28.40M	USD	Annual
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$189.20M	USD	Annual
Other operating income, net	`OtherOperatingIncomeExpenseNet`	$34.30M	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$1.21B	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$973.80M	USD	Annual
Earnings from Operations	`OperatingIncomeLoss`	$1.60B	USD	Annual
Interest expense	`InterestExpense`	$165.30M	USD	Annual
Interest expense	`InterestExpense`	$169.00M	USD	Annual
Interest expense	`InterestExpense`	$142.70M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$24.40M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$53.40M	USD	Annual
Other nonoperating income, net	`OtherNonoperatingIncomeExpense`	$62.10M	USD	Annual
Consolidated earnings from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.09B	USD	Annual
Consolidated earnings from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.49B	USD	Annual
Consolidated earnings from continuing operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$855.50M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$292.50M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$234.80M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$153.20M	USD	Annual
Earnings from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$1.20B	USD	Annual
Earnings from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$702.30M	USD	Annual
Earnings from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$856.30M	USD	Annual
(Loss) Earnings from discontinued operations, net of income tax (benefit) expense	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-30.90M	USD	Annual
(Loss) Earnings from discontinued operations, net of income tax (benefit) expense	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$500.00K	USD	Annual
(Loss) Earnings from discontinued operations, net of income tax (benefit) expense	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$10.50M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$702.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$866.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$1.17B	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$300.00K	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Net earnings attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$500.00K	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$866.80M	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$702.50M	USD	Annual
Net Earnings Attributable to Martin Marietta	`NetIncomeLoss`	$1.17B	USD	Annual
Basic earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerBasicShare`	$19.38	USD	Annual
Basic earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerBasicShare`	$13.74	USD	Annual
Basic earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerBasicShare`	$11.25	USD	Annual
Basic earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.17	USD	Annual
Basic earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.01	USD	Annual
Basic earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.50	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$18.88	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$11.26	USD	Annual
Basic attributable to common shareholders	`EarningsPerShareBasic`	$13.91	USD	Annual
Diluted earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerDilutedShare`	$11.21	USD	Annual
Diluted earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerDilutedShare`	$19.32	USD	Annual
Diluted earnings per share from continuing operations attributable to common shareholders	`IncomeLossFromContinuingOperationsPerDilutedShare`	$13.70	USD	Annual
Diluted earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.01	USD	Annual
Diluted earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.50	USD	Annual
Diluted earnings per share from discontinued operations attributable to common shareholders	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.17	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$18.82	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$11.22	USD	Annual
Diluted attributable to common shareholders	`EarningsPerShareDiluted`	$13.87	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	62.40M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	61.90M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	62.30M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	62.50M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	62.10M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	62.60M	shares	Annual

Cash Flow Statement 107 line items

Line Item	Tag	Value	Unit	Period
Consolidated net earnings	`ProfitLoss`	$702.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$866.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$1.17B	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$513.20M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$451.70M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$506.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$50.00M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$42.70M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$43.00M	USD	Annual
Net gains on divestitures, sales of assets and extinguishment of debt	`GainLossOnDispositionOfAssetsAndExtinguishmentOfDebt`	$1.90M	USD	Annual
Net gains on divestitures, sales of assets and extinguishment of debt	`GainLossOnDispositionOfAssetsAndExtinguishmentOfDebt`	$21.70M	USD	Annual
Net gains on divestitures, sales of assets and extinguishment of debt	`GainLossOnDispositionOfAssetsAndExtinguishmentOfDebt`	$195.70M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$92.20M	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$-600.00K	USD	Annual
Deferred income taxes, net	`DeferredIncomeTaxExpenseBenefit`	$-36.10M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$11.70M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$16.50M	USD	Annual
Other items, net	`OtherNoncashIncomeExpense`	$14.90M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-31.40M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$194.40M	USD	Annual
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$12.10M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$131.70M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$-73.20M	USD	Annual
Inventories, net	`IncreaseDecreaseInInventories`	$188.70M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-31.20M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$-17.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$109.80M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$104.00M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-24.60M	USD	Annual
Other assets and liabilities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$41.30M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$991.20M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.14B	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.53B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$481.80M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$423.10M	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$650.30M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$3.11B	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-11.00M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$42.80M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$687.10M	USD	Annual
Proceeds from divestitures and sales of assets	`ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets`	$426.50M	USD	Annual
Proceeds from sale of restricted investments to discharge long term debt	`ProceedsFromSaleOfRestrictedInvestmentsToDischargeLongTermDebt`	-	USD	Annual
Proceeds from sale of restricted investments to discharge long term debt	`ProceedsFromSaleOfRestrictedInvestmentsToDischargeLongTermDebt`	$700.00M	USD	Annual
Proceeds from sale of restricted investments to discharge long term debt	`ProceedsFromSaleOfRestrictedInvestmentsToDischargeLongTermDebt`	-	USD	Annual
Purchase of restricted investments to discharge long-term debt	`PurchaseOfRestrictedInvestmentsToDischargeLongTermDebt`	-	USD	Annual
Purchase of restricted investments to discharge long-term debt	`PurchaseOfRestrictedInvestmentsToDischargeLongTermDebt`	-	USD	Annual
Purchase of restricted investments to discharge long-term debt	`PurchaseOfRestrictedInvestmentsToDischargeLongTermDebt`	$704.60M	USD	Annual
Repayment of note receivable from affiliate	`RepaymentOfNotesReceivableFromRelatedParties`	$6.00M	USD	Annual
Repayment of note receivable from affiliate	`RepaymentOfNotesReceivableFromRelatedParties`	-	USD	Annual
Repayment of note receivable from affiliate	`RepaymentOfNotesReceivableFromRelatedParties`	-	USD	Annual
Investments in life insurance contracts, net	`PaymentsForProceedsFromLifeInsurancePolicies`	$-7.50M	USD	Annual
Investments in life insurance contracts, net	`PaymentsForProceedsFromLifeInsurancePolicies`	$-14.90M	USD	Annual
Investments in life insurance contracts, net	`PaymentsForProceedsFromLifeInsurancePolicies`	$-7.40M	USD	Annual
Investments in limited liability company	`PaymentsForProceedsFromLimitedLiabilityCompany`	-	USD	Annual
Investments in limited liability company	`PaymentsForProceedsFromLimitedLiabilityCompany`	$27.00M	USD	Annual
Investments in limited liability company	`PaymentsForProceedsFromLimitedLiabilityCompany`	-	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	$3.00M	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	$3.90M	USD	Annual
Other investing activities, net	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Net Cash Provided by (Used for) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.47B	USD	Annual
Net Cash Provided by (Used for) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$458.70M	USD	Annual
Net Cash Provided by (Used for) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-483.80M	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Borrowings of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.90B	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$700.00M	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$420.10M	USD	Annual
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$54.50M	USD	Annual
Debt issuance and extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	$700.00K	USD	Annual
Debt issuance and extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	$7.50M	USD	Annual
Debt issuance and extinguishment costs	`PaymentsOfDebtExtinguishmentCosts`	$700.00K	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$11.10M	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$17.60M	USD	Annual
Payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$15.00M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$174.00M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$159.10M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$147.80M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$150.00M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$150.00M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Contributions by noncontrolling interest to joint venture	`ProceedsFromContributionsByNonControllingInterestToJointVenture`	-	USD	Annual
Contributions by noncontrolling interest to joint venture	`ProceedsFromContributionsByNonControllingInterestToJointVenture`	-	USD	Annual
Contributions by noncontrolling interest to joint venture	`ProceedsFromContributionsByNonControllingInterestToJointVenture`	$100.00K	USD	Annual
Distributions to owners of noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$600.00K	USD	Annual
Distributions to owners of noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$500.00K	USD	Annual
Distributions to owners of noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$1.20M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$1.30M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$600.00K	USD	Annual
Shares withheld for employees income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$28.80M	USD	Annual
Shares withheld for employees income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.50M	USD	Annual
Shares withheld for employees income tax obligations	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$22.10M	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-407.50M	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.06B	USD	Annual
Net Cash (Used for) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$2.29B	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-45.50M	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$99.90M	USD	Annual
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$923.50M	USD	Annual
Cash, Cash Equivalents and Restricted Cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$358.80M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$258.90M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.28B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$304.40M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$358.80M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$258.90M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.28B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$304.40M	USD	Point-in-time

Stockholders Equity 41 line items

Line Item	Tag	Value	Unit	Period
Dividends declared	`CommonStockDividendsPerShareDeclared`	$2.54	USD	Annual
Dividends declared	`CommonStockDividendsPerShareDeclared`	$2.36	USD	Annual
Dividends declared	`CommonStockDividendsPerShareDeclared`	$2.80	USD	Annual
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.54B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.89B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.17B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.04B	USD	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	61.82M	shares	Point-in-time
Beginning Balance (in shares)	`CommonStockSharesOutstanding`	62.10M	shares	Point-in-time
Consolidated net earnings	`ProfitLoss`	$702.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$866.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$1.17B	USD	Annual
Other comprehensive loss / earnings	`OtherComprehensiveIncomeLossNetOfTax`	$-10.70M	USD	Annual
Other comprehensive loss / earnings	`OtherComprehensiveIncomeLossNetOfTax`	$60.80M	USD	Annual
Other comprehensive loss / earnings	`OtherComprehensiveIncomeLossNetOfTax`	$59.10M	USD	Annual
Dividends declared	`DividendsCommonStockCash`	$159.30M	USD	Annual
Dividends declared	`DividendsCommonStockCash`	$174.50M	USD	Annual
Dividends declared	`DividendsCommonStockCash`	$148.30M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$6.10M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.30M	USD	Annual
Issuances of common stock for stock award plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.70M	USD	Annual
Shares withheld for employees income tax obligations	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$22.10M	USD	Annual
Shares withheld for employees income tax obligations	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.50M	USD	Annual
Shares withheld for employees income tax obligations	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$28.80M	USD	Annual
Repurchases of common stock	`StockRepurchasedDuringPeriodValue`	$150.00M	USD	Annual
Repurchases of common stock	`StockRepurchasedDuringPeriodValue`	$151.20M	USD	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	400,000.00	shares	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	400,000.00	shares	Annual
Repurchases of common stock, Shares	`StockRepurchasedDuringPeriodShares`	0.00	shares	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$42.70M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$43.00M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$50.00M	USD	Annual
Distribution to owners of noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$500.00K	USD	Annual
Distribution to owners of noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$600.00K	USD	Annual
Contribution from owners of noncontrolling interest	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$100.00K	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.54B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.89B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.17B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.04B	USD	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	61.82M	shares	Point-in-time
Ending Balance (in shares)	`CommonStockSharesOutstanding`	62.10M	shares	Point-in-time

Comprehensive Income 43 line items

Line Item	Tag	Value	Unit	Period
Net (loss) gain arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-5.10M	USD	Annual
Net (loss) gain arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-16.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$702.80M	USD	Annual
Net (loss) gain arising during period, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$28.60M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$866.80M	USD	Annual
Consolidated net earnings	`ProfitLoss`	$1.17B	USD	Annual
Prior service cost arising during period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	$-11.80M	USD	Annual
Prior service cost arising during period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Prior service cost arising during period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect`	-	USD	Annual
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$1.40M	USD	Annual
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$900.00K	USD	Annual
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-2.90M	USD	Annual
Net (loss) gain arising during period, net of tax of $(5.1), $28.6 and $16.8, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$51.30M	USD	Annual
Net (loss) gain arising during period, net of tax of $(5.1), $28.6 and $16.8, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-15.70M	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	-	USD	Annual
Net (loss) gain arising during period, net of tax of $(5.1), $28.6 and $16.8, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$87.90M	USD	Annual
Amortization of actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-800.00K	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$1.10M	USD	Annual
Amount recognized in net periodic pension cost due to settlement, tax	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	Annual
Prior service cost arising during period, net of tax of $0.0, $(11.8) and $0.0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$36.30M	USD	Annual
Amortization of prior service cost, net of tax of $1.4, $0.9 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$3.10M	USD	Annual
Amortization of prior service cost, net of tax of $1.4, $0.9 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$4.20M	USD	Annual
Amortization of actuarial loss, net of tax of $0.0, $0.8 and $2.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-9.20M	USD	Annual
Amortization of actuarial loss, net of tax of $0.0, $0.8 and $2.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.90M	USD	Annual
Amount recognized in net periodic pension cost due to settlement, net of tax of $0.0, $1.1 and $0.0, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$3.50M	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-61.10M	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-60.50M	USD	Annual
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$11.50M	USD	Annual
Foreign currency translation gain (loss)	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$300.00K	USD	Annual
Foreign currency translation gain (loss)	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.00M	USD	Annual
Foreign currency translation gain (loss)	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$800.00K	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-10.70M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$60.80M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$59.10M	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.16B	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$763.60M	USD	Annual
Consolidated comprehensive earnings	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$925.90M	USD	Annual
Less: Comprehensive earnings attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$300.00K	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$763.30M	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$925.90M	USD	Annual
Comprehensive Earnings Attributable to Martin Marietta	`ComprehensiveIncomeNetOfTax`	$1.16B	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.