10-Q Filing

MERCK & CO., INC. CIK: 310158 Q1 2025

Filing Information

Form Type	10-Q
Accession Number	`0001628280-25-021834`
Period End Date	20250331
Filing Date	20250502
Fiscal Year	2025
Fiscal Period	Q1
XBRL Instance	mrk-20250331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 156 Income Statement 56 Cash Flow Statement 120 Comprehensive Income 24

Balance Sheet 156 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$89.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$89.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$93.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$93.00M	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$4.56B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$4.56B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$4.19B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$4.19B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.68B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.68B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$8.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$8.63B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.16B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$19.16B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.24B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.24B	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.50	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.50	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$447.00M	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$447.00M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.50	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.50	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$599.00M	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$599.00M	USD	Point-in-time
Common stock, authorized (shares)	`CommonStockSharesAuthorized`	6.50B	shares	Point-in-time
Common stock, authorized (shares)	`CommonStockSharesAuthorized`	6.50B	shares	Point-in-time
Common stock, authorized (shares)	`CommonStockSharesAuthorized`	6.50B	shares	Point-in-time
Common stock, authorized (shares)	`CommonStockSharesAuthorized`	6.50B	shares	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $93 in 2025 and $89 in 2024)	`AccountsReceivableNetCurrent`	$10.79B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $93 in 2025 and $89 in 2024)	`AccountsReceivableNetCurrent`	$10.79B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $93 in 2025 and $89 in 2024)	`AccountsReceivableNetCurrent`	$10.28B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $93 in 2025 and $89 in 2024)	`AccountsReceivableNetCurrent`	$10.28B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Inventories (excludes inventories of $4,556 in 2025 and $4,193 in 2024 classified in Other assets - see Note 6)	`InventoryNet`	$6.20B	USD	Point-in-time
Inventories (excludes inventories of $4,556 in 2025 and $4,193 in 2024 classified in Other assets - see Note 6)	`InventoryNet`	$6.20B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Inventories (excludes inventories of $4,556 in 2025 and $4,193 in 2024 classified in Other assets - see Note 6)	`InventoryNet`	$6.11B	USD	Point-in-time
Inventories (excludes inventories of $4,556 in 2025 and $4,193 in 2024 classified in Other assets - see Note 6)	`InventoryNet`	$6.11B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$9.29B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$9.29B	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.05B	shares	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.05B	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.71B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.71B	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.06B	shares	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.06B	shares	Point-in-time
Total current assets	`AssetsCurrent`	$35.50B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$35.50B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$38.78B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$38.78B	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$616.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$616.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$463.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$463.00M	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $19,680 in 2025 and $19,155 in 2024	`PropertyPlantAndEquipmentNet`	$23.78B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $19,680 in 2025 and $19,155 in 2024	`PropertyPlantAndEquipmentNet`	$23.78B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $19,680 in 2025 and $19,155 in 2024	`PropertyPlantAndEquipmentNet`	$24.79B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $19,680 in 2025 and $19,155 in 2024	`PropertyPlantAndEquipmentNet`	$24.79B	USD	Point-in-time
Goodwill	`Goodwill`	$21.67B	USD	Point-in-time
Goodwill	`Goodwill`	$21.67B	USD	Point-in-time
Goodwill	`Goodwill`	$21.68B	USD	Point-in-time
Goodwill	`Goodwill`	$21.68B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$16.37B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$16.37B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$15.76B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$15.76B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$16.77B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$16.77B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$16.04B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$16.04B	USD	Point-in-time
Total Assets	`Assets`	$117.11B	USD	Point-in-time
Total Assets	`Assets`	$117.11B	USD	Point-in-time
Total Assets	`Assets`	$115.12B	USD	Point-in-time
Total Assets	`Assets`	$115.12B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$2.65B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$2.65B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$1.36B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$1.36B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$4.08B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$4.08B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.78B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.78B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$15.69B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$15.69B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$12.77B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$12.77B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$5.18B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$5.18B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$3.91B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$3.91B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$2.08B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$2.08B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$2.08B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$2.08B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$28.42B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$28.42B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$25.17B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$25.17B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$34.46B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$34.46B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$33.48B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$33.48B	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.41B	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.41B	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.39B	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.39B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$6.46B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$6.46B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$6.66B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$6.66B	USD	Point-in-time
Common stock, $0.50 par value Authorized - 6,500,000,000 shares Issued - 3,577,103,522 shares in 2025 and 2024	`CommonStockValue`	$1.79B	USD	Point-in-time
Common stock, $0.50 par value Authorized - 6,500,000,000 shares Issued - 3,577,103,522 shares in 2025 and 2024	`CommonStockValue`	$1.79B	USD	Point-in-time
Common stock, $0.50 par value Authorized - 6,500,000,000 shares Issued - 3,577,103,522 shares in 2025 and 2024	`CommonStockValue`	$1.79B	USD	Point-in-time
Common stock, $0.50 par value Authorized - 6,500,000,000 shares Issued - 3,577,103,522 shares in 2025 and 2024	`CommonStockValue`	$1.79B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.82B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.82B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.70B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.70B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$63.07B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$63.07B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$66.10B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$66.10B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.95B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.95B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.96B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.96B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$104.62B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$104.62B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$107.74B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$107.74B	USD	Point-in-time
Less treasury stock, at cost: 1,061,021,894 shares in 2025 and 1,049,466,187 shares in 2024	`TreasuryStockCommonValue`	$58.30B	USD	Point-in-time
Less treasury stock, at cost: 1,061,021,894 shares in 2025 and 1,049,466,187 shares in 2024	`TreasuryStockCommonValue`	$58.30B	USD	Point-in-time
Less treasury stock, at cost: 1,061,021,894 shares in 2025 and 1,049,466,187 shares in 2024	`TreasuryStockCommonValue`	$59.40B	USD	Point-in-time
Less treasury stock, at cost: 1,061,021,894 shares in 2025 and 1,049,466,187 shares in 2024	`TreasuryStockCommonValue`	$59.40B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$46.31B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$46.31B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$48.34B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$48.34B	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$59.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$59.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$65.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$65.00M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$37.63B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$37.63B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$48.40B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$48.40B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$46.37B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$46.37B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.42B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$117.11B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$117.11B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$115.12B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$115.12B	USD	Point-in-time

Income Statement 56 line items

Line Item	Tag	Value	Unit	Period
Sales	`Revenues`	$15.53B	USD	1 Quarter
Sales	`Revenues`	$15.53B	USD	1 Quarter
Sales	`Revenues`	$15.78B	USD	1 Quarter
Sales	`Revenues`	$15.78B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.54B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.54B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.42B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.42B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.55B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.55B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.48B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.48B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$3.99B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$3.99B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$3.62B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$3.62B	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$123.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$123.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$69.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$69.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$33.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$33.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$35.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$35.00M	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$9.63B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$9.63B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$10.11B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$10.11B	USD	1 Quarter
Income Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.90B	USD	1 Quarter
Income Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.90B	USD	1 Quarter
Income Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.67B	USD	1 Quarter
Income Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$5.67B	USD	1 Quarter
Taxes on Income	`IncomeTaxExpenseBenefit`	$903.00M	USD	1 Quarter
Taxes on Income	`IncomeTaxExpenseBenefit`	$903.00M	USD	1 Quarter
Taxes on Income	`IncomeTaxExpenseBenefit`	$818.00M	USD	1 Quarter
Taxes on Income	`IncomeTaxExpenseBenefit`	$818.00M	USD	1 Quarter
Net Income	`ProfitLoss`	$5.08B	USD	1 Quarter
Net Income	`ProfitLoss`	$5.08B	USD	1 Quarter
Net Income	`ProfitLoss`	$4.77B	USD	1 Quarter
Net Income	`ProfitLoss`	$4.77B	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.00M	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.08B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.08B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$4.76B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$4.76B	USD	1 Quarter
Basic Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$1.88	USD	1 Quarter
Basic Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$1.88	USD	1 Quarter
Basic Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$2.01	USD	1 Quarter
Basic Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$2.01	USD	1 Quarter
Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$2.01	USD	1 Quarter
Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$2.01	USD	1 Quarter
Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$1.87	USD	1 Quarter
Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$1.87	USD	1 Quarter

Cash Flow Statement 120 line items

Line Item	Tag	Value	Unit	Period
Restricted cash	`RestrictedCashAndCashEquivalents`	$76.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$76.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$103.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$103.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$92.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$92.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$68.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$68.00M	USD	Point-in-time
Net income	`ProfitLoss`	$5.08B	USD	1 Quarter
Net income	`ProfitLoss`	$5.08B	USD	1 Quarter
Net income	`ProfitLoss`	$4.77B	USD	1 Quarter
Net income	`ProfitLoss`	$4.77B	USD	1 Quarter
Amortization	`AdjustmentForAmortization`	$597.00M	USD	1 Quarter
Amortization	`AdjustmentForAmortization`	$597.00M	USD	1 Quarter
Amortization	`AdjustmentForAmortization`	$473.00M	USD	1 Quarter
Amortization	`AdjustmentForAmortization`	$473.00M	USD	1 Quarter
Depreciation	`Depreciation`	$502.00M	USD	1 Quarter
Depreciation	`Depreciation`	$502.00M	USD	1 Quarter
Depreciation	`Depreciation`	$511.00M	USD	1 Quarter
Depreciation	`Depreciation`	$511.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$143.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$143.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$90.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$90.00M	USD	1 Quarter
Charge for research and development asset acquisition	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	-	USD	1 Quarter
Charge for research and development asset acquisition	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	-	USD	1 Quarter
Charge for research and development asset acquisition	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	$656.00M	USD	1 Quarter
Charge for research and development asset acquisition	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	$656.00M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-186.00M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-186.00M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-51.00M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-51.00M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$176.00M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$176.00M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$195.00M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$195.00M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$-109.00M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$-109.00M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$-83.00M	USD	1 Quarter
Other	`OtherNoncashIncomeExpense`	$-83.00M	USD	1 Quarter
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$3.38B	USD	1 Quarter
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$3.38B	USD	1 Quarter
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$3.71B	USD	1 Quarter
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$3.71B	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$3.09B	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$3.09B	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.50B	USD	1 Quarter
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.50B	USD	1 Quarter
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.33B	USD	1 Quarter
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.33B	USD	1 Quarter
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$861.00M	USD	1 Quarter
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$861.00M	USD	1 Quarter
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$595.00M	USD	1 Quarter
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$595.00M	USD	1 Quarter
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$15.00M	USD	1 Quarter
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$15.00M	USD	1 Quarter
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$456.00M	USD	1 Quarter
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$456.00M	USD	1 Quarter
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$260.00M	USD	1 Quarter
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$260.00M	USD	1 Quarter
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$746.00M	USD	1 Quarter
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$746.00M	USD	1 Quarter
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	1 Quarter
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$14.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$14.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$20.00M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$20.00M	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.49B	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.49B	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.38B	USD	1 Quarter
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.38B	USD	1 Quarter
Payments on debt	`RepaymentsOfLongTermDebt`	$751.00M	USD	1 Quarter
Payments on debt	`RepaymentsOfLongTermDebt`	$751.00M	USD	1 Quarter
Payments on debt	`RepaymentsOfLongTermDebt`	$2.50B	USD	1 Quarter
Payments on debt	`RepaymentsOfLongTermDebt`	$2.50B	USD	1 Quarter
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$1.95B	USD	1 Quarter
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$1.95B	USD	1 Quarter
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$2.05B	USD	1 Quarter
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$2.05B	USD	1 Quarter
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$122.00M	USD	1 Quarter
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$122.00M	USD	1 Quarter
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$1.16B	USD	1 Quarter
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$1.16B	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$87.00M	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$87.00M	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$19.00M	USD	1 Quarter
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$19.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-78.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-78.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-60.00M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-60.00M	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.81B	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.81B	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-5.75B	USD	1 Quarter
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-5.75B	USD	1 Quarter
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-138.00M	USD	1 Quarter
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-138.00M	USD	1 Quarter
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$156.00M	USD	1 Quarter
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$156.00M	USD	1 Quarter
Net Decrease in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.24B	USD	1 Quarter
Net Decrease in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-1.24B	USD	1 Quarter
Net Decrease in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-4.59B	USD	1 Quarter
Net Decrease in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-4.59B	USD	1 Quarter
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.91B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.91B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.67B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.67B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.32B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.32B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.73B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $76 and $68 at January 1, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.73B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.91B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$6.91B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.67B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.67B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.32B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.32B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.73B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $103 and $92 at March 31, 2025 and 2024, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.73B	USD	Point-in-time

Comprehensive Income 24 line items

Line Item	Tag	Value	Unit	Period
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.08B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.08B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$4.76B	USD	1 Quarter
Net Income Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$4.76B	USD	1 Quarter
Net unrealized (loss) gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$130.00M	USD	1 Quarter
Net unrealized (loss) gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$130.00M	USD	1 Quarter
Net unrealized (loss) gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-217.00M	USD	1 Quarter
Net unrealized (loss) gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$-217.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$5.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$5.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$18.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$18.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-238.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-238.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$215.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$215.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-113.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-113.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-20.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-20.00M	USD	1 Quarter
Comprehensive Income Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$5.06B	USD	1 Quarter
Comprehensive Income Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$5.06B	USD	1 Quarter
Comprehensive Income Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$4.65B	USD	1 Quarter
Comprehensive Income Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$4.65B	USD	1 Quarter

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