10-Q Filing

MERCK & CO., INC. CIK: 310158 Q2 2024

Filing Information

Form Type	10-Q
Accession Number	`0001628280-24-034715`
Period End Date	20240630
Filing Date	20240805
Fiscal Year	2024
Fiscal Period	Q2
XBRL Instance	mrk-20240630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 160 Income Statement 112 Cash Flow Statement 152 Comprehensive Income 48

Balance Sheet 160 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$88.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$88.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$82.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$82.00M	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$3.46B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$3.46B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$3.35B	USD	Point-in-time
Inventories classified in Other assets	`InventoryNoncurrent`	$3.35B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.30B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$11.30B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.84B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.84B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.96B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.96B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.27B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$18.27B	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$252.00M	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$252.00M	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$50.00M	USD	Point-in-time
Short-term investments	`MarketableSecuritiesCurrent`	$50.00M	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
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
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 $82 in 2024 and $88 in 2023)	`AccountsReceivableNetCurrent`	$11.64B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $82 in 2024 and $88 in 2023)	`AccountsReceivableNetCurrent`	$11.64B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $82 in 2024 and $88 in 2023)	`AccountsReceivableNetCurrent`	$10.35B	USD	Point-in-time
Accounts receivable (net of allowance for doubtful accounts of $82 in 2024 and $88 in 2023)	`AccountsReceivableNetCurrent`	$10.35B	USD	Point-in-time
Inventories (excludes inventories of $3,456 in 2024 and $3,348 in 2023 classified in Other assets - see Note 6)	`InventoryNet`	$6.36B	USD	Point-in-time
Inventories (excludes inventories of $3,456 in 2024 and $3,348 in 2023 classified in Other assets - see Note 6)	`InventoryNet`	$6.36B	USD	Point-in-time
Inventories (excludes inventories of $3,456 in 2024 and $3,348 in 2023 classified in Other assets - see Note 6)	`InventoryNet`	$6.47B	USD	Point-in-time
Inventories (excludes inventories of $3,456 in 2024 and $3,348 in 2023 classified in Other assets - see Note 6)	`InventoryNet`	$6.47B	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
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	3.58B	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.37B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.37B	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`	$8.74B	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.74B	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.04B	shares	Point-in-time
Treasury stock (in shares)	`TreasuryStockCommonShares`	1.04B	shares	Point-in-time
Total current assets	`AssetsCurrent`	$38.20B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$38.20B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$32.17B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$32.17B	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$357.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$357.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$252.00M	USD	Point-in-time
Investments	`MarketableSecuritiesNoncurrent`	$252.00M	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $18,960 in 2024 and $18,266 in 2023	`PropertyPlantAndEquipmentNet`	$23.05B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $18,960 in 2024 and $18,266 in 2023	`PropertyPlantAndEquipmentNet`	$23.05B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $18,960 in 2024 and $18,266 in 2023	`PropertyPlantAndEquipmentNet`	$23.22B	USD	Point-in-time
Property, Plant and Equipment, at cost, net of accumulated depreciation of $18,960 in 2024 and $18,266 in 2023	`PropertyPlantAndEquipmentNet`	$23.22B	USD	Point-in-time
Goodwill	`Goodwill`	$21.20B	USD	Point-in-time
Goodwill	`Goodwill`	$21.20B	USD	Point-in-time
Goodwill	`Goodwill`	$21.16B	USD	Point-in-time
Goodwill	`Goodwill`	$21.16B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$18.01B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$18.01B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$16.98B	USD	Point-in-time
Other Intangibles, Net	`IntangibleAssetsNetExcludingGoodwill`	$16.98B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$12.00B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$12.00B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$12.70B	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$12.70B	USD	Point-in-time
Total Assets	`Assets`	$106.67B	USD	Point-in-time
Total Assets	`Assets`	$106.67B	USD	Point-in-time
Total Assets	`Assets`	$112.63B	USD	Point-in-time
Total Assets	`Assets`	$112.63B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$1.37B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$1.37B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$3.07B	USD	Point-in-time
Loans payable and current portion of long-term debt	`DebtCurrent`	$3.07B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.92B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.92B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.52B	USD	Point-in-time
Trade accounts payable	`AccountsPayableCurrent`	$3.52B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$14.71B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$14.71B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$15.77B	USD	Point-in-time
Accrued and other current liabilities	`OtherLiabilitiesCurrent`	$15.77B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$2.65B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$2.65B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$2.78B	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$2.78B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$1.98B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$1.98B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$1.99B	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$1.99B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$25.69B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$25.69B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$26.06B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$26.06B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$33.68B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$33.68B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$34.72B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$34.72B	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$871.00M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$871.00M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$876.00M	USD	Point-in-time
Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$876.00M	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$8.79B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$8.79B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$7.33B	USD	Point-in-time
Other Noncurrent Liabilities	`OtherLiabilitiesNoncurrent`	$7.33B	USD	Point-in-time
Common stock, $0.50 par value Authorized - 6,500,000,000 shares Issued - 3,577,103,522 shares in 2024 and 2023	`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 2024 and 2023	`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 2024 and 2023	`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 2024 and 2023	`CommonStockValue`	$1.79B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.51B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.51B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.36B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$44.36B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$60.19B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$60.19B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$53.90B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$53.90B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.36B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.36B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.16B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.16B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$95.03B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$95.03B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$100.98B	USD	Point-in-time
Stockholders' equity before deduction for treasury stock	`StockholdersEquityBeforeTreasuryStock`	$100.98B	USD	Point-in-time
Less treasury stock, at cost: 1,041,454,052 shares in 2024 and 1,045,470,249 shares in 2023	`TreasuryStockCommonValue`	$57.39B	USD	Point-in-time
Less treasury stock, at cost: 1,041,454,052 shares in 2024 and 1,045,470,249 shares in 2023	`TreasuryStockCommonValue`	$57.39B	USD	Point-in-time
Less treasury stock, at cost: 1,041,454,052 shares in 2024 and 1,045,470,249 shares in 2023	`TreasuryStockCommonValue`	$57.45B	USD	Point-in-time
Less treasury stock, at cost: 1,041,454,052 shares in 2024 and 1,045,470,249 shares in 2023	`TreasuryStockCommonValue`	$57.45B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$43.58B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$43.58B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$37.58B	USD	Point-in-time
Total Merck & Co., Inc. stockholders equity	`StockholdersEquity`	$37.58B	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$54.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$54.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$66.00M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$66.00M	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`	$46.06B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$46.06B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$43.65B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$43.65B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$40.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$46.91B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$46.91B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$38.74B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$106.67B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$106.67B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$112.63B	USD	Point-in-time
Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$112.63B	USD	Point-in-time

Income Statement 112 line items

Line Item	Tag	Value	Unit	Period
Sales	`Revenues`	$31.89B	USD	2 Qtrs
Sales	`Revenues`	$31.89B	USD	2 Qtrs
Sales	`Revenues`	$16.11B	USD	1 Quarter
Sales	`Revenues`	$16.11B	USD	1 Quarter
Sales	`Revenues`	$15.04B	USD	1 Quarter
Sales	`Revenues`	$15.04B	USD	1 Quarter
Sales	`Revenues`	$29.52B	USD	2 Qtrs
Sales	`Revenues`	$29.52B	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$4.02B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$4.02B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$7.95B	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$7.95B	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$3.75B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$3.75B	USD	1 Quarter
Cost of sales	`CostOfGoodsAndServicesSold`	$7.29B	USD	2 Qtrs
Cost of sales	`CostOfGoodsAndServicesSold`	$7.29B	USD	2 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.74B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.74B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.70B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$2.70B	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$5.22B	USD	2 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$5.22B	USD	2 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$5.18B	USD	2 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$5.18B	USD	2 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$17.60B	USD	2 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$17.60B	USD	2 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$7.49B	USD	2 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$7.49B	USD	2 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$3.50B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$3.50B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$13.32B	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$13.32B	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$202.00M	USD	2 Qtrs
Restructuring costs	`RestructuringCharges`	$202.00M	USD	2 Qtrs
Restructuring costs	`RestructuringCharges`	$218.00M	USD	2 Qtrs
Restructuring costs	`RestructuringCharges`	$218.00M	USD	2 Qtrs
Restructuring costs	`RestructuringCharges`	$151.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$151.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$80.00M	USD	1 Quarter
Restructuring costs	`RestructuringCharges`	$80.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-172.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-172.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-12.00M	USD	2 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-12.00M	USD	2 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-259.00M	USD	2 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-259.00M	USD	2 Qtrs
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-42.00M	USD	1 Quarter
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-42.00M	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$20.21B	USD	2 Qtrs
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$20.21B	USD	2 Qtrs
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$10.11B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$10.11B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$31.21B	USD	2 Qtrs
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$31.21B	USD	2 Qtrs
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$20.37B	USD	1 Quarter
Total Costs, Expenses and Other	`CostsExpensesAndOther`	$20.37B	USD	1 Quarter
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.01B	USD	1 Quarter
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$6.01B	USD	1 Quarter
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-1.69B	USD	2 Qtrs
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-1.69B	USD	2 Qtrs
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.68B	USD	2 Qtrs
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$11.68B	USD	2 Qtrs
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-5.33B	USD	1 Quarter
Income (Loss) Before Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-5.33B	USD	1 Quarter
Income Tax Provision	`IncomeTaxExpenseBenefit`	$637.00M	USD	1 Quarter
Income Tax Provision	`IncomeTaxExpenseBenefit`	$637.00M	USD	1 Quarter
Income Tax Provision	`IncomeTaxExpenseBenefit`	$1.45B	USD	2 Qtrs
Income Tax Provision	`IncomeTaxExpenseBenefit`	$1.45B	USD	2 Qtrs
Income Tax Provision	`IncomeTaxExpenseBenefit`	$1.46B	USD	2 Qtrs
Income Tax Provision	`IncomeTaxExpenseBenefit`	$1.46B	USD	2 Qtrs
Income Tax Provision	`IncomeTaxExpenseBenefit`	$545.00M	USD	1 Quarter
Income Tax Provision	`IncomeTaxExpenseBenefit`	$545.00M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$5.46B	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$5.46B	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$10.23B	USD	2 Qtrs
Net Income (Loss)	`ProfitLoss`	$10.23B	USD	2 Qtrs
Net Income (Loss)	`ProfitLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss)	`ProfitLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss)	`ProfitLoss`	$-5.97B	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-5.97B	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.00M	USD	2 Qtrs
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.00M	USD	2 Qtrs
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.00M	USD	1 Quarter
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.00M	USD	2 Qtrs
Less: Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.00M	USD	2 Qtrs
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 (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.46B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.46B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-5.97B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-5.97B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$10.22B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$10.22B	USD	2 Qtrs
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$-1.24	USD	2 Qtrs
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$-1.24	USD	2 Qtrs
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$-2.35	USD	1 Quarter
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$-2.35	USD	1 Quarter
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$4.03	USD	2 Qtrs
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$4.03	USD	2 Qtrs
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$2.15	USD	1 Quarter
Basic Earnings (Loss) per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareBasic`	$2.15	USD	1 Quarter
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$2.14	USD	1 Quarter
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$2.14	USD	1 Quarter
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$-1.24	USD	2 Qtrs
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$-1.24	USD	2 Qtrs
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$-2.35	USD	1 Quarter
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$-2.35	USD	1 Quarter
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$4.02	USD	2 Qtrs
Earnings (Loss) per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share)	`EarningsPerShareDiluted`	$4.02	USD	2 Qtrs

Cash Flow Statement 152 line items

Line Item	Tag	Value	Unit	Period
Restricted cash	`RestrictedCashAndCashEquivalents`	$68.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$68.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$52.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$52.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$79.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$79.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$69.00M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$69.00M	USD	Point-in-time
Net income (loss)	`ProfitLoss`	$5.46B	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$5.46B	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$10.23B	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$10.23B	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-3.15B	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-3.15B	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-5.97B	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-5.97B	USD	1 Quarter
Amortization	`AdjustmentForAmortization`	$1.02B	USD	2 Qtrs
Amortization	`AdjustmentForAmortization`	$1.02B	USD	2 Qtrs
Amortization	`AdjustmentForAmortization`	$1.09B	USD	2 Qtrs
Amortization	`AdjustmentForAmortization`	$1.09B	USD	2 Qtrs
Depreciation	`Depreciation`	$874.00M	USD	2 Qtrs
Depreciation	`Depreciation`	$874.00M	USD	2 Qtrs
Depreciation	`Depreciation`	$1.03B	USD	2 Qtrs
Depreciation	`Depreciation`	$1.03B	USD	2 Qtrs
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$274.00M	USD	2 Qtrs
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$274.00M	USD	2 Qtrs
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$56.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$56.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$-175.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$-175.00M	USD	1 Quarter
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$200.00M	USD	2 Qtrs
Income from investments in equity securities, net	`EquitySecuritiesFvNiGainLoss`	$200.00M	USD	2 Qtrs
Charge for the acquisition of Harpoon Therapeutics, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionTwo`	-	USD	2 Qtrs
Charge for the acquisition of Harpoon Therapeutics, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionTwo`	-	USD	2 Qtrs
Charge for the acquisition of Harpoon Therapeutics, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionTwo`	$656.00M	USD	2 Qtrs
Charge for the acquisition of Harpoon Therapeutics, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionTwo`	$656.00M	USD	2 Qtrs
Charge for the acquisition of Prometheus Biosciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionThree`	$10.22B	USD	2 Qtrs
Charge for the acquisition of Prometheus Biosciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionThree`	$10.22B	USD	2 Qtrs
Charge for the acquisition of Prometheus Biosciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionThree`	-	USD	2 Qtrs
Charge for the acquisition of Prometheus Biosciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationOrJointVentureFormationWriteoffAssetAcquisitionThree`	-	USD	2 Qtrs
Charge for the acquisition of Imago BioSciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	$1.19B	USD	2 Qtrs
Charge for the acquisition of Imago BioSciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	$1.19B	USD	2 Qtrs
Charge for the acquisition of Imago BioSciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	-	USD	2 Qtrs
Charge for the acquisition of Imago BioSciences, Inc.	`ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff`	-	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-232.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-232.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-632.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-632.00M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$379.00M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$379.00M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$314.00M	USD	2 Qtrs
Share-based compensation	`ShareBasedCompensation`	$314.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-5.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-5.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-174.00M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-174.00M	USD	2 Qtrs
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$4.53B	USD	2 Qtrs
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$4.53B	USD	2 Qtrs
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$4.39B	USD	2 Qtrs
Net changes in assets and liabilities	`IncreaseDecreaseInOperatingCapital`	$4.39B	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$5.04B	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$5.04B	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$8.73B	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$8.73B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.65B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.65B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.97B	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.97B	USD	2 Qtrs
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$64.00M	USD	2 Qtrs
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$64.00M	USD	2 Qtrs
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$587.00M	USD	2 Qtrs
Purchases of securities and other investments	`PaymentsToAcquireInvestments`	$587.00M	USD	2 Qtrs
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$320.00M	USD	2 Qtrs
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$320.00M	USD	2 Qtrs
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$785.00M	USD	2 Qtrs
Proceeds from sales of securities and other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$785.00M	USD	2 Qtrs
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$746.00M	USD	2 Qtrs
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$746.00M	USD	2 Qtrs
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Harpoon Therapeutics, Inc., net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Prometheus Biosciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessThreeNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Prometheus Biosciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessThreeNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Prometheus Biosciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessThreeNetOfCashAcquired`	$10.71B	USD	2 Qtrs
Acquisition of Prometheus Biosciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessThreeNetOfCashAcquired`	$10.71B	USD	2 Qtrs
Acquisition of Imago BioSciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessTwoNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Imago BioSciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessTwoNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of Imago BioSciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessTwoNetOfCashAcquired`	$1.33B	USD	2 Qtrs
Acquisition of Imago BioSciences, Inc., net of cash acquired	`PaymentsToAcquireBusinessTwoNetOfCashAcquired`	$1.33B	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$303.00M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$303.00M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.00M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.00M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.44B	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.44B	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-13.80B	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-13.80B	USD	2 Qtrs
Net change in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	-	USD	2 Qtrs
Net change in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	-	USD	2 Qtrs
Net change in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	$1.94B	USD	2 Qtrs
Net change in short-term borrowings	`ProceedsFromRepaymentsOfShortTermDebt`	$1.94B	USD	2 Qtrs
Proceeds from issuance of debt	`ProceedsFromIssuanceOfDebt`	$3.60B	USD	2 Qtrs
Proceeds from issuance of debt	`ProceedsFromIssuanceOfDebt`	$3.60B	USD	2 Qtrs
Proceeds from issuance of debt	`ProceedsFromIssuanceOfDebt`	$5.95B	USD	2 Qtrs
Proceeds from issuance of debt	`ProceedsFromIssuanceOfDebt`	$5.95B	USD	2 Qtrs
Payments on debt	`RepaymentsOfLongTermDebt`	$751.00M	USD	2 Qtrs
Payments on debt	`RepaymentsOfLongTermDebt`	$751.00M	USD	2 Qtrs
Payments on debt	`RepaymentsOfLongTermDebt`	$1.75B	USD	2 Qtrs
Payments on debt	`RepaymentsOfLongTermDebt`	$1.75B	USD	2 Qtrs
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$3.94B	USD	2 Qtrs
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$3.94B	USD	2 Qtrs
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$3.74B	USD	2 Qtrs
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$3.74B	USD	2 Qtrs
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$487.00M	USD	2 Qtrs
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$487.00M	USD	2 Qtrs
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$373.00M	USD	2 Qtrs
Purchases of treasury stock	`PaymentsForRepurchaseOfCommonStock`	$373.00M	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$112.00M	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$112.00M	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$160.00M	USD	2 Qtrs
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$160.00M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-298.00M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-298.00M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-315.00M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-315.00M	USD	2 Qtrs
Net Cash (Used in) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.60B	USD	2 Qtrs
Net Cash (Used in) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.60B	USD	2 Qtrs
Net Cash (Used in) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.70B	USD	2 Qtrs
Net Cash (Used in) Provided by Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.70B	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-220.00M	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-220.00M	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-6.00M	USD	2 Qtrs
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-6.00M	USD	2 Qtrs
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$4.46B	USD	2 Qtrs
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$4.46B	USD	2 Qtrs
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-7.06B	USD	2 Qtrs
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-7.06B	USD	2 Qtrs
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.71B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.71B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$11.37B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$11.37B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, 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 $68 and $79 at January 1, 2024 and 2023, 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 $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.77B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $68 and $79 at January 1, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.77B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.71B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$5.71B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$11.37B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$11.37B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, 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 $69 and $52 at June 30, 2024 and 2023, 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 $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.77B	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $69 and $52 at June 30, 2024 and 2023, respectively, included in Other current assets)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.77B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.46B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$5.46B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-3.15B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-5.97B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$-5.97B	USD	1 Quarter
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$10.22B	USD	2 Qtrs
Net Income (Loss) Attributable to Merck & Co., Inc.	`NetIncomeLoss`	$10.22B	USD	2 Qtrs
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$197.00M	USD	2 Qtrs
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$197.00M	USD	2 Qtrs
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$145.00M	USD	1 Quarter
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$145.00M	USD	1 Quarter
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$12.00M	USD	2 Qtrs
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$12.00M	USD	2 Qtrs
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$67.00M	USD	1 Quarter
Net unrealized gain on derivatives, net of reclassifications	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent`	$67.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$25.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$25.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$75.00M	USD	2 Qtrs
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$75.00M	USD	2 Qtrs
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$15.00M	USD	2 Qtrs
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$15.00M	USD	2 Qtrs
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$10.00M	USD	1 Quarter
Benefit plan net (loss) gain and prior service (cost) credit, net of amortization	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$10.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-137.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-137.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-69.00M	USD	2 Qtrs
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-69.00M	USD	2 Qtrs
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-144.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-144.00M	USD	1 Quarter
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-382.00M	USD	2 Qtrs
Cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-382.00M	USD	2 Qtrs
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-200.00M	USD	2 Qtrs
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-200.00M	USD	2 Qtrs
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-132.00M	USD	2 Qtrs
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-132.00M	USD	2 Qtrs
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-17.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-17.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-87.00M	USD	1 Quarter
Other comprehensive income (loss), net of taxes	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-87.00M	USD	1 Quarter
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$10.02B	USD	2 Qtrs
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$10.02B	USD	2 Qtrs
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$-3.29B	USD	2 Qtrs
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$-3.29B	USD	2 Qtrs
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$-5.99B	USD	1 Quarter
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$-5.99B	USD	1 Quarter
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$5.37B	USD	1 Quarter
Comprehensive Income (Loss) Attributable to Merck & Co., Inc.	`ComprehensiveIncomeNetOfTax`	$5.37B	USD	1 Quarter

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