$AMGN
AMGEN INC Stock $amgn

$amgn Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000031815421000010 Filed on February 09, 2021

Income Statement

Concept	2020 Q4	2020 Q3	2020 Q2
Revenue	$6.634B	$6.423B	$6.206B
YoY Change	7.05%	11.96%	5.71%
Cost Of Revenue	$1.597B	$1.561B	$1.488B
YoY Change	27.45%	50.68%	47.04%
Gross Profit	$4.737B	$4.543B	$4.420B
YoY Change	2.36%	2.62%	-3.11%
Gross Profit Margin	71.4%	70.73%	71.22%
Selling, General & Admin	$1.773B	$1.346B	$1.295B
YoY Change	17.18%	10.06%	2.78%
% of Gross Profit	37.43%	29.63%	29.3%
Research & Development	$1.229B	$1.062B	$964.0M
YoY Change	-6.33%	6.09%	4.33%
% of Gross Profit	25.94%	23.38%	21.81%
Depreciation & Amortization	$873.0M	$901.0M	$930.0M
YoY Change	24.36%	77.36%	85.63%
% of Gross Profit	18.43%	19.83%	21.04%
Operating Expenses	$3.029B	$2.408B	$2.259B
YoY Change	4.59%	8.27%	3.43%
Operating Profit	$1.708B	$2.453B	$2.323B
YoY Change	-1.39%	-0.93%	-13.26%
Interest Expense	-$131.0M	-$247.0M	-$293.0M
YoY Change	101.54%	24.12%	157.02%
% of Operating Profit	-7.67%	-10.07%	-12.61%
Other Income/Expense, Net		$55.00M	$3.000M
YoY Change		-51.75%	-98.62%
Pretax Income	$1.877B	$2.206B	$2.030B
YoY Change	-5.35%	-3.12%	-20.83%
Income Tax	$262.0M	$185.0M	$227.0M
% Of Pretax Income	13.96%	8.39%	11.18%
Net Earnings	$1.615B	$2.021B	$1.803B
YoY Change	-5.17%	2.69%	-17.26%
Net Earnings / Revenue	24.34%	31.47%	29.05%
Basic Earnings Per Share	$2.78	$3.45	$3.07
Diluted Earnings Per Share	$2.76	$3.43	$3.05
COMMON SHARES
Basic Shares Outstanding	582.2M shares	585.0M shares	588.0M shares
Diluted Shares Outstanding		589.0M shares	592.0M shares

Balance Sheet

Concept	2020 Q4	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$10.65B	$12.36B	$11.42B
YoY Change	19.48%	-40.73%	-47.51%
Cash & Equivalents	$6.266B	$9.087B	$9.145B
Short-Term Investments	$4.381B	$3.273B	$2.276B
Other Short-Term Assets	$2.079B	$2.265B	$2.268B
YoY Change	10.12%	-32.37%	12.78%
Inventory	$3.893B	$3.942B	$3.840B
Prepaid Expenses
Receivables	$4.525B	$4.094B	$5.366B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$21.14B	$22.66B	$22.90B
YoY Change	14.66%	-27.02%	-25.54%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.889B	$4.816B	$4.843B
YoY Change	-0.79%	-1.73%	-0.8%
Goodwill	$14.69B	$14.67B	$14.68B
YoY Change	-0.1%	-0.21%	-0.07%
Intangibles	$16.59B	$17.25B	$17.95B
YoY Change	-14.56%	157.45%	163.44%
Long-Term Investments
YoY Change
Other Assets	$5.639B	$5.232B	$4.647B
YoY Change	153.67%	140.44%	107.18%
Total Long-Term Assets	$41.80B	$41.98B	$42.12B
YoY Change	1.3%	47.37%	47.12%
TOTAL ASSETS
Total Short-Term Assets	$21.14B	$22.66B	$22.90B
Total Long-Term Assets	$41.80B	$41.98B	$42.12B
Total Assets	$62.95B	$64.64B	$65.01B
YoY Change	5.43%	8.57%	9.5%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.421B	$1.161B	$1.150B
YoY Change	3.65%	15.52%	14.89%
Accrued Expenses	$10.14B	$8.701B	$9.282B
YoY Change	19.15%	13.25%	36.4%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$91.00M	$91.00M	$91.00M
YoY Change	-96.92%	-95.56%	-96.77%
Total Short-Term Liabilities	$11.65B	$9.953B	$10.52B
YoY Change	-9.21%	-7.3%	-0.93%
LONG-TERM LIABILITIES
Long-Term Debt	$32.90B	$34.20B	$34.13B
YoY Change	22.06%	23.26%	22.79%
Other Long-Term Liabilities	$2.023B	$1.759B	$1.881B
YoY Change	-8.54%	14.0%	22.54%
Total Long-Term Liabilities	$34.92B	$35.96B	$36.01B
YoY Change	19.74%	22.78%	22.78%
TOTAL LIABILITIES
Total Short-Term Liabilities	$11.65B	$9.953B	$10.52B
Total Long-Term Liabilities	$34.92B	$35.96B	$36.01B
Total Liabilities	$46.57B	$45.91B	$46.54B
YoY Change	10.89%	14.71%	16.47%
SHAREHOLDERS EQUITY
Retained Earnings	-$21.41B	-$19.85B	-$20.17B
YoY Change	0.37%	-1.42%	0.57%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$9.409B	$10.96B	$10.66B
YoY Change
Total Liabilities & Shareholders Equity	$62.95B	$64.64B	$65.01B
YoY Change	5.43%	8.57%	9.5%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	$1.615B	$2.021B	$1.803B
YoY Change	-5.17%	2.69%	-17.26%
Depreciation, Depletion And Amortization	$873.0M	$901.0M	$930.0M
YoY Change	24.36%	77.36%	85.63%
Cash From Operating Activities	$2.153B	$3.368B	$2.842B
YoY Change	-14.36%	-0.27%	100.99%
INVESTING ACTIVITIES
Capital Expenditures	-$173.0M	-$135.0M	-$158.0M
YoY Change	-7.98%	-20.59%	9.72%
Acquisitions
YoY Change
Other Investing Activities	-$1.211B	-$1.493B	-$2.001B
YoY Change	-79.03%	-126.94%	-169.26%
Cash From Investing Activities	-$1.384B	-$1.628B	-$2.159B
YoY Change	-76.79%	-130.31%	-178.65%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-3.590B	-1.798B	775.0M
YoY Change	86.11%	-37.11%	-112.93%
NET CHANGE
Cash From Operating Activities	2.153B	3.368B	2.842B
Cash From Investing Activities	-1.384B	-1.628B	-2.159B
Cash From Financing Activities	-3.590B	-1.798B	775.0M
Net Change In Cash	-2.821B	-58.00M	1.458B
YoY Change	-47.55%	-100.98%	-179.54%
FREE CASH FLOW
Cash From Operating Activities	$2.153B	$3.368B	$2.842B
Capital Expenditures	-$173.0M	-$135.0M	-$158.0M
Free Cash Flow	$2.326B	$3.503B	$3.000B
YoY Change	-13.92%	-1.24%	92.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000318154
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesNoncurrent
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesNoncurrent
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-37702
CY2020	dei	Entity Registrant Name EntityRegistrantName	Amgen Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-3540776
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Amgen Center Drive
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91320-1799
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Thousand Oaks
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2020	dei	City Area Code CityAreaCode	805
CY2020	dei	Local Phone Number LocalPhoneNumber	447-1000
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	138056968288	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	577566383	shares
CY2020	us-gaap	Revenues Revenues	25424000000	USD
CY2019	us-gaap	Revenues Revenues	23362000000	USD
CY2020	amgn	Number Of Customers Accounting For More Than Ten Percent Of Gross Trade Receivables NumberOfCustomersAccountingForMoreThanTenPercentOfGrossTradeReceivables	3	customer
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CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5332000000	USD
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CY2018	us-gaap	Other General Expense OtherGeneralExpense	314000000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	16285000000	USD
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CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	869000000	USD
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CY2020Q4	amgn	Percentage Of Combined Net Trade Receivables From Major Customers PercentageOfCombinedNetTradeReceivablesFromMajorCustomers	0.74
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CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	605000000	shares
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CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	9000000	USD
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CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	327000000	USD
CY2018	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	-129000000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	17855000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	12500000000	USD
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CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	5.95
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3555000000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	97000000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	323000000	USD
CY2019	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	-135000000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	7640000000	USD
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CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	6.56
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3843000000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	91000000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	349000000	USD
CY2020	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	-169000000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	3497000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	9409000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7264000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	7842000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	8394000000	USD
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CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2206000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1946000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	330000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	308000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	311000000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-287000000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-289000000	USD
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CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-361000000	USD
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CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	186000000	USD
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CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	427000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	504000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	378000000	USD
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CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	66000000	USD
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CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-143000000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-249000000	USD
CY2020	amgn	Increase Decrease In Noncurrent Tax Liability IncreaseDecreaseInNoncurrentTaxLiability	-482000000	USD
CY2019	amgn	Increase Decrease In Noncurrent Tax Liability IncreaseDecreaseInNoncurrentTaxLiability	-146000000	USD
CY2018	amgn	Increase Decrease In Noncurrent Tax Liability IncreaseDecreaseInNoncurrentTaxLiability	258000000	USD
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CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1214000000	USD
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CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9150000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11296000000	USD
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	8477000000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	9394000000	USD
CY2018	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	18741000000	USD
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CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	8842000000	USD
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CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4381000000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	674000000	USD
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CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5412000000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	608000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	618000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	738000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	13617000000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-195000000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	3219000000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	24000000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	40000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	75000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	28000000	USD
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CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5401000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	5709000000	USD
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CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
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CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6450000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	4514000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1121000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3486000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7702000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	17794000000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3755000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3509000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3507000000	USD
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CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-42000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-68000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4867000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-15767000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-22490000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	229000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-908000000	USD
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CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6037000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6945000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3800000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6266000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6037000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6945000000	USD
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
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CY2020	amgn	Sales Return Provisions As Percentage Of Product Sales SalesReturnProvisionsAsPercentageOfProductSales	0.01
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CY2019	us-gaap	Advertising Expense AdvertisingExpense	789000000	USD
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CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	25424000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23362000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23747000000	USD
CY2020	amgn	Number Of Customers Accounting For More Than Ten Percent Of Revenue NumberOfCustomersAccountingForMoreThanTenPercentOfRevenue	3	customer
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CY2019	amgn	Number Of Customers Accounting For More Than Ten Percent Of Gross Trade Receivables NumberOfCustomersAccountingForMoreThanTenPercentOfGrossTradeReceivables	3	customer
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CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	330000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	308000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	311000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	72000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	67000000	USD
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CY2020	amgn	Stock Based Compensation Expense Net Of Tax StockBasedCompensationExpenseNetOfTax	258000000	USD
CY2019	amgn	Stock Based Compensation Expense Net Of Tax StockBasedCompensationExpenseNetOfTax	241000000	USD
CY2018	amgn	Stock Based Compensation Expense Net Of Tax StockBasedCompensationExpenseNetOfTax	244000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	RSUs and stock options generally vest in equal amounts on the second, third and fourth anniversaries of the grant date.
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CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	231000000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	220000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	173000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	8133000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9138000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9545000000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	921000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1284000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1270000000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	34000000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	39000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	17000000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	277000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	277000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	227000000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1232000000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1600000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1514000000	USD
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CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-51000000	USD
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CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-363000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-304000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-363000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	869000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1296000000	USD
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CY2020Q4	amgn	Deferred Tax Assets Tax Acquired Net Operating Loss And Credit Carry Forwards DeferredTaxAssetsTaxAcquiredNetOperatingLossAndCreditCarryForwards	794000000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	561000000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	92000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	91000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	301000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	269000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1892000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1787000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	571000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	517000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1321000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1270000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	903000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	1288000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	282000000	USD
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CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	148000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	53000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	189000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	233000000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1522000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1784000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	201000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	514000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3287000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3061000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2953000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	165000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	215000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	173000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	22000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	13000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	35000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	11000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	17000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	68000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	61000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3352000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3287000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3061000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	116000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	198000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	137000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	783000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	667000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.008
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.047
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.045
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.043
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.007
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.007
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.029
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.026
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.025
CY2020	amgn	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Impact On Intercompany Sales Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ImpactOnIntercompanySalesPercent	0
CY2019	amgn	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Impact On Intercompany Sales Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ImpactOnIntercompanySalesPercent	0
CY2018	amgn	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Impact On Intercompany Sales Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ImpactOnIntercompanySalesPercent	0.018
CY2020	amgn	Effective Income Tax Rate Reconciliation Interest On Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationInterestOnUncertainTaxPositionsPercent	0.011
CY2019	amgn	Effective Income Tax Rate Reconciliation Interest On Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationInterestOnUncertainTaxPositionsPercent	0.016
CY2018	amgn	Effective Income Tax Rate Reconciliation Interest On Uncertain Tax Positions Percent EffectiveIncomeTaxRateReconciliationInterestOnUncertainTaxPositionsPercent	0.012
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.014
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.010
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.62
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.010
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.003
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.007
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.004
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.107
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.142
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.121
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	1400000000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	1900000000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	1900000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7264000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	7842000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	8394000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	586000000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	605000000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	661000000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4000000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4000000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4000000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	590000000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	609000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	665000000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.40
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.96
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	12.70
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.31
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.88
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	9844000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	9845000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	8206000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	28000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8234000000	USD
CY2020Q4	us-gaap	Cash Cash	802000000	USD
CY2019Q4	us-gaap	Cash Cash	677000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	9795000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5629000000	USD
CY2020Q4	amgn	Available For Sale Securities Debt Maturities After One Through Three Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue	50000000	USD
CY2019Q4	amgn	Available For Sale Securities Debt Maturities After One Through Three Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue	2304000000	USD
CY2020Q4	amgn	Available For Sale Securities Debt Maturities After Three Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue	0	USD
CY2019Q4	amgn	Available For Sale Securities Debt Maturities After Three Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue	119000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	182000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	9845000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8234000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	37000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	92000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	29000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	36000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	4000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	394000000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	477000000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	303000000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	174000000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	112000000	USD
CY2018	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-24000000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	203000000	USD
CY2019Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	176000000	USD
CY2020Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	486000000	USD
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	358000000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	2437000000	USD
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	2227000000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	970000000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	999000000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	3893000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	3584000000	USD
CY2020Q4	us-gaap	Land Land	259000000	USD
CY2019Q4	us-gaap	Land Land	263000000	USD
CY2020Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	3857000000	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	3757000000	USD
CY2020Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	2865000000	USD
CY2019Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	2655000000	USD
CY2020Q4	amgn	Laboratory Equipment LaboratoryEquipment	1257000000	USD
CY2019Q4	amgn	Laboratory Equipment LaboratoryEquipment	1236000000	USD
CY2020Q4	amgn	Fixed Equipment FixedEquipment	2406000000	USD
CY2019Q4	amgn	Fixed Equipment FixedEquipment	2338000000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1216000000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1154000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	1091000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	975000000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	915000000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	907000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	13866000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	13285000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8977000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8357000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4889000000	USD
CY2018	us-gaap	Depreciation Depreciation	630000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4928000000	USD
CY2020	us-gaap	Depreciation Depreciation	640000000	USD
CY2019	us-gaap	Depreciation Depreciation	635000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4889000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4928000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	14703000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	14699000000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	26000000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-14000000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-22000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	14689000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	14703000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	32018000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	15461000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	16557000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	31991000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12632000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	19359000000	USD
CY2020Q4	amgn	Identifiable Intangible Assets Gross IdentifiableIntangibleAssetsGross	32048000000	USD
CY2020Q4	amgn	Identifiable Intangible Assets Accumulated Amortization IdentifiableIntangibleAssetsAccumulatedAmortization	15461000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16587000000	USD
CY2019Q4	amgn	Identifiable Intangible Assets Gross IdentifiableIntangibleAssetsGross	32045000000	USD
CY2019Q4	amgn	Identifiable Intangible Assets Accumulated Amortization IdentifiableIntangibleAssetsAccumulatedAmortization	12632000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	19413000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2800000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1400000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2600000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2500000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2400000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2400000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2200000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P7Y
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	408000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	469000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	153000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	140000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	306000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	388000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	459000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	528000000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	223000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	204000000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	34000000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	33000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	189000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	171000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	164000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	132000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	105000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	36000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	15000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	36000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	488000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	459000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y8M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y1M6D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.031
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	177000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	148000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	101000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	163000000	USD
CY2020Q4	amgn	Lessee Operating Lease Lease Not Yet Commenced Undiscounted Amount LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount	339000000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	166000000	USD
CY2020Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	1156000000	USD
CY2019Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	939000000	USD
CY2020Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	583000000	USD
CY2019Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	485000000	USD
CY2020Q4	us-gaap	Interest Receivable Current InterestReceivableCurrent	216000000	USD
CY2019Q4	us-gaap	Interest Receivable Current InterestReceivableCurrent	186000000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	124000000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	278000000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2079000000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1888000000	USD
CY2020Q4	amgn	Accrued Sales Deductions Current AccruedSalesDeductionsCurrent	4801000000	USD
CY2019Q4	amgn	Accrued Sales Deductions Current AccruedSalesDeductionsCurrent	3880000000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1098000000	USD
CY2019Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	946000000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	828000000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	981000000	USD
CY2020Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	1018000000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	557000000	USD
CY2020Q4	amgn	Accrued Sales Return Reserve Current AccruedSalesReturnReserveCurrent	474000000	USD
CY2019Q4	amgn	Accrued Sales Return Reserve Current AccruedSalesReturnReserveCurrent	564000000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1922000000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1583000000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	10141000000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	8511000000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	1188000000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	868000000	USD
CY2020Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	566000000	USD
CY2019Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	296000000	USD
CY2020Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	5000000	USD
CY2019Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	0	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	32986000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	29903000000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	91000000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2953000000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	32895000000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	26950000000	USD
CY2020Q4	amgn	Maximum Borrowing Capacity Under Commercial Paper MaximumBorrowingCapacityUnderCommercialPaper	2500000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	4277000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1541000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1400000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1500000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	24890000000	USD
CY2020Q4	amgn	Long Term Debt Maturities Repayments Of Principal Net LongTermDebtMaturitiesRepaymentsOfPrincipalNet	33608000000	USD
CY2020	us-gaap	Interest Paid InterestPaid	1200000000	USD
CY2019	us-gaap	Interest Paid InterestPaid	1300000000	USD
CY2018	us-gaap	Interest Paid InterestPaid	1500000000	USD
CY2020Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	4300000	shares
CY2020Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	933000000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	15900000	shares
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3031000000	USD
CY2018Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	56400000	shares
CY2018Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	10787000000	USD
CY2020Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2600000	shares
CY2020Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	591000000	USD
CY2019Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	13100000	shares
CY2019Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2349000000	USD
CY2018Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	18200000	shares
CY2018Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3190000000	USD
CY2020Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	3000000.0	shares
CY2020Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	752000000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	6200000	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1170000000	USD
CY2018Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	8700000	shares
CY2018Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1713000000	USD
CY2020Q4	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	5300000	shares
CY2020Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1221000000	USD
CY2019Q4	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	5100000	shares
CY2019Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1090000000	USD
CY2018Q4	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	11100000	shares
CY2018Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2165000000	USD
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	15200000	shares
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3497000000	USD
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	40200000	shares
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	7640000000	USD
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	94500000	shares
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	17855000000	USD
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	4000000000.0	USD
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	3000000000.0	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.60
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.60
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.60
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.60
CY2019Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.45
CY2019Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.45
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.45
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.45
CY2018Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.32
CY2018Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.32
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.32
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.32
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.76
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	14000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	110000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-28000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	46000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-21000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-55000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	7000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-22000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	14000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	9000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-3000000	USD
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	477000000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	10671000000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	33000000	USD
CY2020Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	603000000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	303000000	USD
CY2019Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	9086000000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	61000000	USD
CY2019Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	407000000	USD
CY2020	us-gaap	Maximum Length Of Time Foreign Currency Cash Flow Hedge MaximumLengthOfTimeForeignCurrencyCashFlowHedge	P3Y
CY2020Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	39400000000	USD
CY2019Q4	us-gaap	Notes Payable Fair Value Disclosure NotesPayableFairValueDisclosure	33700000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	33000000000.0	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	29900000000	USD
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability In Four Years TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityInFourYears	1467000000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	256000000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	1262000000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	753000000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	1289000000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	674000000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	1392000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	349000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	570000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	549000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	346000000	USD
CY2020Q2	amgn	Number Of Asserted Patents NumberOfAssertedPatents	3	patent
CY2020Q2	amgn	Number Of Asserted Patents NumberOfAssertedPatents	3	patent
CY2019Q2	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	1	claim
CY2019Q2	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	1	claim
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Numberof Annual Installments TaxCutsAndJobsActof2017IncompleteAccountingNumberofAnnualInstallments	8	installment
CY2020	amgn	Schedule Of U.S.Repatriation Tax Commitments ScheduleOfU.S.RepatriationTaxCommitments	The following table summarizes the remaining scheduled repatriation tax payments as of December 31, 2020 (in millions):<table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:85.263%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.537%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Amounts</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">587 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">587 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2023</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,100 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,467 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2025</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,834 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total remaining U.S. repatriation tax commitments</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,575 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table>
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability Next Twelve Months TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityNextTwelveMonths	587000000	USD
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability In Two Years TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityInTwoYears	587000000	USD
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability In Three Years TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityInThreeYears	1100000000	USD
CY2020Q4	amgn	Tax Cuts And Jobs Actof2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability In Five Years TaxCutsAndJobsActof2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiabilityInFiveYears	1834000000	USD
CY2020Q4	amgn	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Liability1 TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalLiability1	5575000000	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	4737000000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	4543000000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	4420000000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	4381000000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	1615000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	2021000000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	1803000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	1825000000	USD
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.78
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.45
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.07
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.09
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.76
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.43
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.05
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.07
CY2019Q4	us-gaap	Gross Profit GrossProfit	4628000000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	4427000000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	4562000000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	4231000000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	1703000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	1968000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	2179000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	1992000000	USD
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.87
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.29
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.59
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.20
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.85
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.27
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.57
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.18
CY2019Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	26000000	USD
CY2020	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	8000000	USD
CY2020	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2020	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	2000000	USD
CY2020Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	32000000	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	48000000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	0	USD
CY2019	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2019	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	22000000	USD
CY2019Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	26000000	USD
CY2017Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	51000000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	1000000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2018	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	4000000	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	48000000	USD

Files In Submission

Name	View Source	Status
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ex105image1a.jpg	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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$AMGN
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2020 Q4 Form 10-K Financial Statement

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$AMGN AMGEN INC Stock $amgn

2020 Q4 Form 10-K Financial Statement

#000031815421000010 Filed on February 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMGN
AMGEN INC Stock $amgn