$DGX
QUEST DIAGNOSTICS INC Stock $dgx

$dgx Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000102207922000027 Filed on February 28, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$2.744B	$1.000M	$3.002B
YoY Change	-8.59%	-66.67%	55.87%
Cost Of Revenue	$1.679B	$6.579B	$1.822B
YoY Change	-7.85%	13.35%	44.83%
Gross Profit	$1.065B	-$6.578B	$1.269B
YoY Change	-16.08%	-281.06%	91.69%
Gross Profit Margin	38.81%	-657800.0%	42.27%
Selling, General & Admin	$442.0M	$1.727B	$436.0M
YoY Change	1.38%	11.42%	30.15%
% of Gross Profit	41.5%		34.36%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$106.0M	$408.0M	$98.00M
YoY Change	8.16%	13.02%	19.51%
% of Gross Profit	9.95%		7.72%
Operating Expenses	$468.0M	$1.727B	$462.0M
YoY Change	1.3%	11.42%	69.85%
Operating Profit	$597.0M	$2.381B	$807.0M
YoY Change	-26.02%	20.8%	106.92%
Interest Expense	-$37.00M	$152.0M	-$39.00M
YoY Change	-5.13%	-8.43%	-7.14%
% of Operating Profit	-6.2%	6.38%	-4.83%
Other Income/Expense, Net	$3.000M	$218.0M	$2.000M
YoY Change	50.0%	-350.57%	-71.43%
Pretax Income	$502.0M	$2.500B	$758.0M
YoY Change	-33.77%	31.58%	131.1%
Income Tax	$114.0M	$597.0M	$191.0M
% Of Pretax Income	22.71%	23.88%	25.2%
Net Earnings	$390.0M	$1.995B	$579.0M
YoY Change	-32.64%	39.41%	128.85%
Net Earnings / Revenue	14.21%	199500.0%	19.29%
Basic Earnings Per Share		$15.85	$4.28
Diluted Earnings Per Share	$3.120M	$15.55	$4.21
COMMON SHARES
Basic Shares Outstanding	122.7M shares	125.0M shares	134.8M shares
Diluted Shares Outstanding		128.0M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$872.0M	$872.0M	$1.158B
YoY Change	-24.7%	-24.7%	-2.85%
Cash & Equivalents	$872.0M	$872.0M	$1.158B
Short-Term Investments
Other Short-Term Assets	$223.0M	$223.0M	$154.0M
YoY Change	44.81%	44.81%	37.5%
Inventory	$208.0M	$208.0M	$223.0M
Prepaid Expenses
Receivables	$1.438B	$1.438B	$1.520B
Other Receivables	$0.00	$0.00	$3.000M
Total Short-Term Assets	$2.741B	$2.741B	$3.058B
YoY Change	-10.37%	-10.37%	22.81%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.707B	$2.304B	$1.627B
YoY Change	4.92%	3.27%	11.98%
Goodwill	$7.095B		$6.873B
YoY Change	3.23%		3.84%
Intangibles	$1.167B		$1.167B
YoY Change	0.0%		4.1%
Long-Term Investments	$141.0M	$141.0M	$521.0M
YoY Change	-72.94%	-72.94%	8.09%
Other Assets	$163.0M	$163.0M	$176.0M
YoY Change	-7.39%	-7.39%	10.0%
Total Long-Term Assets	$10.87B	$10.87B	$10.97B
YoY Change	-0.89%	-0.89%	5.94%
TOTAL ASSETS
Total Short-Term Assets	$2.741B	$2.741B	$3.058B
Total Long-Term Assets	$10.87B	$10.87B	$10.97B
Total Assets	$13.61B	$13.61B	$14.03B
YoY Change	-2.96%	-2.96%	9.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.600B	$357.0M	$1.633B
YoY Change	-2.02%	-19.96%	56.87%
Accrued Expenses	$460.0M	$1.189B	$356.0M
YoY Change	29.21%	12.59%	59.64%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$116.0M	$0.00
YoY Change		-24.18%
Long-Term Debt Due	$2.000M	$2.000M	$2.000M
YoY Change	0.0%	0.0%	-99.75%
Total Short-Term Liabilities	$1.753B	$1.753B	$1.776B
YoY Change	-1.3%	-1.3%	-10.75%
LONG-TERM LIABILITIES
Long-Term Debt	$4.010B	$4.010B	$4.013B
YoY Change	-0.07%	-0.07%	1.19%
Other Long-Term Liabilities	$792.0M	$1.286B	$847.0M
YoY Change	-6.49%	-4.46%	19.13%
Total Long-Term Liabilities	$4.802B	$5.296B	$4.860B
YoY Change	-1.19%	-1.18%	3.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.753B	$1.753B	$1.776B
Total Long-Term Liabilities	$4.802B	$5.296B	$4.860B
Total Liabilities	$6.555B	$7.167B	$6.636B
YoY Change	-1.22%	-1.38%	-0.46%
SHAREHOLDERS EQUITY
Retained Earnings	$7.649B		$9.303B
YoY Change	-17.78%		13.81%
Common Stock	$2.262B		$2.843B
YoY Change	-20.44%		4.37%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.453B		$5.366B
YoY Change	-35.65%		2.84%
Treasury Stock Shares	43.00M shares		84.00M shares
Shareholders Equity	$6.444B	$6.444B	$6.759B
YoY Change
Total Liabilities & Shareholders Equity	$13.61B	$13.61B	$14.03B
YoY Change	-2.96%	-2.96%	9.21%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$390.0M	$1.995B	$579.0M
YoY Change	-32.64%	39.41%	128.85%
Depreciation, Depletion And Amortization	$106.0M	$408.0M	$98.00M
YoY Change	8.16%	13.02%	19.51%
Cash From Operating Activities	$481.0M	$2.233B	$541.0M
YoY Change	-11.09%	11.37%	55.46%
INVESTING ACTIVITIES
Capital Expenditures	-$144.0M	$403.0M	-$162.0M
YoY Change	-11.11%	-3.59%	-5.81%
Acquisitions		$331.0M
YoY Change		0.3%
Other Investing Activities	-$83.00M	$3.000M	-$6.000M
YoY Change	1283.33%	-88.89%	-108.33%
Cash From Investing Activities	-$227.0M	$21.00M	-$168.0M
YoY Change	35.12%	-102.72%	68.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$2.199B
YoY Change		576.62%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-369.0M	-$2.540B	-820.0M
YoY Change	-55.0%	100.47%	-260.78%
NET CHANGE
Cash From Operating Activities	481.0M	$2.233B	541.0M
Cash From Investing Activities	-227.0M	$21.00M	-168.0M
Cash From Financing Activities	-369.0M	-$2.540B	-820.0M
Net Change In Cash	-115.0M	-$286.0M	-447.0M
YoY Change	-74.27%	741.18%	-158.97%
FREE CASH FLOW
Cash From Operating Activities	$481.0M	$2.233B	$541.0M
Capital Expenditures	-$144.0M	$403.0M	-$162.0M
Free Cash Flow	$625.0M	$1.830B	$703.0M
YoY Change	-11.1%	15.31%	35.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001022079
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2016Q3	dgx	Agreementto Outsource Billingand Collection Function AgreementtoOutsourceBillingandCollectionFunction	P10Y
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-12215
CY2021	dei	Entity Registrant Name EntityRegistrantName	Quest Diagnostics Inc
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	16-1387862
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	500 Plaza Drive
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CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	838000000	USD
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CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	20000000	USD
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CY2020	us-gaap	Net Income Loss NetIncomeLoss	1431000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	858000000	USD
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CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
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CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
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CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.47
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CY2019	us-gaap	Profit Loss ProfitLoss	906000000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	15000000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20000000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2087000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1517000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	926000000	USD
CY2020	dgx	Investmentwithout Readily Determinable Fair Value Impairment InvestmentwithoutReadilyDeterminableFairValueImpairment	0	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	85000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	68000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	48000000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2002000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1449000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	878000000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	2080000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1499000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	906000000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	408000000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	361000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	329000000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4000000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	19000000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11000000	USD
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-57000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	85000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15000000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	79000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	97000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	56000000	USD
CY2021	dgx	Gain Loss On Disposition Of Joint Venture GainLossOnDispositionOfJointVenture	314000000	USD
CY2020	dgx	Gain Loss On Disposition Of Joint Venture GainLossOnDispositionOfJointVenture	0	USD
CY2019	dgx	Gain Loss On Disposition Of Joint Venture GainLossOnDispositionOfJointVenture	0	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-9000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	70000000	USD
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	63000000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	81000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	39000000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-81000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	455000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	63000000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	35000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	452000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	73000000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-20000000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	22000000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	29000000	USD
CY2021	dgx	Termination Of Interest Rate Swap Agreements TerminationOfInterestRateSwapAgreements	0	USD
CY2020	dgx	Termination Of Interest Rate Swap Agreements TerminationOfInterestRateSwapAgreements	40000000	USD
CY2019	dgx	Termination Of Interest Rate Swap Agreements TerminationOfInterestRateSwapAgreements	0	USD
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	9000000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	37000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	4000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2233000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2005000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1243000000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	331000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	330000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	58000000	USD
CY2021	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	755000000	USD
CY2020	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2019	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3000000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3000000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	91000000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	403000000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	418000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	400000000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	27000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	44000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	21000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-772000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-411000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	749000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2281000000	USD
CY2021	us-gaap	Repayments Of Debt RepaymentsOfDebt	2000000	USD
CY2020	us-gaap	Repayments Of Debt RepaymentsOfDebt	1554000000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	1449000000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2199000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	325000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	353000000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	129000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	189000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	119000000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	22000000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15000000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	16000000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	309000000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	297000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	286000000	USD
CY2021	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	99000000	USD
CY2020	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	58000000	USD
CY2019	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	54000000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-38000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	44000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-17000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2540000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1267000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	225000000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-286000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-34000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1057000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1158000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1192000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	135000000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	872000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1158000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1192000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5267000000	USD
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	77000000	USD
CY2019	dgx	Net Income Loss Excluding Redeemable Noncontrolling Interest NetIncomeLossExcludingRedeemableNoncontrollingInterest	900000000	USD
CY2019	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	6000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20000000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	286000000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	47000000	USD
CY2019	dgx	Temporaryequity Noncontrollinginterest Decreasefrom Distributionsto Noncontrolling Interest Holders TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders	7000000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	24000000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	56000000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	119000000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	16000000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	350000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5687000000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	76000000	USD
CY2020	dgx	Net Income Loss Excluding Redeemable Noncontrolling Interest NetIncomeLossExcludingRedeemableNoncontrollingInterest	1484000000	USD
CY2020	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	15000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18000000	USD
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	302000000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	49000000	USD
CY2020	dgx	Temporaryequity Noncontrollinginterest Decreasefrom Distributionsto Noncontrolling Interest Holders TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders	9000000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	25000000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	97000000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	189000000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	15000000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	325000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6809000000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	82000000	USD
CY2021	dgx	Net Income Loss Excluding Redeemable Noncontrolling Interest NetIncomeLossExcludingRedeemableNoncontrollingInterest	2067000000	USD
CY2021	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	13000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7000000	USD
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	307000000	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	83000000	USD
CY2021	dgx	Temporaryequity Noncontrollinginterest Decreasefrom Distributionsto Noncontrolling Interest Holders TemporaryequityNoncontrollinginterestDecreasefromDistributionstoNoncontrollingInterestHolders	16000000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	26000000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	79000000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	129000000	USD
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	22000000	USD
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2222000000	USD
CY2021	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6483000000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	79000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	838000000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	DESCRIPTION OF BUSINESS<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Background</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Quest Diagnostics Incorporated and its subsidiaries ("Quest Diagnostics" or the "Company") empower people to take action to improve health outcomes. The Company uses its extensive database of clinical lab results to derive diagnostic insights that reveal new avenues to identify and treat disease, inspire healthy behaviors and improve healthcare management. The Company's diagnostic information services business ("DIS") provides information and insights based on the industry-leading menu of routine, non-routine and advanced clinical testing and anatomic pathology testing, and other diagnostic information services. The Company provides services to a broad range of customers, including patients, clinicians, hospitals, independent delivery networks ("IDNs"), health plans, employers, accountable care organizations ("ACOs"), and direct contract entities ("DCEs"). The Company offers the broadest access in the United States to diagnostic information services through its nationwide network of laboratories, patient service centers and phlebotomists in physician offices and the Company's connectivity resources, including call centers and mobile paramedics, nurses and other health and wellness professionals. The Company is the world's leading provider of diagnostic information services. The Company provides interpretive consultation with one of the largest medical and scientific staffs in the industry. The Company's Diagnostic Solutions businesses ("DS") are the leading provider of risk assessment services for the life insurance industry and offer healthcare organizations and clinicians robust information technology solutions.</span></div>
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CY2019	dgx	Income Tax Expense Benefit Dueto Releaseof Valuation Allowance Associated With Net Operating Loss Carryforwards IncomeTaxExpenseBenefitDuetoReleaseofValuationAllowanceAssociatedWithNetOperatingLossCarryforwards	12000000	USD
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CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	329000000	USD
CY2021	us-gaap	Interest Expense InterestExpense	152000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	166000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	180000000	USD
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1000000	USD
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3000000	USD
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	5000000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-151000000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-163000000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-175000000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	159000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	201000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	192000000	USD
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	709000000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	360000000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	202000000	USD
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	26000000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	46000000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	26000000	USD
CY2021Q4	dgx	Treasury Stock Purchasedbut Notyet Paid TreasuryStockPurchasedbutNotyetPaid	23000000	USD
CY2020Q4	dgx	Treasury Stock Purchasedbut Notyet Paid TreasuryStockPurchasedbutNotyetPaid	0	USD
CY2019Q4	dgx	Treasury Stock Purchasedbut Notyet Paid TreasuryStockPurchasedbutNotyetPaid	0	USD
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	74000000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	76000000	USD
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	71000000	USD
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	60000000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	54000000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	48000000	USD
CY2021	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	354000000	USD
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	368000000	USD
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	63000000	USD
CY2021	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	18000000	USD
CY2020	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	17000000	USD
CY2021	dgx	Fair Value Of Net Assets Acquired FairValueOfNetAssetsAcquired	336000000	USD
CY2020	dgx	Fair Value Of Net Assets Acquired FairValueOfNetAssetsAcquired	351000000	USD
CY2019	dgx	Fair Value Of Net Assets Acquired FairValueOfNetAssetsAcquired	63000000	USD
CY2021	dgx	Mergerconsiderationpaidpayablenet Mergerconsiderationpaidpayablenet	-5000000	USD
CY2021	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	2000000	shares
CY2020	dgx	Mergerconsiderationpaidpayablenet Mergerconsiderationpaidpayablenet	0	USD
CY2019	dgx	Mergerconsiderationpaidpayablenet Mergerconsiderationpaidpayablenet	-5000000	USD
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	331000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	351000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	58000000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	21000000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	331000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	330000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	58000000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	185000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	185000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	180000000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2000000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	3000000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	3000000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3000000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	4000000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	150000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	219000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	164000000	USD
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1000000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4795000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4619000000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3088000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2992000000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1707000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1627000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	6873000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	6619000000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	228000000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	247000000	USD
CY2021	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	-6000000	USD
CY2020	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	3000000	shares
CY2020	us-gaap	Goodwill Period Increase Decrease GoodwillPeriodIncreaseDecrease	7000000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	7095000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	6873000000	USD
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	2070000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	903000000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1167000000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1967000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	800000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1167000000	USD
CY2021Q1	dgx	Stock Repurchase Program Additional Amount Authorized StockRepurchaseProgramAdditionalAmountAuthorized	1000000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	105000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	103000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	100000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	98000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	93000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	432000000	USD
CY2021Q4	dgx	Finite Lived Intangible Assets Estimated Amortization Expense Total FiniteLivedIntangibleAssetsEstimatedAmortizationExpenseTotal	931000000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	518000000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	502000000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	460000000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	356000000	USD
CY2021Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	357000000	USD
CY2020Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	446000000	USD
CY2021Q4	us-gaap	Bank Overdrafts BankOverdrafts	116000000	USD
CY2020Q4	us-gaap	Bank Overdrafts BankOverdrafts	153000000	USD
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	74000000	USD
CY2020Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	76000000	USD
CY2021Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	34000000	USD
CY2020Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	31000000	USD
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	26000000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	26000000	USD
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	10000000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	43000000	USD
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	2000000	shares
CY2021Q4	dgx	Merger Consideration Payable Current MergerConsiderationPayableCurrent	5000000	USD
CY2020Q4	dgx	Merger Consideration Payable Current MergerConsiderationPayableCurrent	0	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	1600000000	USD
CY2021	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	55000000	shares
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	1633000000	USD
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	25000000	USD
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	28000000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	4012000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	4015000000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2000000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2000000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4010000000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4013000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	2000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	2000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	303000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	603000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	503000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2596000000	USD
CY2021Q4	dgx	Long Term Debt Maturities Gross LongTermDebtMaturitiesGross	4009000000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	10000000	USD
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	25000000	USD
CY2021Q4	dgx	Debt Instrument Fair Value Basis Adjustment Attributable To Hedged Debt DebtInstrumentFairValueBasisAdjustmentAttributableToHedgedDebt	-38000000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	4012000000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2000000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4010000000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3000000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	597000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	604000000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	29000000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	22000000	USD
CY2021Q4	dgx	Lease Rightof Use Asset LeaseRightofUseAsset	626000000	USD
CY2020Q4	dgx	Lease Rightof Use Asset LeaseRightofUseAsset	626000000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	151000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	141000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2000000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	494000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	499000000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.56
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	32000000	USD
CY2021Q1	dgx	Stock Repurchase Program Additional Amount Authorized StockRepurchaseProgramAdditionalAmountAuthorized	1000000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	25000000	USD
CY2021Q4	dgx	Lease Liability LeaseLiability	679000000	USD
CY2020Q4	dgx	Lease Liability LeaseLiability	667000000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	8000000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	14000000	USD
CY2021	dgx	Operating Lease Fixed And Variable Cost OperatingLeaseFixedAndVariableCost	321000000	USD
CY2020	dgx	Operating Lease Fixed And Variable Cost OperatingLeaseFixedAndVariableCost	300000000	USD
CY2019	dgx	Operating Lease Fixed And Variable Cost OperatingLeaseFixedAndVariableCost	294000000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	2000000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	6000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	7000000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2000000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3000000	USD
CY2021	us-gaap	Lease Cost LeaseCost	325000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	309000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	304000000	USD
CY2021	dgx	Shortterm Leaseand Variable Lease Cost ShorttermLeaseandVariableLeaseCost	140000000	USD
CY2020	dgx	Shortterm Leaseand Variable Lease Cost ShorttermLeaseandVariableLeaseCost	120000000	USD
CY2019	dgx	Shortterm Leaseand Variable Lease Cost ShorttermLeaseandVariableLeaseCost	120000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	169000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	4000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due Next Twelve Months LesseeOperatingandFinanceLeaseLiabilityPaymentsDueNextTwelveMonths	173000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	153000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due Year Two LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearTwo	157000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	116000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due Year Three LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearThree	121000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	83000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	5000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due Year Four LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFour	88000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	54000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	5000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due Year Five LesseeOperatingandFinanceLeaseLiabilityPaymentsDueYearFive	59000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	139000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	27000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Dueafter Year Five LesseeOperatingandFinanceLeaseLiabilityPaymentsDueafterYearFive	166000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	714000000	USD
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.56
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	50000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Payments Due LesseeOperatingandFinanceLeaseLiabilityPaymentsDue	764000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	69000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	16000000	USD
CY2021Q4	dgx	Lessee Operatingand Finance Lease Liability Undiscounted Excess Amount LesseeOperatingandFinanceLeaseLiabilityUndiscountedExcessAmount	85000000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	645000000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	34000000	USD
CY2021Q4	dgx	Operatingand Finance Lease Liability OperatingandFinanceLeaseLiability	679000000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P13Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.030
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.56
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.081
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.069
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	369000000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	76000000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	20000000	USD
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.62
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.56
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	75000000	USD
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2021Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	700000000	USD
CY2021Q4	dgx	Treasury Stock Purchasedbut Notyet Paid TreasuryStockPurchasedbutNotyetPaid	23000000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	79000000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	82000000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2021Q4	dgx	Unrecorded Unconditional Purchase Obligation Duewithin Twoand Three Years UnrecordedUnconditionalPurchaseObligationDuewithinTwoandThreeYears	87000000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	21.82
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.25
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.30
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.256
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.203
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.204
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.020
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.020
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.024
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.006
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.015
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.025
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y9M18D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	84000000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y2M12D
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	79000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	97000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	56000000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	32000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	39000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	27000000	USD
CY2021	dgx	Sharebasedcompensationexcesstaxbenefitamount Sharebasedcompensationexcesstaxbenefitamount	19000000	USD
CY2020	dgx	Sharebasedcompensationexcesstaxbenefitamount Sharebasedcompensationexcesstaxbenefitamount	23000000	USD
CY2019	dgx	Sharebasedcompensationexcesstaxbenefitamount Sharebasedcompensationexcesstaxbenefitamount	13000000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	93000000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	64000000	USD
CY2021Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	252000000	USD
CY2021Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	53000000	USD
CY2021	dgx	Remaining Termsof Contingent Lease Obligations Maximum RemainingTermsofContingentLeaseObligationsMaximum	P26Y
CY2020	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
CY2020	us-gaap	Loss Contingency New Claims Filed Number LossContingencyNewClaimsFiledNumber	2	claim
CY2021Q4	us-gaap	Litigation Reserve LitigationReserve	4000000	USD
CY2020Q4	us-gaap	Litigation Reserve LitigationReserve	1000000	USD
CY2021Q4	us-gaap	Malpractice Loss Contingency Accrual Undiscounted MalpracticeLossContingencyAccrualUndiscounted	159000000	USD
CY2020Q4	us-gaap	Malpractice Loss Contingency Accrual Undiscounted MalpracticeLossContingencyAccrualUndiscounted	138000000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10788000000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9437000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	7726000000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	2381000000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	1971000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1231000000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	218000000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-87000000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-155000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2599000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1884000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1076000000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	597000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	460000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	247000000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	78000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	57000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2080000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1499000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	886000000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20000000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	2080000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	1499000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	906000000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	85000000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	68000000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	48000000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1995000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1431000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	858000000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	408000000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	361000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	329000000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	403000000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	418000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	400000000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	10788000000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9437000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	7726000000	USD

Files In Submission

Name	View Source	Status
0001022079-22-000027-index-headers.html	Edgar Link	pending
0001022079-22-000027-index.html	Edgar Link	pending
0001022079-22-000027.txt	Edgar Link	pending
0001022079-22-000027-xbrl.zip	Edgar Link	pending
dgx-20211231.htm	Edgar Link	pending
dgx-20211231.xsd	Edgar Link	pending
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dgx-20211231_def.xml	Edgar Link	unprocessable
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dgx-20211231_pre.xml	Edgar Link	unprocessable
dgx12312021ex211.htm	Edgar Link	pending
dgx12312021ex22.htm	Edgar Link	pending
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dgx12312021ex999.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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$DGX
QUEST DIAGNOSTICS INC Stock $dgx

2021 Q4 Form 10-K Financial Statement

#000102207922000027 Filed on February 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DGX QUEST DIAGNOSTICS INC Stock $dgx

2021 Q4 Form 10-K Financial Statement

#000102207922000027 Filed on February 28, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DGX
QUEST DIAGNOSTICS INC Stock $dgx