$LH
LABCORP HOLDINGS INC. Stock $lh

$lh Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000092014821000070 Filed on November 02, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$4.056B	$4.063B	$3.896B
YoY Change	-9.66%	4.27%	33.04%
Cost Of Revenue	$2.681B	$2.677B	$2.337B
YoY Change	3.72%	14.57%	10.68%
Gross Profit	$1.375B	$1.386B	$1.559B
YoY Change	-27.82%	-11.15%	90.8%
Gross Profit Margin	33.9%	34.1%	40.02%
Selling, General & Admin	$525.8M	$519.9M	$419.5M
YoY Change	5.54%	23.93%	4.48%
% of Gross Profit	38.24%	37.52%	26.9%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$188.0M	$186.1M	$152.3M
YoY Change	2.23%	22.19%	5.54%
% of Gross Profit	13.67%	13.43%	9.77%
Operating Expenses	$618.7M	$519.9M	$419.5M
YoY Change	5.04%	23.93%	4.48%
Operating Profit	$756.3M	$766.9M	$1.047B
YoY Change	-42.53%	-26.76%	208.06%
Interest Expense	-$43.20M	$42.20M	$51.40M
YoY Change	-12.2%	-17.9%	-15.04%
% of Operating Profit	-5.71%	5.5%	4.91%
Other Income/Expense, Net	-$1.300M	$1.300M	-$100.0M
YoY Change	0.0%	-101.3%	90.48%
Pretax Income	$686.0M	$768.2M	$947.1M
YoY Change	-44.8%	-18.89%	229.54%
Income Tax	$132.4M	$180.4M	$243.4M
% Of Pretax Income	19.3%	23.48%	25.7%
Net Earnings	$553.0M	$587.3M	$703.4M
YoY Change	-41.06%	-16.51%	-321.75%
Net Earnings / Revenue	13.63%	14.46%	18.05%
Basic Earnings Per Share		$6.10	$7.22
Diluted Earnings Per Share	$5.742M	$6.05	$7.17
COMMON SHARES
Basic Shares Outstanding	95.70M shares	96.30M shares	97.40M shares
Diluted Shares Outstanding		97.10M shares	98.10M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.473B	$2.037B	$667.0M
YoY Change	11.48%	205.32%	84.76%
Cash & Equivalents	$1.473B	$2.037B	$667.2M
Short-Term Investments
Other Short-Term Assets	$478.1M	$518.3M	$327.0M
YoY Change	30.99%	58.5%	9.73%
Inventory	$401.4M	$410.7M	$392.5M
Prepaid Expenses	$478.1M	$518.3M	$327.2M
Receivables	$2.262B	$2.335B	$2.095B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$5.331B	$6.021B	$4.086B
YoY Change	4.0%	47.36%	36.74%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.815B	$2.692B	$2.609B
YoY Change	3.14%	3.2%	5.92%
Goodwill	$7.959B	$7.907B	$7.614B
YoY Change	2.68%	3.85%	-2.58%
Intangibles	$3.736B	$3.755B	$3.921B
YoY Change	-5.7%	-4.22%	-2.51%
Long-Term Investments	$60.90M	$62.10M	$71.00M
YoY Change	-17.7%	-12.54%	-17.44%
Other Assets	$462.6M	$406.0M	$437.0M
YoY Change	12.83%	-7.09%	-4.77%
Total Long-Term Assets	$15.05B	$14.85B	$14.65B
YoY Change	0.73%	1.31%	-1.39%
TOTAL ASSETS
Total Short-Term Assets	$5.331B	$6.021B	$4.086B
Total Long-Term Assets	$15.05B	$14.85B	$14.65B
Total Assets	$20.39B	$20.87B	$18.74B
YoY Change	1.56%	11.35%	5.0%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$621.3M	$669.4M	$639.5M
YoY Change	-2.75%	4.68%	5.22%
Accrued Expenses	$1.404B	$1.424B	$1.298B
YoY Change	3.42%	9.71%	56.3%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due	$12.00M	$12.20M	$384.0M
YoY Change	-96.87%	-96.82%	-24.71%
Total Short-Term Liabilities	$2.783B	$2.888B	$3.010B
YoY Change	-9.6%	-4.04%	17.81%
LONG-TERM LIABILITIES
Long-Term Debt	$5.417B	$5.417B	$5.417B
YoY Change	-0.05%	0.0%	-11.21%
Other Long-Term Liabilities	$402.0M	$494.0M	$473.2M
YoY Change	-23.63%	4.4%	35.86%
Total Long-Term Liabilities	$5.819B	$5.911B	$5.891B
YoY Change	-2.13%	0.35%	-8.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.783B	$2.888B	$3.010B
Total Long-Term Liabilities	$5.819B	$5.911B	$5.891B
Total Liabilities	$10.09B	$10.32B	$10.48B
YoY Change	-4.93%	-1.52%	-1.1%
SHAREHOLDERS EQUITY
Retained Earnings	$10.46B	$10.79B	$8.464B
YoY Change	10.31%	27.44%	10.26%
Common Stock	$8.500M	$8.800M	$89.70M
YoY Change	-92.88%	-90.19%	57.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$10.27B	$10.52B	$8.239B
YoY Change
Total Liabilities & Shareholders Equity	$20.39B	$20.87B	$18.74B
YoY Change	1.56%	11.35%	5.0%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$553.0M	$587.3M	$703.4M
YoY Change	-41.06%	-16.51%	-321.75%
Depreciation, Depletion And Amortization	$188.0M	$186.1M	$152.3M
YoY Change	2.23%	22.19%	5.54%
Cash From Operating Activities	$697.5M	$767.3M	$786.2M
YoY Change	-9.95%	-2.4%	72.56%
INVESTING ACTIVITIES
Capital Expenditures	-$150.0M	-$117.8M	-$77.20M
YoY Change	50.91%	52.59%	-16.63%
Acquisitions		$326.0M
YoY Change
Other Investing Activities	-$104.5M	-$289.5M	-$208.0M
YoY Change	265.38%	39.18%	41.4%
Cash From Investing Activities	-$254.5M	-$407.3M	-$285.2M
YoY Change	98.83%	42.81%	18.98%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.000B
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.009B	-281.7M	-396.7M
YoY Change	100760.0%	-28.99%	244.96%
NET CHANGE
Cash From Operating Activities	697.5M	767.3M	786.2M
Cash From Investing Activities	-254.5M	-407.3M	-285.2M
Cash From Financing Activities	-1.009B	-281.7M	-396.7M
Net Change In Cash	-565.6M	78.30M	104.3M
YoY Change	-187.61%	-24.93%	3.37%
FREE CASH FLOW
Cash From Operating Activities	$697.5M	$767.3M	$786.2M
Capital Expenditures	-$150.0M	-$117.8M	-$77.20M
Free Cash Flow	$847.5M	$885.1M	$863.4M
YoY Change	-3.03%	2.51%	57.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18300000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	22100000	USD
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	95800000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	97500000	shares
	dei	Entity Central Index Key EntityCentralIndexKey	0000920148
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-11353
	dei	Entity Registrant Name EntityRegistrantName	LABORATORY CORPORATION OF AMERICA HOLDINGS
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-3757370
	dei	Entity Address Address Line1 EntityAddressAddressLine1	358 South Main Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Burlington,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NC
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	27215
	dei	City Area Code CityAreaCode	336
	dei	Local Phone Number LocalPhoneNumber	229-1127
	dei	Security12b Title Security12bTitle	Common Stock, $0.10 par value
	dei	Trading Symbol TradingSymbol	LH
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	95700000	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2036500000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1320800000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2335400000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2479800000	USD
CY2021Q3	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	719600000	USD
CY2020Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	536800000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	410700000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	423200000	USD
CY2021Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	518300000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	364800000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	6020500000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	5125400000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2692200000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2729600000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	7906800000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	7751500000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3755100000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3961100000	USD
CY2021Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	62100000	USD
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	73500000	USD
CY2021Q3	us-gaap	Deferred Income Taxes And Other Assets Current DeferredIncomeTaxesAndOtherAssetsCurrent	23800000	USD
CY2020Q4	us-gaap	Deferred Income Taxes And Other Assets Current DeferredIncomeTaxesAndOtherAssetsCurrent	20600000	USD
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	406000000.0	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	410000000.0	USD
CY2021Q3	us-gaap	Assets Assets	20866500000	USD
CY2020Q4	us-gaap	Assets Assets	20071700000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	669400000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	638900000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1423800000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1357700000	USD
CY2021Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	593900000	USD
CY2020Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	506500000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	189100000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	192000000.0	USD
CY2021Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	10600000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	6700000	USD
CY2021Q3	lh	Current Debt Excluding Finance Lease Liability CurrentDebtExcludingFinanceLeaseLiability	1600000	USD
CY2020Q4	lh	Current Debt Excluding Finance Lease Liability CurrentDebtExcludingFinanceLeaseLiability	376700000	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	2888400000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3078500000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5417200000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5419000000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	631000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	677600000	USD
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	86000000.0	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	84400000	USD
CY2021Q3	lh	Deferred Income Taxes And Other Tax Liabilities DeferredIncomeTaxesAndOtherTaxLiabilities	804800000	USD
CY2020Q4	lh	Deferred Income Taxes And Other Tax Liabilities DeferredIncomeTaxesAndOtherTaxLiabilities	905400000	USD
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	494000000.0	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	526400000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	10321400000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	10691300000	USD
CY2021Q3	lh	Noncontrolling Interest Mezzanine Equity NoncontrollingInterestMezzanineEquity	20600000	USD
CY2020Q4	lh	Noncontrolling Interest Mezzanine Equity NoncontrollingInterestMezzanineEquity	20700000	USD
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	8800000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	9000000.0	USD
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	0	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	110300000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	10786600000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	9402300000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-270900000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-161900000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	10524500000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	9359700000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	9359700000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20866500000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20071700000	USD
CY2021Q3	us-gaap	Revenues Revenues	4062600000	USD
CY2020Q3	us-gaap	Revenues Revenues	3896100000	USD
	us-gaap	Revenues Revenues	12064800000	USD
	us-gaap	Revenues Revenues	9488700000	USD
CY2021Q3	us-gaap	Cost Of Revenue CostOfRevenue	2677100000	USD
CY2020Q3	us-gaap	Cost Of Revenue CostOfRevenue	2336700000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	7815500000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	6440800000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	1385500000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	1559400000	USD
	us-gaap	Gross Profit GrossProfit	4249300000	USD
	us-gaap	Gross Profit GrossProfit	3047900000	USD
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	519900000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	419500000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1408400000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1211300000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	92200000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	92200000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	62200000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	62200000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	276700000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	276700000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	184600000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	184600000	USD
CY2021Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	23500000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	460900000	USD
CY2021Q3	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	6500000	USD
CY2020Q3	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	7100000	USD
	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	35300000	USD
	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	38900000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	766900000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1047100000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2528900000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1152200000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	42200000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	51400000	USD
	us-gaap	Interest Expense InterestExpense	169000000.0	USD
	us-gaap	Interest Expense InterestExpense	159100000	USD
CY2021Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8400000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3000000.0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	20900000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1800000	USD
CY2021Q3	us-gaap	Investment Income Net InvestmentIncomeNet	3200000	USD
CY2020Q3	us-gaap	Investment Income Net InvestmentIncomeNet	2600000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	8300000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	7700000	USD
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	31900000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-54200000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	51500000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-22600000	USD
CY2021Q3	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	768200000	USD
CY2020Q3	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	947100000	USD
	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	2440600000	USD
	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	976400000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	180400000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	243400000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	614700000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	358000000.0	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	587800000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	703700000	USD
	us-gaap	Profit Loss ProfitLoss	1825900000	USD
	us-gaap	Profit Loss ProfitLoss	618400000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	300000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	600000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	587300000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	703400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1824300000	USD
	us-gaap	Net Income Loss NetIncomeLoss	617800000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.10
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.22
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	18.79
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.35
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.05
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	18.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.31
CY2021Q3	us-gaap	Profit Loss ProfitLoss	587800000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	703700000	USD
	us-gaap	Profit Loss ProfitLoss	1825900000	USD
	us-gaap	Profit Loss ProfitLoss	618400000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-91600000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	132900000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-114600000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	52400000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2600000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-7700000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-7500000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-89000000.0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	135000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-106900000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	59900000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	700000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	600000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2100000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2100000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-89700000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	134400000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-109000000.0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	57800000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	498100000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	838100000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1716900000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	676200000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	300000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	600000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	497600000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	837800000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1715300000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	675600000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	7567000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-317200000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-145500000	USD
CY2020Q1	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	26900000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	22000000.0	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17900000	USD
CY2020Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	100000000.0	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	7020100000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	231600000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	68900000	USD
CY2020Q2	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	1800000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	9500000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39800000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	7352700000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	703400000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	134400000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	134400000	USD
CY2020Q3	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	21900000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	500000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27200000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	8239100000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	9359700000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	9359700000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	769600000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-64600000	USD
CY2021Q1	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	24700000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	28100000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	28700000	USD
CY2021Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	68500000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	10021500000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	467400000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	45300000	USD
CY2021Q2	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	1900000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	14900000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23900000	USD
CY2021Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	300000000.0	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	10245100000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	587300000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-89700000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-89700000	USD
CY2021Q3	lh	Issuanceofcommonstockunderemployeeplans Issuanceofcommonstockunderemployeeplans	24200000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	1400000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	59000000.0	USD
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	300000000.0	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	10524500000	USD
	us-gaap	Profit Loss ProfitLoss	1825900000	USD
	us-gaap	Profit Loss ProfitLoss	618400000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	557100000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	440800000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	111600000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	84900000	USD
	lh	Depreciation And Amortization Of Leased Assets DepreciationAndAmortizationOfLeasedAssets	145300000	USD
	lh	Depreciation And Amortization Of Leased Assets DepreciationAndAmortizationOfLeasedAssets	150700000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	460900000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-102000000.0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-48500000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-41000000.0	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	55200000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-135600000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	546900000	USD
	lh	Increase Decreasein Unbilled Contract Receivable IncreaseDecreaseinUnbilledContractReceivable	185900000	USD
	lh	Increase Decreasein Unbilled Contract Receivable IncreaseDecreaseinUnbilledContractReceivable	117800000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6500000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	147500000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	72400000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-26100000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	34600000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	17300000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	83800000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	44100000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-74000000.0	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	323000000.0	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2412100000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1360700000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	310400000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	282300000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3500000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1100000	USD
	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	12400000	USD
	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	10400000	USD
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	1000000.0	USD
	us-gaap	Proceeds From Hedge Investing Activities ProceedsFromHedgeInvestingActivities	0	USD
	us-gaap	Proceeds From Hedge Investing Activities ProceedsFromHedgeInvestingActivities	3100000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	20000000.0	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	29300000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	326000000.0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	208800000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-630100000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-515200000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	1000000000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	1000000000	USD
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	412200000	USD
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	375000000.0	USD
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	USD
	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	151700000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	151700000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	44400000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	32000000.0	USD
	lh	Net Proceeds From Issuance Of Stock To Employees NetProceedsFromIssuanceOfStockToEmployees	50800000	USD
	lh	Net Proceeds From Issuance Of Stock To Employees NetProceedsFromIssuanceOfStockToEmployees	50600000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	668500000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100000000.0	USD
	lh	Other Financing Cash Flows OtherFinancingCashFlows	20100000	USD
	lh	Other Financing Cash Flows OtherFinancingCashFlows	22800000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1057200000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-516400000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-9100000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	600000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	715700000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	329700000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1320800000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	337500000	USD
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2036500000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	667200000	USD
	lh	Cost Method Investments Maximum Ownership Percentage CostMethodInvestmentsMaximumOwnershipPercentage	0.200
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	16800000	USD
CY2021Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	3500000	USD
CY2021Q3	lh	Percentof Revenue Contributed PercentofRevenueContributed	1
CY2020Q3	lh	Percentof Revenue Contributed PercentofRevenueContributed	1
	lh	Percentof Revenue Contributed PercentofRevenueContributed	1
	lh	Percentof Revenue Contributed PercentofRevenueContributed	1
CY2021Q3	lh	Sales Commission Amortization Period Minimum SalesCommissionAmortizationPeriodMinimum	P1Y
CY2021Q3	lh	Sales Commission Amortization Period Maximum SalesCommissionAmortizationPeriodMaximum	P5Y
CY2021Q3	us-gaap	Accrued Sales Commission Current And Noncurrent AccruedSalesCommissionCurrentAndNoncurrent	36600000	USD
CY2020Q4	us-gaap	Accrued Sales Commission Current And Noncurrent AccruedSalesCommissionCurrentAndNoncurrent	32600000	USD
CY2021Q3	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	14300000	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	12600000	USD
CY2021Q3	us-gaap	Amount Of Deferred Costs Related To Long Term Contracts AmountOfDeferredCostsRelatedToLongTermContracts	50900000	USD
CY2020Q4	us-gaap	Amount Of Deferred Costs Related To Long Term Contracts AmountOfDeferredCostsRelatedToLongTermContracts	45200000	USD
CY2021Q3	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	7100000	USD
CY2020Q3	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	6000000.0	USD
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	20400000	USD
CY2020Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	2300000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	10000000.0	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	7600000	USD
CY2021Q3	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	730200000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	548100000	USD
CY2021Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	574300000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	492200000	USD
	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	267600000	USD
	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	237200000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	22100000	USD
CY2020Q4	lh	Unbilled Services Allowancefor Credit Loss UnbilledServicesAllowanceforCreditLoss	11300000	USD
CY2020Q4	lh	Note Receivable Allowancefor Credit Loss NoteReceivableAllowanceforCreditLoss	5700000	USD
CY2020Q4	lh	Allowancefor Credit Loss AllowanceforCreditLoss	39100000	USD
	lh	Current Expected Credit Losses Opening Balance Sheet Impacton Retained Earnings CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings	700000	USD
	lh	Allowancefor Credit Loss Write Off AllowanceforCreditLossWriteOff	4600000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18300000	USD
CY2021Q3	lh	Unbilled Services Allowancefor Credit Loss UnbilledServicesAllowanceforCreditLoss	11200000	USD
CY2021Q3	lh	Note Receivable Allowancefor Credit Loss NoteReceivableAllowanceforCreditLoss	5700000	USD
CY2021Q3	lh	Allowancefor Credit Loss AllowanceforCreditLoss	35200000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	5412800000	USD
CY2021Q3	lh	Long Term Contracts Duration Minimum LongTermContractsDurationMinimum	P1Y
CY2021Q3	lh	Long Term Contracts Duration Maximum LongTermContractsDurationMaximum	P8Y
CY2021Q3	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	10100000	USD
CY2020Q3	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	31100000	USD
	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	38900000	USD
	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	44800000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	326000000.0	USD
	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	142500000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	219200000	USD
	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	12400000	USD
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	6100000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	587300000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96300000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.10
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	703400000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	97400000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.22
	us-gaap	Net Income Loss NetIncomeLoss	1824300000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	97100000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	18.79
	us-gaap	Net Income Loss NetIncomeLoss	617800000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	97300000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.35
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	800000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	700000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	800000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	600000	shares
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	587300000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	97100000	shares
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.05
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	703400000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98100000	shares
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.17
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1824300000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	97900000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	18.63
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	617800000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	97900000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.31
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2021Q3	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	6500000	USD
CY2021Q3	us-gaap	Severance Costs1 SeveranceCosts1	3300000	USD
CY2021Q3	us-gaap	Business Exit Costs1 BusinessExitCosts1	3700000	USD
CY2021Q3	lh	Unusedfacilityrestructuringreserves Unusedfacilityrestructuringreserves	500000	USD
	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	35300000	USD
	us-gaap	Severance Costs1 SeveranceCosts1	13600000	USD
	us-gaap	Business Exit Costs1 BusinessExitCosts1	22400000	USD
	lh	Unusedfacilityrestructuringreserves Unusedfacilityrestructuringreserves	700000	USD
CY2020Q3	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	7100000	USD
CY2020Q3	us-gaap	Severance Costs1 SeveranceCosts1	2300000	USD
CY2020Q3	us-gaap	Business Exit Costs1 BusinessExitCosts1	4000000.0	USD
CY2020Q3	lh	Severance Reserve Adjustments SeveranceReserveAdjustments	100000	USD
CY2020Q3	lh	Unusedfacilityrestructuringreserves Unusedfacilityrestructuringreserves	2100000	USD
	lh	Net Restructuring And Other Special Charges NetRestructuringAndOtherSpecialCharges	38900000	USD
	us-gaap	Severance Costs1 SeveranceCosts1	12800000	USD
	us-gaap	Business Exit Costs1 BusinessExitCosts1	24000000.0	USD
	lh	Severance Reserve Adjustments SeveranceReserveAdjustments	1100000	USD
	lh	Unusedfacilityrestructuringreserves Unusedfacilityrestructuringreserves	7800000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	7800000	USD
	us-gaap	Restructuring Charges RestructuringCharges	36000000.0	USD
	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	700000	USD
	lh	Restructuring Reserve Settled With Cash And Other Adjustment RestructuringReserveSettledWithCashAndOtherAdjustment	33700000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	9400000	USD
CY2021Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	7800000	USD
CY2021Q3	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	1600000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	9400000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	7751500000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	219200000	USD
	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-63900000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	7906800000	USD
CY2020Q3	lh	Current Expected Credit Losses Opening Balance Sheet Impacton Retained Earnings CurrentExpectedCreditLossesOpeningBalanceSheetImpactonRetainedEarnings	5000000.0	USD
CY2020Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	700000	USD
CY2021Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	6123500000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2368400000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3755100000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	6090100000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2129000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3961100000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	92200000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	92200000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	62200000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	62200000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	276700000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	276700000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	184600000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	184600000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	86900000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	221000000.0	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	218000000.0	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	213400000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	201200000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2144300000	USD
CY2021Q3	lh	A2019 Term Loan A2019TermLoan	0	USD
CY2020Q4	lh	A2019 Term Loan A2019TermLoan	375000000.0	USD
CY2021Q3	lh	Shorttermdebtissuancecosts Shorttermdebtissuancecosts	0	USD
CY2020Q4	lh	Shorttermdebtissuancecosts Shorttermdebtissuancecosts	400000	USD
CY2021Q3	us-gaap	Notes Payable Current NotesPayableCurrent	1600000	USD
CY2020Q4	us-gaap	Notes Payable Current NotesPayableCurrent	2100000	USD
CY2021Q3	lh	Current Debt Excluding Finance Lease Liability CurrentDebtExcludingFinanceLeaseLiability	1600000	USD
CY2020Q4	lh	Current Debt Excluding Finance Lease Liability CurrentDebtExcludingFinanceLeaseLiability	376700000	USD
CY2021Q3	lh	A2.30seniornotesdue2024 A2.30seniornotesdue2024	400000000.0	USD
CY2020Q4	lh	A2.30seniornotesdue2024 A2.30seniornotesdue2024	400000000.0	USD
CY2021Q3	lh	A2.95seniornotesdue2029 A2.95seniornotesdue2029	650000000.0	USD
CY2020Q4	lh	A2.95seniornotesdue2029 A2.95seniornotesdue2029	650000000.0	USD
CY2021Q3	lh	Longtermdebtissuancecosts Longtermdebtissuancecosts	42000000.0	USD
CY2020Q4	lh	Longtermdebtissuancecosts Longtermdebtissuancecosts	37100000	USD
CY2021Q3	us-gaap	Notes Payable NotesPayable	5200000	USD
CY2020Q4	us-gaap	Notes Payable NotesPayable	6100000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5417200000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5419000000	USD
CY2021Q2	lh	A2021 Senior Notes A2021SeniorNotes	1000000000	USD
CY2021Q3	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	989400000	USD
CY2021Q3	lh	Three Month Libor ThreeMonthLIBOR	0.010706
CY2021Q3	us-gaap	Fair Value Hedge Liabilities At Fair Value FairValueHedgeLiabilitiesAtFairValue	4000000.0	USD
CY2019Q2	lh	A2019 Term Loan A2019TermLoan	850000000.0	USD
CY2021Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1000000000	USD
CY2021Q3	lh	Credit Facility Maximum Swing Line Borrowings CreditFacilityMaximumSwingLineBorrowings	100000000.0	USD
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	265000000.0	shares
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000.0	shares
CY2021Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.10
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2500000	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	270.55
CY2021Q3	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	131500000	shares
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-21300000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-140600000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-161900000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-114600000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	14000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	-100600000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	-3000000.0	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	-3000000.0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-3300000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-3300000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	2100000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2100000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-135900000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-135000000.0	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-270900000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.50
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55600000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	48800000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	53400000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	46700000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	9500000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	8300000	USD
CY2021Q3	lh	Fair Value Liabilities Measured On Recurring Basis Noncontrolling Interest Puts FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts	16200000	USD
CY2021Q3	us-gaap	Foreign Currency Contracts Liability Fair Value Disclosure ForeignCurrencyContractsLiabilityFairValueDisclosure	12800000	USD
CY2021Q3	us-gaap	Fair Value Hedges At Fair Value Net FairValueHedgesAtFairValueNet	4000000.0	USD
CY2021Q3	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	101000000.0	USD
CY2021Q3	lh	Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability	99000000.0	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	18500000	USD
CY2021Q3	us-gaap	Contingent Consideration Classified As Equity Fair Value Disclosure ContingentConsiderationClassifiedAsEquityFairValueDisclosure	12800000	USD
CY2020Q4	lh	Fair Value Liabilities Measured On Recurring Basis Noncontrolling Interest Puts FairValueLiabilitiesMeasuredOnRecurringBasisNoncontrollingInterestPuts	16200000	USD
CY2020Q4	us-gaap	Foreign Currency Contract Asset Fair Value Disclosure ForeignCurrencyContractAssetFairValueDisclosure	40400000	USD
CY2020Q4	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	90600000	USD
CY2020Q4	lh	Fair Value Liabilities Measured On Recurring Basis Deferred Compensation Liability FairValueLiabilitiesMeasuredOnRecurringBasisDeferredCompensationLiability	89200000	USD
CY2020Q4	us-gaap	Contingent Consideration Classified As Equity Fair Value Disclosure ContingentConsiderationClassifiedAsEquityFairValueDisclosure	13900000	USD
	lh	Contingentconsiderationadjustment Contingentconsiderationadjustment	1100000	USD
CY2021Q3	lh	Numberof Measurement Funds Available For Participant Election NumberofMeasurementFundsAvailableForParticipantElection	16
CY2021Q3	lh	Senior Notes Fair Value SeniorNotesFairValue	5910700000	USD
CY2020Q4	lh	Senior Notes Fair Value SeniorNotesFairValue	6121800000	USD
CY2021Q3	lh	Three Month Libor ThreeMonthLIBOR	0.010706
CY2021Q3	us-gaap	Fair Value Hedge Liabilities At Fair Value FairValueHedgeLiabilitiesAtFairValue	4000000.0	USD
	lh	Interest Paid In Cash InterestPaidInCash	169000000.0	USD
	lh	Interest Paid In Cash InterestPaidInCash	195800000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	789900000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	217500000	USD
	lh	Increase In Capital Expenditures Incurred But Not Yet Paid IncreaseInCapitalExpendituresIncurredButNotYetPaid	-6900000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	24500000	USD
CY2021Q3	lh	Intercompanyrevenueelimination Intercompanyrevenueelimination	14400000	USD
CY2020Q3	lh	Intercompanyrevenueelimination Intercompanyrevenueelimination	50000000.0	USD
	lh	Intercompanyrevenueelimination Intercompanyrevenueelimination	68900000	USD
	lh	Intercompanyrevenueelimination Intercompanyrevenueelimination	89500000	USD
CY2021Q3	us-gaap	Revenues Revenues	4062600000	USD
CY2020Q3	us-gaap	Revenues Revenues	3896100000	USD
	us-gaap	Revenues Revenues	12064800000	USD
	us-gaap	Revenues Revenues	9488700000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	766900000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	1047100000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	2528900000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1152200000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1300000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-100000000.0	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-88300000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-175700000	USD
CY2021Q3	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	768200000	USD
CY2020Q3	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	947100000	USD
	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	2440600000	USD
	lh	Income Lossfrom Continuing Operations Before Income Taxesand Noncontrolling Interest IncomeLossfromContinuingOperationsBeforeIncomeTaxesandNoncontrollingInterest	976400000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	180400000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	243400000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	614700000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	358000000.0	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	587800000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	703700000	USD
	us-gaap	Profit Loss ProfitLoss	1825900000	USD
	us-gaap	Profit Loss ProfitLoss	618400000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	300000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	600000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	587300000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	703400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	1824300000	USD
	us-gaap	Net Income Loss NetIncomeLoss	617800000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-114600000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	52400000	USD
CY2021Q3	lh	A2019 Term Loan A2019TermLoan	0.0	USD

Files In Submission

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report.css	Edgar Link	pending
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$LH
LABCORP HOLDINGS INC. Stock $lh

2021 Q4 Form 10-Q Financial Statement

#000092014821000070 Filed on November 02, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LH LABCORP HOLDINGS INC. Stock $lh

2021 Q4 Form 10-Q Financial Statement

#000092014821000070 Filed on November 02, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LH
LABCORP HOLDINGS INC. Stock $lh