$THC
TENET HEALTHCARE CORP Stock $thc

$thc Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000007031820000014 Filed on February 24, 2020

Income Statement

Concept	2019 Q4	2019 Q3	2019 Q2
Revenue	$4.806B	$4.568B	$4.560B
YoY Change	4.05%	1.76%	1.2%
Cost Of Revenue	$803.0M	$760.0M	$753.0M
YoY Change	6.22%	4.68%	0.67%
Gross Profit	$4.003B	$3.808B	$3.807B
YoY Change	3.62%	1.2%	1.3%
Gross Profit Margin	83.29%	83.36%	83.49%
Selling, General & Admin	$2.317B	$2.172B	$2.145B
YoY Change	7.47%	2.65%	0.47%
% of Gross Profit	57.88%	57.04%	56.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$223.0M	$205.0M	$214.0M
YoY Change	11.5%	0.49%	10.31%
% of Gross Profit	5.57%	5.38%	5.62%
Operating Expenses	$3.482B	$3.413B	$3.394B
YoY Change	1.46%	-0.03%	1.13%
Operating Profit	$521.0M	$302.0M	$400.0M
YoY Change	20.88%	-5.63%	-1.48%
Interest Expense	-$182.0M	$244.0M	$247.0M
YoY Change	-5.7%	-2.01%	-2.76%
% of Operating Profit	-34.93%	80.79%	61.75%
Other Income/Expense, Net	-$2.000M	-$3.000M	-$1.000M
YoY Change	-33.33%		0.0%
Pretax Income	$215.0M	-$125.0M	$152.0M
YoY Change	36.08%	-276.06%	1.33%
Income Tax	$86.00M	$22.00M	$33.00M
% Of Pretax Income	40.0%		21.71%
Net Earnings	$124.0M	-$146.0M	$121.0M
YoY Change	21.57%	-324.62%	12.04%
Net Earnings / Revenue	2.58%	-3.2%	2.65%
Basic Earnings Per Share	-$0.03	-$2.18	$0.25
Diluted Earnings Per Share	-$0.03	-$2.18	$0.25
COMMON SHARES
Basic Shares Outstanding	103.9M shares	103.6M shares	103.2M shares
Diluted Shares Outstanding		103.6M shares	104.6M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$262.0M	$314.0M	$249.0M
YoY Change	-36.25%	-37.2%	-38.21%
Cash & Equivalents	$262.0M	$314.0M	$249.0M
Short-Term Investments
Other Short-Term Assets	$1.369B	$1.378B	$1.393B
YoY Change	14.37%	31.74%	33.81%
Inventory	$310.0M	$311.0M	$309.0M
Prepaid Expenses
Receivables	$2.743B	$2.768B	$2.734B
Other Receivables	$10.00M	$18.00M	$19.00M
Total Short-Term Assets	$5.081B	$4.789B	$4.704B
YoY Change	9.6%	6.61%	-0.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$6.878B	$7.001B	$6.995B
YoY Change	-1.64%	1.64%	1.92%
Goodwill	$7.252B	$7.315B	$7.298B
YoY Change	-0.4%	0.03%	1.11%
Intangibles	$1.602B	$1.620B	$1.645B
YoY Change	-7.45%	-8.06%	-8.25%
Long-Term Investments	$978.0M	$1.467B	$1.423B
YoY Change	2.3%	0.34%	0.49%
Other Assets	$183.0M	$252.0M	$268.0M
YoY Change	-41.35%	-27.59%	-22.99%
Total Long-Term Assets	$18.28B	$18.57B	$18.50B
YoY Change	2.75%	4.47%	4.9%
TOTAL ASSETS
Total Short-Term Assets	$5.081B	$4.789B	$4.704B
Total Long-Term Assets	$18.28B	$18.57B	$18.50B
Total Assets	$23.37B	$23.36B	$23.21B
YoY Change	4.17%	4.9%	3.87%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.204B	$1.125B	$1.088B
YoY Change	-0.25%	5.63%	3.92%
Accrued Expenses	$1.122B	$1.254B	$1.102B
YoY Change	4.08%	9.62%	15.51%
Deferred Revenue	$61.00M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$171.0M	$165.0M	$664.0M
YoY Change	-6.04%	-75.45%	0.15%
Total Short-Term Liabilities	$4.205B	$3.928B	$4.150B
YoY Change	9.02%	-7.01%	-4.69%
LONG-TERM LIABILITIES
Long-Term Debt	$14.58B	$14.86B	$14.31B
YoY Change	-0.44%	4.8%	0.76%
Other Long-Term Liabilities	$1.397B	$1.405B	$1.354B
YoY Change	141.7%	125.88%	126.04%
Total Long-Term Liabilities	$1.397B	$1.405B	$1.354B
YoY Change	141.7%	125.88%	126.04%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.205B	$3.928B	$4.150B
Total Long-Term Liabilities	$1.397B	$1.405B	$1.354B
Total Liabilities	$21.42B	$21.39B	$21.03B
YoY Change	5.52%	6.1%	3.39%
SHAREHOLDERS EQUITY
Retained Earnings	-$2.513B	-$2.469B	-$2.237B
YoY Change	12.39%	10.67%	0.68%
Common Stock	$7.000M	$7.000M	$7.000M
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$417.0M	-$341.0M	-$108.0M
YoY Change
Total Liabilities & Shareholders Equity	$23.37B	$23.36B	$23.21B
YoY Change	4.27%	4.9%	3.87%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2019 Q2
OPERATING ACTIVITIES
Net Income	$124.0M	-$146.0M	$121.0M
YoY Change	21.57%	-324.62%	12.04%
Depreciation, Depletion And Amortization	$223.0M	$205.0M	$214.0M
YoY Change	11.5%	0.49%	10.31%
Cash From Operating Activities	$520.0M	$419.0M	$284.0M
YoY Change	108.0%	23.96%	-18.39%
INVESTING ACTIVITIES
Capital Expenditures	-$178.0M	$156.0M	$144.0M
YoY Change	-16.43%	-214.71%	-215.2%
Acquisitions
YoY Change
Other Investing Activities	-$15.00M	$33.00M	-$20.00M
YoY Change	-31.82%	6.45%	-13.04%
Cash From Investing Activities	-$193.0M	-$123.0M	-$164.0M
YoY Change	-17.87%	17.14%	10.81%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-379.0M	-231.0M	-123.0M
YoY Change	264.42%	69.85%	-84.05%
NET CHANGE
Cash From Operating Activities	520.0M	419.0M	284.0M
Cash From Investing Activities	-193.0M	-123.0M	-164.0M
Cash From Financing Activities	-379.0M	-231.0M	-123.0M
Net Change In Cash	-52.00M	65.00M	-3.000M
YoY Change	-41.57%	-32.99%	-99.47%
FREE CASH FLOW
Cash From Operating Activities	$520.0M	$419.0M	$284.0M
Capital Expenditures	-$178.0M	$156.0M	$144.0M
Free Cash Flow	$698.0M	$263.0M	$140.0M
YoY Change	50.76%	-44.51%	-70.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000070318
CY2019	thc	Cost Report Filing Period After End Of Annual Cost Reporting Period CostReportFilingPeriodAfterEndOfAnnualCostReportingPeriod	P5Y
CY2019	thc	Operating Loss Carryforward Limitation On Use Maximum Change Increase In Ownership OperatingLossCarryforwardLimitationOnUseMaximumChangeIncreaseInOwnership	0.50
CY2019	thc	Operating Loss Carryforward Limitation On Use Measurement Period OperatingLossCarryforwardLimitationOnUseMeasurementPeriod	P3Y
CY2018Q4	thc	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	5221000000	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.05
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.05
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	262500000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	262500000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	150897143	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	152540815	shares
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-6000000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2019	dei	Document Type DocumentType	10-K
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	48344195	shares
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	48359705	shares
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	1-7293
CY2019	dei	Entity Registrant Name EntityRegistrantName	TENET HEALTHCARE CORP
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NV
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-2557091
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	14201 Dallas Parkway
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Dallas
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75254
CY2019	dei	City Area Code CityAreaCode	469
CY2019	dei	Local Phone Number LocalPhoneNumber	893-2200
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	1200000000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	104288796	shares
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	262000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	411000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2743000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2595000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	310000000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	305000000	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	10000000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	21000000	USD
CY2019Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	387000000	USD
CY2018Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	107000000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1369000000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1197000000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	5081000000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	4636000000	USD
CY2019Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	2369000000	USD
CY2018Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	1456000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	169000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	312000000	USD
CY2019Q4	thc	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	6878000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6993000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	7252000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	7281000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1602000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1731000000	USD
CY2019Q4	us-gaap	Assets Assets	23351000000	USD
CY2018Q4	us-gaap	Assets Assets	22409000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	171000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	182000000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1204000000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1207000000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	877000000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	838000000	USD
CY2019Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	330000000	USD
CY2018Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	216000000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	245000000	USD
CY2018Q4	us-gaap	Interest Payable Current InterestPayableCurrent	240000000	USD
CY2019Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	44000000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	43000000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1334000000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1131000000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4205000000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3857000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	14580000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	14644000000	USD
CY2019Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	585000000	USD
CY2018Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	666000000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	560000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	521000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	27000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	36000000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1405000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	578000000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	21362000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	20302000000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	1506000000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	1420000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	7000000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	7000000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4760000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4747000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-257000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-223000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2467000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-2236000000	USD
CY2019Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	2414000000	USD
CY2018Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	2414000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-371000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-119000000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	854000000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	806000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	483000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	687000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	23351000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	22409000000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	20613000000	USD
CY2017	us-gaap	Health Care Organization Patient Service Revenue Provisionfor Bad Debts HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts	1434000000	USD
CY2019	us-gaap	Revenues Revenues	18479000000	USD
CY2018	us-gaap	Revenues Revenues	18313000000	USD
CY2017	us-gaap	Revenues Revenues	19179000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	175000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	150000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	144000000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	8704000000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	8634000000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9274000000	USD
CY2019	us-gaap	Supplies Expense SuppliesExpense	3057000000	USD
CY2018	us-gaap	Supplies Expense SuppliesExpense	3004000000	USD
CY2017	us-gaap	Supplies Expense SuppliesExpense	3085000000	USD
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4189000000	USD
CY2018	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4256000000	USD
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	4561000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	850000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	802000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	870000000	USD
CY2019	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	185000000	USD
CY2018	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	209000000	USD
CY2017	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	541000000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-141000000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-38000000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-23000000	USD
CY2019	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	-15000000	USD
CY2018	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	127000000	USD
CY2017	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	144000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1513000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	1647000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	1113000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	985000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	1004000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	1028000000	USD
CY2019	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5000000	USD
CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5000000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	22000000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-227000000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	1000000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-164000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	296000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	639000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-101000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	219000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	143000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	463000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-320000000	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	15000000	USD
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	4000000	USD
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	0	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	4000000	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1000000	USD
CY2017	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	11000000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	3000000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019	us-gaap	Profit Loss ProfitLoss	154000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	466000000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-320000000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	386000000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	355000000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	384000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-704000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-243000000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-232000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	111000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	108000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-704000000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	11000000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3000000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-232000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	111000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-704000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.35
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.06
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-7.00
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.11
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.03
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.24
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-7.00
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.35
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.04
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-7.00
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.11
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.03
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.24
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-7.00
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103398000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	102110000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	100592000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103398000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103881000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	100592000	shares
CY2019	us-gaap	Profit Loss ProfitLoss	154000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	466000000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-320000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	52000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	29000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-42000000	USD
CY2019	thc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Amortization Of Net Actuarial Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax	10000000	USD
CY2018	thc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Amortization Of Net Actuarial Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax	14000000	USD
CY2017	thc	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Amortization Of Net Actuarial Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAmortizationOfNetActuarialGainLossArisingDuringPeriodBeforeTax	14000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	6000000	USD
CY2019	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
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	-37000000	USD
CY2017	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
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-4000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	15000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-42000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	18000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	77000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-8000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-6000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	23000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	120000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	490000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-266000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	386000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	355000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	384000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-266000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	135000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-650000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1082000000	USD
CY2017	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-559000000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	123000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	54000000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	33000000	USD
CY2017	thc	Adjustments To Additional Paid In Capital Purchase Sale Of Joint Venture Interest AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest	3000000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	59000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	539000000	USD
CY2018	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	276000000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	148000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	173000000	USD
CY2018	thc	Adjustments To Additional Paid In Capital Purchase Sale Of Joint Venture Interest AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest	106000000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	63000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	687000000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-38000000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	162000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34000000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Increase In Carrying Amount Of Redeemable Preferred Stock AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock	18000000	USD
CY2019	thc	Adjustments To Additional Paid In Capital Purchase Sale Of Joint Venture Interest AdjustmentsToAdditionalPaidInCapitalPurchaseSaleOfJointVentureInterest	9000000	USD
CY2019Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	1000000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	38000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	483000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	154000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	466000000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-320000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	850000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	802000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	870000000	USD
CY2017	us-gaap	Health Care Organization Patient Service Revenue Provisionfor Bad Debts HealthCareOrganizationPatientServiceRevenueProvisionforBadDebts	1434000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	137000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	150000000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	200000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	42000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	46000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	59000000	USD
CY2019	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	185000000	USD
CY2018	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	209000000	USD
CY2017	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	541000000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-141000000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-38000000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-23000000	USD
CY2019	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	-15000000	USD
CY2018	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	127000000	USD
CY2017	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	144000000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-227000000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	1000000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-164000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	32000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	12000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	18000000	USD
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	35000000	USD
CY2018	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	45000000	USD
CY2017	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	44000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	26000000	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	15000000	USD
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	4000000	USD
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	0	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	15000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	21000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	18000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	247000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	134000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1448000000	USD
CY2019	thc	Increase Decrease In Inventories And Other Assets Current IncreaseDecreaseInInventoriesAndOtherAssetsCurrent	94000000	USD
CY2018	thc	Increase Decrease In Inventories And Other Assets Current IncreaseDecreaseInInventoriesAndOtherAssetsCurrent	-17000000	USD
CY2017	thc	Increase Decrease In Inventories And Other Assets Current IncreaseDecreaseInInventoriesAndOtherAssetsCurrent	35000000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-8000000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	3000000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	38000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	36000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-152000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-10000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-102000000	USD
CY2019	thc	Payments For Restructuring And Litigation Costs PaymentsForRestructuringAndLitigationCosts	192000000	USD
CY2018	thc	Payments For Restructuring And Litigation Costs PaymentsForRestructuringAndLitigationCosts	163000000	USD
CY2017	thc	Payments For Restructuring And Litigation Costs PaymentsForRestructuringAndLitigationCosts	125000000	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-5000000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-5000000	USD
CY2017	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-5000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1233000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1049000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1200000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	670000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	617000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	707000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	25000000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	113000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	50000000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	63000000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	543000000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	827000000	USD
CY2019	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	17000000	USD
CY2018	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2017	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2019	thc	Proceeds From Sale Of Marketable Securities Long Term Investments And Other Assets ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets	82000000	USD
CY2018	thc	Proceeds From Sale Of Marketable Securities Long Term Investments And Other Assets ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets	199000000	USD
CY2017	thc	Proceeds From Sale Of Marketable Securities Long Term Investments And Other Assets ProceedsFromSaleOfMarketableSecuritiesLongTermInvestmentsAndOtherAssets	36000000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	62000000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	148000000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	81000000	USD
CY2019	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	24000000	USD
CY2018	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	-15000000	USD
CY2017	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	10000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6000000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-619000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-115000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	21000000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	2640000000	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	950000000	USD
CY2017	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	970000000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	2640000000	USD
CY2018	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	950000000	USD
CY2017	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	970000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	6131000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	312000000	USD
CY2017	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	4139000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	5719000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	23000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	3795000000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	70000000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	62000000	USD
CY2019	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	307000000	USD
CY2018	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	288000000	USD
CY2017	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	258000000	USD
CY2019	us-gaap	Proceeds From Sale Of Interest In Corporate Unit ProceedsFromSaleOfInterestInCorporateUnit	21000000	USD
CY2018	us-gaap	Proceeds From Sale Of Interest In Corporate Unit ProceedsFromSaleOfInterestInCorporateUnit	20000000	USD
CY2017	us-gaap	Proceeds From Sale Of Interest In Corporate Unit ProceedsFromSaleOfInterestInCorporateUnit	31000000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	11000000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	647000000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	729000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	12000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	7000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	54000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	29000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-763000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1134000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1326000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-149000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-200000000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-105000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	411000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	611000000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	716000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	262000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	411000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	611000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	946000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	976000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	939000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	56000000	USD
CY2019	thc	Number Of Hospitals Operated By Subsidiaries NumberOfHospitalsOperatedBySubsidiaries	65	hospital
CY2019	thc	Number Of Healthcare Facilities NumberOfHealthcareFacilities	500	center
CY2019	thc	Number Of Facilities Owned By Subsidiaries NumberOfFacilitiesOwnedBySubsidiaries	109	hospital
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	822000000	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	147000000	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	715000000	USD
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Certain prior-year amounts have been reclassified to conform to current year presentation. In our accompanying Consolidated Statements of Operations, electronic health record incentives have been reclassified to other operating expenses, net, as they are no longer significant enough to present separately. In our accompanying Consolidated Statements of Cash Flows, purchases of marketable securities have been reclassified from other items, net within cash flows from investing activities to purchases of marketable securities and equity investments.</span></div>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements, in conformity with accounting principles generally accepted in the United States of America (“GAAP”), requires us to make estimates and assumptions that affect the amounts reported in our Consolidated Financial Statements and these accompanying notes. We regularly evaluate the accounting policies and estimates we use. In general, we base the estimates on historical experience and on assumptions that we believe to be reasonable given the particular circumstances in which we operate. Although we believe all adjustments considered necessary for a fair presentation have been included, actual results may vary from those estimates. Financial and statistical information we report to other regulatory agencies may be prepared on a basis other than GAAP or using different assumptions or reporting periods and, therefore, may vary from amounts presented herein. Although we make every effort to ensure that the information we report to those agencies is accurate, complete and consistent with applicable reporting guidelines, we cannot be responsible for the accuracy of the information they make available to the public.</span></div>
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	262000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	411000000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	136000000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	135000000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	117000000	USD
CY2019	thc	Finance Lease Liability Incurred FinanceLeaseLiabilityIncurred	141000000	USD
CY2018	thc	Finance Lease Liability Incurred FinanceLeaseLiabilityIncurred	149000000	USD
CY2017	thc	Finance Lease Liability Incurred FinanceLeaseLiabilityIncurred	162000000	USD
CY2019	thc	Percentage Investee Results Reflected PercentageInvesteeResultsReflected	1
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	1180000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	842000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	805000000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	1042000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	662000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	1223000000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	372000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	313000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	354000000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	739000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	430000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	389000000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	579000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	530000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	490000000	USD
CY2019	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2680000000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2469000000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2907000000	USD
CY2019	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	765000000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	599000000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	558000000	USD
CY2019	thc	Equity Method Investment Summarized Financial Information Net Income Loss Attributable To Investee EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossAttributableToInvestee	499000000	USD
CY2018	thc	Equity Method Investment Summarized Financial Information Net Income Loss Attributable To Investee EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossAttributableToInvestee	372000000	USD
CY2017	thc	Equity Method Investment Summarized Financial Information Net Income Loss Attributable To Investee EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossAttributableToInvestee	363000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	175000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	150000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	144000000	USD
CY2019	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P15Y
CY2019	us-gaap	Malpractice Loss Contingency Discount Rate MalpracticeLossContingencyDiscountRate	0.0183
CY2018	us-gaap	Malpractice Loss Contingency Discount Rate MalpracticeLossContingencyDiscountRate	0.0259
CY2019Q4	thc	Percentage Of Net Operating Revenues Generated By General Hospitals PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals	0.81
CY2018Q4	thc	Percentage Of Net Operating Revenues Generated By General Hospitals PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals	0.80
CY2017Q4	thc	Percentage Of Net Operating Revenues Generated By General Hospitals PercentageOfNetOperatingRevenuesGeneratedByGeneralHospitals	0.82
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2743000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2595000000	USD
CY2019	us-gaap	Health Care Organization Health Care Costs Gross HealthCareOrganizationHealthCareCostsGross	822000000	USD
CY2018	us-gaap	Health Care Organization Health Care Costs Gross HealthCareOrganizationHealthCareCostsGross	764000000	USD
CY2017	us-gaap	Health Care Organization Health Care Costs Gross HealthCareOrganizationHealthCareCostsGross	769000000	USD
CY2019Q4	thc	Contract With Customer Asset Percentage To Be Reclassified To Receivable Within90 Days ContractWithCustomerAssetPercentageToBeReclassifiedToReceivableWithin90Days	0.85
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	5000000	USD
CY2018	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	11000000	USD
CY2017	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	10000000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Gross CapitalizedContractCostGross	25000000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Gross CapitalizedContractCostGross	28000000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2019	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	185000000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	42000000	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	137000000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	6000000	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	57000000	USD
CY2019	us-gaap	Business Exit Costs1 BusinessExitCosts1	6000000	USD
CY2019	us-gaap	Other Restructuring Costs OtherRestructuringCosts	46000000	USD
CY2018	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	209000000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	77000000	USD
CY2018	us-gaap	Restructuring Costs RestructuringCosts	115000000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	17000000	USD
CY2019	us-gaap	Disposal Group Not Discontinued Operation Loss Gain On Write Down DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown	40000000	USD
CY2019	thc	Number Of Hospitals With Impairment Charges NumberOfHospitalsWithImpairmentCharges	2	hospital
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	130000000	USD
CY2018	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	4000000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	68000000	USD
CY2018	us-gaap	Business Exit Costs1 BusinessExitCosts1	17000000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	30000000	USD
CY2018	thc	Business Combination Acquisition Related Transaction Costs BusinessCombinationAcquisitionRelatedTransactionCosts	10000000	USD
CY2018	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	7000000	USD
CY2017	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	541000000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	402000000	USD
CY2017	us-gaap	Restructuring Costs RestructuringCosts	117000000	USD
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	22000000	USD
CY2017	us-gaap	Disposal Group Not Discontinued Operation Loss Gain On Write Down DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown	364000000	USD
CY2017	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	31000000	USD
CY2017	thc	Number Of Equity Method Investments With Impairment Charges NumberOfEquityMethodInvestmentsWithImpairmentCharges	2	investment
CY2017	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	7000000	USD
CY2017	us-gaap	Severance Costs1 SeveranceCosts1	82000000	USD
CY2017	us-gaap	Business Exit Costs1 BusinessExitCosts1	15000000	USD
CY2017	us-gaap	Other Restructuring Costs OtherRestructuringCosts	20000000	USD
CY2017	thc	Business Combination Acquisition Related Transaction Costs BusinessCombinationAcquisitionRelatedTransactionCosts	6000000	USD
CY2017	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	16000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	912000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	407000000	USD
CY2019Q4	thc	Lease Right Of Use Asset LeaseRightOfUseAsset	1319000000	USD
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M18D
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	159000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	858000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1017000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	143000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	182000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	325000000	USD
CY2019Q4	thc	Lease Liability LeaseLiability	1342000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	211000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	85000000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	15000000	USD
CY2019	thc	Finance Lease Cost FinanceLeaseCost	100000000	USD
CY2019	thc	Variable And Shortterm Lease Costs VariableAndShorttermLeaseCosts	133000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	444000000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.056
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.055
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	197000000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	18000000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	151000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	249000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	141000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	159000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	143000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Next Twelve Months LesseeLeaseLiabilityPaymentsNextTwelveMonths	302000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	180000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	96000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Due Year Two LesseeLeaseLiabilityPaymentsDueYearTwo	276000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	160000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	38000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Due Year Three LesseeLeaseLiabilityPaymentsDueYearThree	198000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	140000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	10000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Due Year Four LesseeLeaseLiabilityPaymentsDueYearFour	150000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	121000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	9000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Due Year Five LesseeLeaseLiabilityPaymentsDueYearFive	130000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	504000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	91000000	USD
CY2019Q4	thc	Lessee Lease Liability Payments Due After Year Five LesseeLeaseLiabilityPaymentsDueAfterYearFive	595000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1264000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	387000000	USD
CY2019Q4	thc	Lease Liability Payments Due LeaseLiabilityPaymentsDue	1651000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	247000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	62000000	USD
CY2019Q4	thc	Lease Liability Undiscounted Excess Amount LeaseLiabilityUndiscountedExcessAmount	309000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1017000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	325000000	USD
CY2019Q4	thc	Lease Liability LeaseLiability	1342000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	159000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	143000000	USD
CY2019Q4	thc	Lease Liability Current LeaseLiabilityCurrent	302000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	858000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	425000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	140000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	95000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	182000000	USD
CY2019Q4	thc	Lease Liability Noncurrent LeaseLiabilityNoncurrent	1040000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	57000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	37000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	21000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	75000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	932000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	171000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	151000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	133000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	113000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	92000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	272000000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	326000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	340000000	USD
CY2018	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	11000000	USD
CY2017	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	14000000	USD
CY2019Q4	thc	Finance Leases And Mortgage Notes FinanceLeasesAndMortgageNotes	445000000	USD
CY2018Q4	thc	Finance Leases And Mortgage Notes FinanceLeasesAndMortgageNotes	500000000	USD
CY2019Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	14751000000	USD
CY2018Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	14826000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	171000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	182000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	14580000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	14644000000	USD
CY2019Q3	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-180000000	USD
CY2019Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-47000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	14937000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	171000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	112000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	2851000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	1903000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	2486000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	7414000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	42000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	46000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	59000000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	4000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y7M6D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	12.50
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.16
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.48
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.46
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y2M12D
CY2018Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y2M12D
CY2019Q1	thc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0
CY2018Q1	thc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0253
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0272
CY2019	thc	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Percentage ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPercentage	1.000
CY2019	thc	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Percentage Of Total ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPercentageOfTotal	1.000
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2000000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	58000000	USD
CY2019Q4	thc	Number Of New Directors NumberOfNewDirectors	1	member
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2018Q2	thc	Number Of New Directors NumberOfNewDirectors	2	member
CY2019	thc	Number Of New Directors NumberOfNewDirectors	2	member
CY2019Q3	thc	Number Of New Directors NumberOfNewDirectors	1	member
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	127000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	99000000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	128000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1301000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1455000000	USD
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	56000000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	132000000	USD
CY2018	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-90000000	USD
CY2019	thc	Defined Benefit Plan Benefits Paid Or Employer Contribution DefinedBenefitPlanBenefitsPaidOrEmployerContribution	123000000	USD
CY2018	thc	Defined Benefit Plan Benefits Paid Or Employer Contribution DefinedBenefitPlanBenefitsPaidOrEmployerContribution	122000000	USD
CY2019	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	1000000	USD
CY2018	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1369000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1301000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	731000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	850000000	USD
CY2019	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	128000000	USD
CY2018	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-65000000	USD
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	33000000	USD
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	47000000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	102000000	USD
CY2018	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	101000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	790000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	731000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-579000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-570000000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	19000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	49000000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	560000000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	521000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	323000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	281000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1367000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1299000000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2000000	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2000000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	58000000	USD
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	56000000	USD
CY2017	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	62000000	USD
CY2019	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	46000000	USD
CY2018	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	54000000	USD
CY2017	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	50000000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-10000000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-14000000	USD
CY2017	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-14000000	USD
CY2019	thc	Defined Benefit Plan Special Termination Benefit Costs DefinedBenefitPlanSpecialTerminationBenefitCosts	1000000	USD
CY2018	thc	Defined Benefit Plan Special Termination Benefit Costs DefinedBenefitPlanSpecialTerminationBenefitCosts	0	USD
CY2017	thc	Defined Benefit Plan Special Termination Benefit Costs DefinedBenefitPlanSpecialTerminationBenefitCosts	0	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	23000000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	18000000	USD
CY2017	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	28000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-42000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-15000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	56000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-52000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-29000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	42000000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-10000000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-14000000	USD
CY2017	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-14000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-323000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-281000000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-266000000	USD
CY2019Q4	thc	Defined Benefit Plan Expected Future Benefit Payments DefinedBenefitPlanExpectedFutureBenefitPayments	876000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	85000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	87000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	89000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	89000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	90000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	436000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-579000000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	19000000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	560000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	19000000	USD
CY2019Q4	thc	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	12376000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	12214000000	USD
CY2019Q4	thc	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	5498000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5221000000	USD
CY2019Q4	thc	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	6878000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6993000000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	2694000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1092000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1602000000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	2744000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1013000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1731000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1037000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	156000000	USD
CY2019Q4	thc	Land Heldfor Expansion Other Long Term Receivablesand Other Assets Noncurrent LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent	169000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	142000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	130000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	122000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	104000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	383000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	188000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	185000000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	172000000	USD
CY2019Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	2000000	USD
CY2018Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	40000000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	978000000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	956000000	USD
CY2019Q4	us-gaap	Long Term Investments LongTermInvestments	980000000	USD
CY2018Q4	us-gaap	Long Term Investments LongTermInvestments	996000000	USD
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	36000000	USD
CY2018Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	30000000	USD
CY2019Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	59000000	USD
CY2018Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	44000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	213000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	231000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	912000000	USD
CY2019Q4	thc	Loss Contingency Number Of Individuals LossContingencyNumberOfIndividuals	3	individual
CY2018Q4	thc	Land Heldfor Expansion Other Long Term Receivablesand Other Assets Noncurrent LandHeldforExpansionOtherLongTermReceivablesandOtherAssetsNoncurrent	155000000	USD
CY2019Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	2369000000	USD
CY2018Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	1456000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	257000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	223000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-257000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-223000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-8000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-3000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-3000000	USD
CY2019	thc	Malpractice Loss Contingency Adverse Developments In Prior Years MalpracticeLossContingencyAdverseDevelopmentsInPriorYears	155000000	USD
CY2018	thc	Malpractice Loss Contingency Adverse Developments In Prior Years MalpracticeLossContingencyAdverseDevelopmentsInPriorYears	176000000	USD
CY2017	thc	Malpractice Loss Contingency Adverse Developments In Prior Years MalpracticeLossContingencyAdverseDevelopmentsInPriorYears	61000000	USD
CY2019	thc	Loss Contingency Number Of Individuals LossContingencyNumberOfIndividuals	3	individual
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-6000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-6000000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-4000000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	26000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	33000000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	23000000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	20000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	27000000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	134000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	159000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	202000000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1000000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-10000000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2000000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	133000000	USD
CY2018	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	149000000	USD
CY2017	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	200000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	219000000	USD
CY2019	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Expiration Or Worthlessness Of Unutilized State Net Operating Loss Carryovers ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToExpirationOrWorthlessnessOfUnutilizedStateNetOperatingLossCarryovers	-2000000	USD
CY2019	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-2000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-6000000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	62000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	134000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-35000000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	20000000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	23000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4000000	USD
CY2019	thc	Income Tax Reconciliation State Net Operating Losses Expired Net Of Federal Income Tax Benefit IncomeTaxReconciliationStateNetOperatingLossesExpiredNetOfFederalIncomeTaxBenefit	2000000	USD
CY2018	thc	Income Tax Reconciliation State Net Operating Losses Expired Net Of Federal Income Tax Benefit IncomeTaxReconciliationStateNetOperatingLossesExpiredNetOfFederalIncomeTaxBenefit	9000000	USD
CY2017	thc	Income Tax Reconciliation State Net Operating Losses Expired Net Of Federal Income Tax Benefit IncomeTaxReconciliationStateNetOperatingLossesExpiredNetOfFederalIncomeTaxBenefit	28000000	USD
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	79000000	USD
CY2018	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	70000000	USD
CY2017	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	113000000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	4000000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	8000000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	109000000	USD
CY2019	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Executive Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount	6000000	USD
CY2018	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Executive Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount	4000000	USD
CY2017	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Executive Compensation Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount	0	USD
CY2019	thc	Income Tax Reconciliation Nondeductible Expense Litigation IncomeTaxReconciliationNondeductibleExpenseLitigation	7000000	USD
CY2018	thc	Income Tax Reconciliation Nondeductible Expense Litigation IncomeTaxReconciliationNondeductibleExpenseLitigation	0	USD
CY2017	thc	Income Tax Reconciliation Nondeductible Expense Litigation IncomeTaxReconciliationNondeductibleExpenseLitigation	0	USD
CY2019	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Expired Charitable Contributions Carryforward Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExpiredCharitableContributionsCarryforwardAmount	-8000000	USD
CY2018	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Expired Charitable Contributions Carryforward Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExpiredCharitableContributionsCarryforwardAmount	0	USD
CY2017	thc	Effective Income Tax Rate Reconciliation Nondeductible Expense Expired Charitable Contributions Carryforward Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExpiredCharitableContributionsCarryforwardAmount	0	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	246000000	USD
CY2019	thc	Effective Income Tax Rate Reconciliation Divestment Of Foreign Subsidiary Amount EffectiveIncomeTaxRateReconciliationDivestmentOfForeignSubsidiaryAmount	0	USD
CY2018	thc	Effective Income Tax Rate Reconciliation Divestment Of Foreign Subsidiary Amount EffectiveIncomeTaxRateReconciliationDivestmentOfForeignSubsidiaryAmount	6000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	45000000	USD
CY2017	thc	Effective Income Tax Rate Reconciliation Divestment Of Foreign Subsidiary Amount EffectiveIncomeTaxRateReconciliationDivestmentOfForeignSubsidiaryAmount	30000000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	4000000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	5000000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	15000000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	133000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	76000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-14000000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1000000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-6000000	USD
CY2019	thc	Income Tax Reconciliation Prior Year Income Taxes And Change In Deferred Taxes IncomeTaxReconciliationPriorYearIncomeTaxesAndChangeInDeferredTaxes	3000000	USD
CY2018	thc	Income Tax Reconciliation Prior Year Income Taxes And Change In Deferred Taxes IncomeTaxReconciliationPriorYearIncomeTaxesAndChangeInDeferredTaxes	5000000	USD
CY2017	thc	Income Tax Reconciliation Prior Year Income Taxes And Change In Deferred Taxes IncomeTaxReconciliationPriorYearIncomeTaxesAndChangeInDeferredTaxes	-4000000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	176000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	219000000	USD
CY2017	thc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpenseBenefit	251000000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	252000000	USD
CY2017	thc	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Change In Valuation Allowance Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetChangeInValuationAllowanceProvisionalIncomeTaxExpenseBenefit	6000000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	252000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	246000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	282000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	297000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	14000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	24000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	165000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	155000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	195000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	205000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	356000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	341000000	USD
CY2019Q4	thc	Deferred Tax Assets Other Long Term Liabilities DeferredTaxAssetsOtherLongTermLiabilities	35000000	USD
CY2018Q4	thc	Deferred Tax Assets Other Long Term Liabilities DeferredTaxAssetsOtherLongTermLiabilities	39000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	274000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	255000000	USD
CY2018	thc	Valuation Allowance Deferred Tax Asset Increase Decrease Amount Due To Interest Expense Limitations ValuationAllowanceDeferredTaxAssetIncreaseDecreaseAmountDueToInterestExpenseLimitations	89000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	767000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	32000000	USD
CY2019Q4	thc	Deferred Tax Liabilities Investments And Other Assets DeferredTaxLiabilitiesInvestmentsAndOtherAssets	95000000	USD
CY2018Q4	thc	Deferred Tax Liabilities Investments And Other Assets DeferredTaxLiabilitiesInvestmentsAndOtherAssets	83000000	USD
CY2019Q4	thc	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	219000000	USD
CY2018Q4	thc	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	89000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	179000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	266000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	19000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	24000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	45000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	34000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	88000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	32000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1190000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1177000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	753000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	281000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	148000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	909000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	767000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1029000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	753000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	169000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	312000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	27000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	36000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	142000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	276000000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	133000000	USD
CY2019	thc	Valuation Allowance Deferred Tax Asset Increase Decrease Amount Due To Interest Expense Limitations ValuationAllowanceDeferredTaxAssetIncreaseDecreaseAmountDueToInterestExpenseLimitations	130000000	USD
CY2019	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Expiration Or Worthlessness Of Unutilized State Net Operating Loss Carryovers ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToExpirationOrWorthlessnessOfUnutilizedStateNetOperatingLossCarryovers	-2000000	USD
CY2019	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Changes In Expected Realizability Of Deferred Tax Assets ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToChangesInExpectedRealizabilityOfDeferredTaxAssets	5000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	281000000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	76000000	USD
CY2018	thc	Effect Of Dilutive Stock Options Restricted Stock Units And Mandatory Convertible Preferred Stock Per Share Amount EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount	-0.02
CY2018	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Expiration Or Worthlessness Of Unutilized State Net Operating Loss Carryovers ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToExpirationOrWorthlessnessOfUnutilizedStateNetOperatingLossCarryovers	-9000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	108000000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103398000	shares
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	45000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-243000000	USD
CY2018	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Changes In Expected Realizability Of Deferred Tax Assets ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToChangesInExpectedRealizabilityOfDeferredTaxAssets	-4000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	148000000	USD
CY2017	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Expiration Or Worthlessness Of Unutilized State Net Operating Loss Carryovers ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToExpirationOrWorthlessnessOfUnutilizedStateNetOperatingLossCarryovers	-28000000	USD
CY2017	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Change In Federal Tax Rate ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToChangeInFederalTaxRate	6000000	USD
CY2017	thc	Valuation Allowance Deferred Tax Asset Change In Amount Attributable To Changes In Expected Realizability Of Deferred Tax Assets ValuationAllowanceDeferredTaxAssetChangeInAmountAttributableToChangesInExpectedRealizabilityOfDeferredTaxAssets	22000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	72000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	31000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	29000000	USD
CY2019	thc	Income Tax Expense Benefit Due To Increase Decrease In Liabilities For Uncertain Tax Positions IncomeTaxExpenseBenefitDueToIncreaseDecreaseInLiabilitiesForUncertainTaxPositions	-11000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	43000000	USD
CY2018	thc	Income Tax Expense Benefit Due To Increase Decrease In Liabilities For Uncertain Tax Positions IncomeTaxExpenseBenefitDueToIncreaseDecreaseInLiabilitiesForUncertainTaxPositions	-1000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	46000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	44000000	USD
CY2017	thc	Income Tax Expense Benefit Due To Increase Decrease In Liabilities For Uncertain Tax Positions IncomeTaxExpenseBenefitDueToIncreaseDecreaseInLiabilitiesForUncertainTaxPositions	-5000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2019Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	0	USD
CY2019	thc	Operating Loss Carryforward Limitation On Use Percent Of Shareholders OperatingLossCarryforwardLimitationOnUsePercentOfShareholders	0.05
CY2019	thc	Operating Loss Carryforward Limitation On Use Percent Of Shareholders OperatingLossCarryforwardLimitationOnUsePercentOfShareholders	0.05
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.35
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2019	thc	Effect Of Dilutive Stock Options Restricted Stock Units And Mandatory Convertible Preferred Stock Per Share Amount EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount	0
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-243000000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103398000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.35
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	108000000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	102110000	shares
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.06
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1771000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103881000	shares
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.04
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-704000000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	100592000	shares
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-7.00
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2017	thc	Effect Of Dilutive Stock Options Restricted Stock Units And Mandatory Convertible Preferred Stock Per Share Amount EffectOfDilutiveStockOptionsRestrictedStockUnitsAndMandatoryConvertiblePreferredStockPerShareAmount	0
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-704000000	USD
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	100592000	shares
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-7.00
CY2019Q4	us-gaap	Assets Held For Sale Long Lived Fair Value Disclosure AssetsHeldForSaleLongLivedFairValueDisclosure	387000000	USD
CY2018Q4	us-gaap	Assets Held For Sale Long Lived Fair Value Disclosure AssetsHeldForSaleLongLivedFairValueDisclosure	39000000	USD
CY2018Q4	thc	Assets Heldforuse Long Lived Fair Value Disclosure AssetsHeldforuseLongLivedFairValueDisclosure	130000000	USD
CY2018	us-gaap	Disposal Group Not Discontinued Operation Loss Gain On Write Down DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown	40000000	USD
CY2018	thc	Number Of Hospitals With Impairment Charges NumberOfHospitalsWithImpairmentCharges	2	hospital
CY2018	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	4000000	USD
CY2019Q4	thc	Estimated Fair Value Of Debt Instrument As Percentage Of Carrying Value EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue	1.064
CY2018Q4	thc	Estimated Fair Value Of Debt Instrument As Percentage Of Carrying Value EstimatedFairValueOfDebtInstrumentAsPercentageOfCarryingValue	0.973
CY2019	thc	Number Of Hospitals Operated By Subsidiaries NumberOfHospitalsOperatedBySubsidiaries	65	hospital
CY2019Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	9	state
CY2019Q4	us-gaap	Assets Assets	23351000000	USD
CY2018Q4	us-gaap	Assets Assets	22409000000	USD
CY2017Q4	us-gaap	Assets Assets	23385000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	144000000	USD
CY2019	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2706000000	USD
CY2018	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	209000000	USD
CY2017	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	541000000	USD
CY2018	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2560000000	USD
CY2017	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2444000000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-141000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	850000000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-38000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	802000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	870000000	USD
CY2019	thc	Capital Expenditure CapitalExpenditure	670000000	USD
CY2018	thc	Capital Expenditure CapitalExpenditure	617000000	USD
CY2017	thc	Capital Expenditure CapitalExpenditure	707000000	USD
CY2019	us-gaap	Revenues Revenues	18479000000	USD
CY2018	us-gaap	Revenues Revenues	18313000000	USD
CY2017	us-gaap	Revenues Revenues	19179000000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	175000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	150000000	USD
CY2019	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2706000000	USD
CY2018	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2560000000	USD
CY2017	thc	Adjusted Earnings Before Interest Tax Depreciation And Amortization AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization	2444000000	USD
CY2019	thc	Income Loss From Divested And Closed Businesses IncomeLossFromDivestedAndClosedBusinesses	-2000000	USD
CY2018	thc	Income Loss From Divested And Closed Businesses IncomeLossFromDivestedAndClosedBusinesses	9000000	USD
CY2017	thc	Income Loss From Divested And Closed Businesses IncomeLossFromDivestedAndClosedBusinesses	-41000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	850000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	802000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	870000000	USD
CY2019	thc	Restructuring Settlement Impairment Provisions And Acquisition Cost RestructuringSettlementImpairmentProvisionsAndAcquisitionCost	185000000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-23000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	985000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	1004000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	1028000000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-227000000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	1000000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-164000000	USD
CY2019	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5000000	USD
CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5000000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	22000000	USD
CY2019	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	-15000000	USD
CY2018	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	127000000	USD
CY2017	thc	Net Gainon Sale Consolidation And Deconsolidation Of Facilities NetGainonSaleConsolidationAndDeconsolidationOfFacilities	144000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	296000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	639000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-101000000	USD
CY2019Q1	us-gaap	Revenues Revenues	4545000000	USD
CY2019Q2	us-gaap	Revenues Revenues	4560000000	USD
CY2019Q3	us-gaap	Revenues Revenues	4568000000	USD
CY2019Q4	us-gaap	Revenues Revenues	4806000000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	65000000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	112000000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-152000000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	129000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-19000000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-232000000	USD
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2000000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.18
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.24
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.18
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.24
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.02
CY2018Q1	us-gaap	Revenues Revenues	4699000000	USD
CY2018Q2	us-gaap	Revenues Revenues	4506000000	USD
CY2018Q3	us-gaap	Revenues Revenues	4489000000	USD
CY2018Q4	us-gaap	Revenues Revenues	4619000000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	191000000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	108000000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	65000000	USD
CY2018Q4	us-gaap	Profit Loss ProfitLoss	102000000	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	99000000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	26000000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-9000000	USD
CY2018Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-5000000	USD
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04

Files In Submission

Name	View Source	Status
0000070318-20-000014-index-headers.html	Edgar Link	pending
0000070318-20-000014-index.html	Edgar Link	pending
0000070318-20-000014.txt	Edgar Link	pending
0000070318-20-000014-xbrl.zip	Edgar Link	pending
chart-1b1e157b5e7d5b7f8b9.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R106.htm	Edgar Link	pending
R107.htm	Edgar Link	pending
R108.htm	Edgar Link	pending
R109.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R110.htm	Edgar Link	pending
R111.htm	Edgar Link	pending
R112.htm	Edgar Link	pending
R113.htm	Edgar Link	pending
R114.htm	Edgar Link	pending
R115.htm	Edgar Link	pending
R116.htm	Edgar Link	pending
R117.htm	Edgar Link	pending
R118.htm	Edgar Link	pending
R119.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R120.htm	Edgar Link	pending
R121.htm	Edgar Link	pending
R122.htm	Edgar Link	pending
R123.htm	Edgar Link	pending
R124.htm	Edgar Link	pending
R125.htm	Edgar Link	pending
R126.htm	Edgar Link	pending
R127.htm	Edgar Link	pending
R128.htm	Edgar Link	pending
R129.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R130.htm	Edgar Link	pending
R131.htm	Edgar Link	pending
R132.htm	Edgar Link	pending
R133.htm	Edgar Link	pending
R134.htm	Edgar Link	pending
R135.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
thc-20191231.xsd	Edgar Link	pending
thc-2019123110xk.htm	Edgar Link	pending
thc-2019123110xk_htm.xml	Edgar Link	completed
thc-20191231ex10ii.htm	Edgar Link	pending
thc-20191231ex10pp.htm	Edgar Link	pending
thc-20191231ex10qq.htm	Edgar Link	pending
thc-20191231ex10rr.htm	Edgar Link	pending
thc-20191231ex10tt.htm	Edgar Link	pending
thc-20191231ex21.htm	Edgar Link	pending
thc-20191231ex23a.htm	Edgar Link	pending
thc-20191231ex23b.htm	Edgar Link	pending
thc-20191231ex31a.htm	Edgar Link	pending
thc-20191231ex31b.htm	Edgar Link	pending
thc-20191231ex32.htm	Edgar Link	pending
thc-20191231ex4a.htm	Edgar Link	pending
thc-20191231_cal.xml	Edgar Link	unprocessable
thc-20191231_def.xml	Edgar Link	unprocessable
thc-20191231_lab.xml	Edgar Link	unprocessable
thc-20191231_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$THC
TENET HEALTHCARE CORP Stock $thc

2019 Q4 Form 10-K Financial Statement

#000007031820000014 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$THC TENET HEALTHCARE CORP Stock $thc

2019 Q4 Form 10-K Financial Statement

#000007031820000014 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$THC
TENET HEALTHCARE CORP Stock $thc