2024 Q1 Form 10-K Financial Statement

#000076406524000038 Filed on February 08, 2024

View on sec.gov

Income Statement

Concept 2024 Q1 2023 Q4 2023
Revenue $5.199B $5.112B $22.00B
YoY Change -1.81% 1.35% -4.32%
Cost Of Revenue $4.914B $4.944B $20.61B
YoY Change -5.43% -3.13% 0.65%
Gross Profit $285.0M $168.0M $1.391B
YoY Change 187.88% -380.0% -44.76%
Gross Profit Margin 5.48% 3.29% 6.32%
Selling, General & Admin $128.0M $162.0M $577.0M
YoY Change 0.79% 48.62% 24.09%
% of Gross Profit 44.91% 96.43% 41.48%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $230.0M $235.0M $973.0M
YoY Change -4.96% -4.47% -5.9%
% of Gross Profit 80.7% 139.88% 69.95%
Operating Expenses $155.0M $136.0M $577.0M
YoY Change 22.05% 15.25% 24.09%
Operating Profit $130.0M $32.00M $814.0M
YoY Change -519.35% -117.98% -58.02%
Interest Expense -$64.00M -$63.00M -$289.0M
YoY Change -16.88% -11.27% 4.71%
% of Operating Profit -49.23% -196.88% -35.5%
Other Income/Expense, Net $62.00M $55.00M $209.0M
YoY Change -348.0% -16.67% -246.15%
Pretax Income -$61.00M -$108.0M $597.0M
YoY Change 8.93% -41.94% -66.76%
Income Tax -$8.000M $30.00M $148.0M
% Of Pretax Income 24.79%
Net Earnings -$67.00M -$156.0M $400.0M
YoY Change 17.54% -27.1% -70.04%
Net Earnings / Revenue -1.29% -3.05% 1.82%
Basic Earnings Per Share -$0.14 $0.78
Diluted Earnings Per Share -$0.14 -$0.31 $0.78
COMMON SHARES
Basic Shares Outstanding 498.3M shares 504.9M shares 510.0M shares
Diluted Shares Outstanding 492.0M shares 511.0M shares

Balance Sheet

Concept 2024 Q1 2023 Q4 2023
SHORT-TERM ASSETS
Cash & Short-Term Investments $30.00M $198.0M $198.0M
YoY Change -49.15% 661.54% 661.54%
Cash & Equivalents $30.00M $198.0M $198.0M
Short-Term Investments
Other Short-Term Assets $122.0M $138.0M $138.0M
YoY Change -50.41% -54.9% -54.9%
Inventory $4.449B $4.460B $4.460B
Prepaid Expenses
Receivables $1.868B $1.840B $1.840B
Other Receivables $0.00 $0.00 $0.00
Total Short-Term Assets $6.469B $6.636B $6.636B
YoY Change -13.1% -10.59% -10.59%
LONG-TERM ASSETS
Property, Plant & Equipment $8.771B $8.895B $8.895B
YoY Change -2.0% -1.93% -1.93%
Goodwill $1.005B $1.005B
YoY Change -11.06% -11.06%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $794.0M $1.001B $1.001B
YoY Change 4.75% 28.83% 8.92%
Total Long-Term Assets $10.77B $10.90B $10.90B
YoY Change -3.93% -3.81% -3.81%
TOTAL ASSETS
Total Short-Term Assets $6.469B $6.636B $6.636B
Total Long-Term Assets $10.77B $10.90B $10.90B
Total Assets $17.24B $17.54B $17.54B
YoY Change -7.59% -6.49% -6.49%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $2.051B $2.099B $2.099B
YoY Change -5.61% -3.98% -3.98%
Accrued Expenses $767.0M $891.0M $891.0M
YoY Change 183.03% 107.69% 88.77%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due $49.00M $49.00M
YoY Change -47.31% -47.31%
Total Short-Term Liabilities $3.396B $3.508B $3.508B
YoY Change -1.85% -1.16% -1.16%
LONG-TERM LIABILITIES
Long-Term Debt $3.664B $3.137B $3.137B
YoY Change -19.63% -26.17% -28.23%
Other Long-Term Liabilities $2.106B $2.131B $2.131B
YoY Change 65.05% 68.19% -3.27%
Total Long-Term Liabilities $5.770B $5.268B $5.268B
YoY Change -1.11% -4.5% -19.87%
TOTAL LIABILITIES
Total Short-Term Liabilities $3.396B $3.508B $3.508B
Total Long-Term Liabilities $5.770B $5.268B $5.268B
Total Liabilities $10.04B $9.415B $9.415B
YoY Change -7.59% -12.12% -14.13%
SHAREHOLDERS EQUITY
Retained Earnings $1.666B $1.733B
YoY Change 30.46% 29.91%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $7.201B $8.122B $8.122B
YoY Change
Total Liabilities & Shareholders Equity $17.24B $17.54B $17.54B
YoY Change -7.59% -6.49% -6.49%

Cashflow Statement

Concept 2024 Q1 2023 Q4 2023
OPERATING ACTIVITIES
Net Income -$67.00M -$156.0M $400.0M
YoY Change 17.54% -27.1% -70.04%
Depreciation, Depletion And Amortization $230.0M $235.0M $973.0M
YoY Change -4.96% -4.47% -5.9%
Cash From Operating Activities $142.0M $652.0M $2.267B
YoY Change -464.1% 33.33% -6.44%
INVESTING ACTIVITIES
Capital Expenditures $182.0M $165.0M $646.0M
YoY Change -3.19% -27.31% -31.5%
Acquisitions
YoY Change
Other Investing Activities $3.000M $44.00M $55.00M
YoY Change -200.0% 144.44% -244.74%
Cash From Investing Activities -$179.0M -$121.0M -$591.0M
YoY Change -3.24% -42.11% -36.86%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net -$152.0M
YoY Change -163.33%
Debt Paid & Issued, Net $652.0M $0.00
YoY Change -100.0%
Cash From Financing Activities -131.0M -364.0M -1.504B
YoY Change -150.97% 17.42% -0.33%
NET CHANGE
Cash From Operating Activities 142.0M 652.0M 2.267B
Cash From Investing Activities -179.0M -121.0M -591.0M
Cash From Financing Activities -131.0M -364.0M -1.504B
Net Change In Cash -168.0M 167.0M 172.0M
YoY Change -609.09% -656.67% -881.82%
FREE CASH FLOW
Cash From Operating Activities $142.0M $652.0M $2.267B
Capital Expenditures $182.0M $165.0M $646.0M
Free Cash Flow -$40.00M $487.0M $1.621B
YoY Change -82.38% 85.88% 9.53%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2023 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
577000000 usd
CY2022 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-4000000 usd
CY2023 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-80000000 usd
CY2021 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-209000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
597000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
1796000000 usd
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
3803000000 usd
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
423000000 usd
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
773000000 usd
CY2021 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
3030000000 usd
CY2023 dei Entity Central Index Key
EntityCentralIndexKey
0000764065
CY2023 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
CY2023 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2023 dei Amendment Flag
AmendmentFlag
false
CY2023Q4 us-gaap Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List
FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentNet
CY2022Q4 us-gaap Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List
FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentNet
CY2023Q4 us-gaap Operating Lease Liability Statement Of Financial Position Extensible List
OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4 us-gaap Finance Lease Liability Statement Of Financial Position Extensible List
FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4 us-gaap Finance Lease Liability Current Statement Of Financial Position Extensible List
FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4 us-gaap Operating Lease Liability Current Statement Of Financial Position Extensible List
OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4 us-gaap Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List
OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023Q4 us-gaap Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List
FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023 dei Document Annual Report
DocumentAnnualReport
true
CY2023 dei Document Period End Date
DocumentPeriodEndDate
2023-12-31
CY2023 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2023 dei Document Transition Report
DocumentTransitionReport
false
CY2023 dei Entity File Number
EntityFileNumber
1-8944
CY2023 dei Entity Registrant Name
EntityRegistrantName
CLEVELAND-CLIFFS INC.
CY2023 dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
OH
CY2023 dei Entity Tax Identification Number
EntityTaxIdentificationNumber
34-1464672
CY2023 dei Entity Address Address Line1
EntityAddressAddressLine1
200 Public Square,
CY2023 dei Entity Address City Or Town
EntityAddressCityOrTown
Cleveland,
CY2023 dei Entity Address State Or Province
EntityAddressStateOrProvince
OH
CY2023 dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
44114-2315
CY2023 dei City Area Code
CityAreaCode
216
CY2023 dei Local Phone Number
LocalPhoneNumber
694-5700
CY2023 dei Security12b Title
Security12bTitle
Common Shares, par value $0.125 per share
CY2023 dei Trading Symbol
TradingSymbol
CLF
CY2023 dei Security Exchange Name
SecurityExchangeName
NYSE
CY2023 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
Yes
CY2023 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2023 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2023 dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
CY2023 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2023 dei Entity Small Business
EntitySmallBusiness
false
CY2023 dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
CY2023 dei Icfr Auditor Attestation Flag
IcfrAuditorAttestationFlag
true
CY2023 dei Document Fin Stmt Error Correction Flag
DocumentFinStmtErrorCorrectionFlag
false
CY2023 dei Entity Shell Company
EntityShellCompany
false
CY2023Q2 dei Entity Public Float
EntityPublicFloat
8390625983 usd
CY2024Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
498289476 shares
CY2023Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
198000000 usd
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
26000000 usd
CY2023Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1840000000 usd
CY2022Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1960000000 usd
CY2023Q4 us-gaap Inventory Net
InventoryNet
4460000000 usd
CY2022Q4 us-gaap Inventory Net
InventoryNet
5130000000 usd
CY2023Q4 us-gaap Other Assets Current
OtherAssetsCurrent
138000000 usd
CY2022Q4 us-gaap Other Assets Current
OtherAssetsCurrent
306000000 usd
CY2023Q4 us-gaap Assets Current
AssetsCurrent
6636000000 usd
CY2022Q4 us-gaap Assets Current
AssetsCurrent
7422000000 usd
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
8895000000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9070000000 usd
CY2023Q4 us-gaap Goodwill
Goodwill
1005000000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
1130000000 usd
CY2023Q4 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
329000000 usd
CY2022Q4 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
356000000 usd
CY2023Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
672000000 usd
CY2022Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
777000000 usd
CY2023Q4 us-gaap Assets
Assets
17537000000 usd
CY2022Q4 us-gaap Assets
Assets
18755000000 usd
CY2023Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
2099000000 usd
CY2022Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
2186000000 usd
CY2023Q4 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
511000000 usd
CY2022Q4 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
429000000 usd
CY2023Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
380000000 usd
CY2022Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
383000000 usd
CY2023Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
518000000 usd
CY2022Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
551000000 usd
CY2023Q4 us-gaap Liabilities Current
LiabilitiesCurrent
3508000000 usd
CY2022Q4 us-gaap Liabilities Current
LiabilitiesCurrent
3549000000 usd
CY2023Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
3137000000 usd
CY2022Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
4249000000 usd
CY2023Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
821000000 usd
CY2022Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
1058000000 usd
CY2023Q4 us-gaap Deferred Tax And Other Liabilities Noncurrent
DeferredTaxAndOtherLiabilitiesNoncurrent
639000000 usd
CY2022Q4 us-gaap Deferred Tax And Other Liabilities Noncurrent
DeferredTaxAndOtherLiabilitiesNoncurrent
590000000 usd
CY2023Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
1310000000 usd
CY2022Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
1267000000 usd
CY2023Q4 us-gaap Liabilities
Liabilities
9415000000 usd
CY2022Q4 us-gaap Liabilities
Liabilities
10713000000 usd
CY2023Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2022Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.125
CY2023Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.125
CY2023Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1200000000 shares
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1200000000 shares
CY2023Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
531051530 shares
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
531051530 shares
CY2023Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
504886773 shares
CY2022Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
513340779 shares
CY2023Q4 us-gaap Common Stock Value Outstanding
CommonStockValueOutstanding
66000000 usd
CY2022Q4 us-gaap Common Stock Value Outstanding
CommonStockValueOutstanding
66000000 usd
CY2023Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
4861000000 usd
CY2022Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
4871000000 usd
CY2023Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1733000000 usd
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1334000000 usd
CY2023Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
26164757 shares
CY2022Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
17710751 shares
CY2023Q4 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
430000000 usd
CY2022Q4 us-gaap Treasury Stock Common Value
TreasuryStockCommonValue
310000000 usd
CY2023Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
1657000000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
1830000000 usd
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
7887000000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
7791000000 usd
CY2023Q4 us-gaap Minority Interest
MinorityInterest
235000000 usd
CY2022Q4 us-gaap Minority Interest
MinorityInterest
251000000 usd
CY2023Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
8122000000 usd
CY2022Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
8042000000 usd
CY2023Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
17537000000 usd
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
18755000000 usd
CY2023 us-gaap Revenues
Revenues
21996000000 usd
CY2022 us-gaap Revenues
Revenues
22989000000 usd
CY2021 us-gaap Revenues
Revenues
20444000000 usd
CY2023 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
20605000000 usd
CY2022 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
20471000000 usd
CY2021 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
15910000000 usd
CY2022 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
465000000 usd
CY2021 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
422000000 usd
CY2023 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
12000000 usd
CY2022 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
4000000 usd
CY2021 us-gaap Business Combination Acquisition Related Costs
BusinessCombinationAcquisitionRelatedCosts
20000000 usd
CY2023 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
125000000 usd
CY2022 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 usd
CY2021 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 usd
CY2023 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
-289000000 usd
CY2023 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
0 usd
CY2022 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-75000000 usd
CY2023 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
-204000000 usd
CY2022 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
-212000000 usd
CY2021 us-gaap Defined Benefit Plan Net Periodic Benefit Cost
DefinedBenefitPlanNetPeriodicBenefitCost
-210000000 usd
CY2023 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
5000000 usd
CY2021 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
6000000 usd
CY2022 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-143000000 usd
CY2023 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
226000000 usd
CY2022 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
2547000000 usd
CY2021 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
3739000000 usd
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
148000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
449000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
1373000000 usd
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
1000000 usd
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
3000000 usd
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
3000000 usd
CY2023 us-gaap Profit Loss
ProfitLoss
450000000 usd
CY2022 us-gaap Profit Loss
ProfitLoss
1376000000 usd
CY2021 us-gaap Profit Loss
ProfitLoss
3033000000 usd
CY2023 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
51000000 usd
CY2022 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
41000000 usd
CY2021 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
45000000 usd
CY2023 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
399000000 usd
CY2022 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
1335000000 usd
CY2021 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
2988000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
0.78
CY2022 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
2.57
CY2021 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
5.62
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0.01
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.78
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.57
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
5.63
CY2023 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
0.78
CY2022 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
2.55
CY2021 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
5.35
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0.01
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.78
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.55
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
5.36
CY2023 us-gaap Profit Loss
ProfitLoss
450000000 usd
CY2022 us-gaap Profit Loss
ProfitLoss
1376000000 usd
CY2021 us-gaap Profit Loss
ProfitLoss
3033000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
20000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-1298000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-684000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
-154000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
-84000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
69000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
1000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-2000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-2000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-173000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1212000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
751000000 usd
CY2023 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
277000000 usd
CY2022 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
2588000000 usd
CY2021 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
3784000000 usd
CY2023 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
51000000 usd
CY2022 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
41000000 usd
CY2021 us-gaap Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
45000000 usd
CY2023 us-gaap Profit Loss
ProfitLoss
450000000 usd
CY2022 us-gaap Profit Loss
ProfitLoss
1376000000 usd
CY2021 us-gaap Profit Loss
ProfitLoss
3033000000 usd
CY2023 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
973000000 usd
CY2022 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1034000000 usd
CY2021 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
897000000 usd
CY2023 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
114000000 usd
CY2022 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
90000000 usd
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
767000000 usd
CY2023 us-gaap Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash
PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash
-163000000 usd
CY2022 us-gaap Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash
PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash
-132000000 usd
CY2021 us-gaap Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash
PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash
-103000000 usd
CY2023 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
125000000 usd
CY2022 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 usd
CY2021 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 usd
CY2023 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
0 usd
CY2022 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-75000000 usd
CY2021 us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-88000000 usd
CY2023 clf Amortization Of Inventory Step Up
AmortizationOfInventoryStepUp
0 usd
CY2022 clf Amortization Of Inventory Step Up
AmortizationOfInventoryStepUp
0 usd
CY2021 clf Amortization Of Inventory Step Up
AmortizationOfInventoryStepUp
161000000 usd
CY2023 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-76000000 usd
CY2022 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-151000000 usd
CY2021 us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-139000000 usd
CY2023 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-120000000 usd
CY2022 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-197000000 usd
CY2021 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
754000000 usd
CY2023 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-670000000 usd
CY2022 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-64000000 usd
CY2021 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
1370000000 usd
CY2023 us-gaap Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
122000000 usd
CY2022 us-gaap Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
-22000000 usd
CY2021 us-gaap Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
-136000000 usd
CY2023 us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
94000000 usd
CY2022 us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
204000000 usd
CY2021 us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
343000000 usd
CY2023 us-gaap Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
4000000 usd
CY2022 us-gaap Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
-70000000 usd
CY2021 us-gaap Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
457000000 usd
CY2023 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
130000000 usd
CY2022 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
136000000 usd
CY2021 us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
51000000 usd
CY2023 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
2267000000 usd
CY2022 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
2423000000 usd
CY2021 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
2785000000 usd
CY2023 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
646000000 usd
CY2022 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
943000000 usd
CY2021 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
705000000 usd
CY2023 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-55000000 usd
CY2022 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-38000000 usd
CY2021 us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-33000000 usd
CY2023 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-591000000 usd
CY2022 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-936000000 usd
CY2023 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
152000000 usd
CY2023 us-gaap Payments For Repurchase Of Redeemable Preferred Stock
PaymentsForRepurchaseOfRedeemablePreferredStock
0 usd
CY2023 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
67000000 usd
CY2023Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
8122000000 usd
CY2023Q4 dei Entity Number Of Employees
EntityNumberOfEmployees
28000 employee
CY2022 us-gaap Payments For Repurchase Of Redeemable Preferred Stock
PaymentsForRepurchaseOfRedeemablePreferredStock
0 usd
CY2021 us-gaap Payments For Repurchase Of Redeemable Preferred Stock
PaymentsForRepurchaseOfRedeemablePreferredStock
1343000000 usd
CY2023 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
0 usd
CY2022 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
0 usd
CY2021 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
322000000 usd
CY2023 us-gaap Proceeds From Issuance Of Senior Long Term Debt
ProceedsFromIssuanceOfSeniorLongTermDebt
750000000 usd
CY2022 us-gaap Proceeds From Issuance Of Senior Long Term Debt
ProceedsFromIssuanceOfSeniorLongTermDebt
0 usd
CY2021 us-gaap Proceeds From Issuance Of Senior Long Term Debt
ProceedsFromIssuanceOfSeniorLongTermDebt
1000000000 usd
CY2023 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
0 usd
CY2022 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
1358000000 usd
CY2023 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
3004000000 usd
CY2022 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
5749000000 usd
CY2021 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
5962000000 usd
CY2023 us-gaap Repayments Of Lines Of Credit
RepaymentsOfLinesOfCredit
4868000000 usd
CY2022 us-gaap Repayments Of Lines Of Credit
RepaymentsOfLinesOfCredit
5494000000 usd
CY2021 us-gaap Repayments Of Lines Of Credit
RepaymentsOfLinesOfCredit
5889000000 usd
CY2023 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
34000000 usd
CY2022 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
0 usd
CY2021 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
20000000 usd
CY2023 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-204000000 usd
CY2022 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-166000000 usd
CY2021 us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-130000000 usd
CY2023 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-1504000000 usd
CY2022 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-1509000000 usd
CY2021 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-1470000000 usd
CY2023 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
172000000 usd
CY2022 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-22000000 usd
CY2021 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-64000000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
26000000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
48000000 usd
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
112000000 usd
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
198000000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
26000000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
48000000 usd
CY2020Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
2341000000 usd
CY2021 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
3784000000 usd
CY2021 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
322000000 usd
CY2021 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
20000000 usd
CY2021 us-gaap Preferred Stock Redemption Premium
PreferredStockRedemptionPremium
604000000 usd
CY2021 us-gaap Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments
StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments
-5000000 usd
CY2021 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
62000000 usd
CY2021Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
5774000000 usd
CY2022 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
2588000000 usd
CY2022 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
19000000 usd
CY2022 us-gaap Stock Issued During Period Value Conversion Of Convertible Securities Net Of Adjustments
StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments
-25000000 usd
CY2022 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
240000000 usd
CY2022 us-gaap Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
74000000 usd
CY2022Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
8042000000 usd
CY2023 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
277000000 usd
CY2023 us-gaap Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
153000000 usd
CY2023 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
4 segment
CY2023 us-gaap Number Of Reportable Segments
NumberOfReportableSegments
1 segment
CY2023 us-gaap Use Of Estimates
UseOfEstimates
<div style="margin-bottom:6pt;margin-top:6pt"><span style="color:#535f33;font-family:'Arial Nova',sans-serif;font-size:9pt;font-weight:700;line-height:120%">USE OF ESTIMATES</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Our mineral reserves; future realizable cash flow; environmental, reclamation and closure obligations; valuation of business combinations, goodwill, long-lived assets, inventory, tax assets and post-employment, post-retirement and other employee benefit liabilities; reserves for contingencies and litigation require the use of various management estimates and assumptions. Actual results could differ from estimates. Management reviews its estimates on an ongoing basis. Changes in facts and circumstances may alter such estimates and affect the results of operations and financial position in future periods.</span></div>
CY2022Q4 us-gaap Inventory Supplies Net Of Reserves
InventorySuppliesNetOfReserves
365000000 usd
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
12.75
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
500000 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
9.59
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
600000 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
10.52
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
4000000 usd
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
4000000 usd
CY2023 us-gaap Allowance For Doubtful Accounts Receivable Period Increase Decrease
AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
1000000 usd
CY2022 us-gaap Allowance For Doubtful Accounts Receivable Period Increase Decrease
AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
0 usd
CY2023Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
5000000 usd
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
4000000 usd
CY2023Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
2573000000 usd
CY2022Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
2971000000 usd
CY2023Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
1476000000 usd
CY2022Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
1794000000 usd
CY2023Q4 us-gaap Inventory Finished Goods And Work In Process Net Of Reserves
InventoryFinishedGoodsAndWorkInProcessNetOfReserves
4049000000 usd
CY2022Q4 us-gaap Inventory Finished Goods And Work In Process Net Of Reserves
InventoryFinishedGoodsAndWorkInProcessNetOfReserves
4765000000 usd
CY2023Q4 us-gaap Inventory Supplies Net Of Reserves
InventorySuppliesNetOfReserves
411000000 usd
CY2023Q4 us-gaap Inventory Net
InventoryNet
4460000000 usd
CY2022Q4 us-gaap Inventory Net
InventoryNet
5130000000 usd
CY2023Q4 us-gaap Excess Of Replacement Or Current Costs Over Stated Lifo Value
ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue
131000000 usd
CY2022Q4 us-gaap Excess Of Replacement Or Current Costs Over Stated Lifo Value
ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue
169000000 usd
CY2023Q4 us-gaap Inventory Adjustments
InventoryAdjustments
21000000 usd
CY2022 us-gaap Effect Of Lifo Inventory Liquidation On Income
EffectOfLIFOInventoryLiquidationOnIncome
36000000 usd
CY2023 us-gaap Proceeds From Divestiture Of Businesses
ProceedsFromDivestitureOfBusinesses
35000000 usd
CY2023 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
785000000 usd
CY2022 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
1033000000 usd
CY2021 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
857000000 usd
CY2023 clf Capital Expenditures Incurred But Not Yet Paid Increase Decrease In Period
CapitalExpendituresIncurredButNotYetPaidIncreaseDecreaseInPeriod
-13000000 usd
CY2022 clf Capital Expenditures Incurred But Not Yet Paid Increase Decrease In Period
CapitalExpendituresIncurredButNotYetPaidIncreaseDecreaseInPeriod
35000000 usd
CY2021 clf Capital Expenditures Incurred But Not Yet Paid Increase Decrease In Period
CapitalExpendituresIncurredButNotYetPaidIncreaseDecreaseInPeriod
102000000 usd
CY2023 clf Property Plant And Equipment Financed Purchase
PropertyPlantAndEquipmentFinancedPurchase
59000000 usd
CY2022 clf Property Plant And Equipment Financed Purchase
PropertyPlantAndEquipmentFinancedPurchase
0 usd
CY2021 clf Property Plant And Equipment Financed Purchase
PropertyPlantAndEquipmentFinancedPurchase
0 usd
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
50000000 usd
CY2022 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
943000000 usd
CY2021 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
705000000 usd
CY2023 clf Proceeds From Government Grant Reimbursements
ProceedsFromGovernmentGrantReimbursements
13000000 usd
CY2022 clf Proceeds From Government Grant Reimbursements
ProceedsFromGovernmentGrantReimbursements
27000000 usd
CY2021 clf Proceeds From Government Grant Reimbursements
ProceedsFromGovernmentGrantReimbursements
2000000 usd
CY2023 us-gaap Income Taxes Paid
IncomeTaxesPaid
94000000 usd
CY2022 us-gaap Income Taxes Paid
IncomeTaxesPaid
334000000 usd
CY2021 us-gaap Income Taxes Paid
IncomeTaxesPaid
166000000 usd
CY2023 us-gaap Proceeds From Income Tax Refunds
ProceedsFromIncomeTaxRefunds
205000000 usd
CY2022 us-gaap Proceeds From Income Tax Refunds
ProceedsFromIncomeTaxRefunds
3000000 usd
CY2021 us-gaap Proceeds From Income Tax Refunds
ProceedsFromIncomeTaxRefunds
16000000 usd
CY2023 us-gaap Interest Paid Net
InterestPaidNet
256000000 usd
CY2022 us-gaap Interest Paid Net
InterestPaidNet
249000000 usd
CY2021 us-gaap Interest Paid Net
InterestPaidNet
299000000 usd
CY2023 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
12000000 usd
CY2022 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
9000000 usd
CY2021 us-gaap Interest Costs Capitalized
InterestCostsCapitalized
6000000 usd
CY2023 us-gaap Debt Conversion Converted Instrument Amount1
DebtConversionConvertedInstrumentAmount1
0 usd
CY2022 us-gaap Debt Conversion Converted Instrument Amount1
DebtConversionConvertedInstrumentAmount1
25000000 usd
CY2021 us-gaap Debt Conversion Converted Instrument Amount1
DebtConversionConvertedInstrumentAmount1
0 usd
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
900000 shares
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
13.35
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
1000000 usd
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
3000000 usd
CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P2Y1M6D
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
5000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
600000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
1803000000 usd
CY2021 us-gaap Revenues
Revenues
20444000000 usd
CY2023 us-gaap Revenues
Revenues
21996000000 usd
CY2022 us-gaap Revenues
Revenues
22989000000 usd
CY2021 us-gaap Revenues
Revenues
20444000000 usd
CY2023 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
4 segment
CY2023 us-gaap Number Of Reportable Segments
NumberOfReportableSegments
1 segment
CY2023 us-gaap Revenues
Revenues
21996000000 usd
CY2022 us-gaap Revenues
Revenues
22989000000 usd
CY2021 us-gaap Revenues
Revenues
20444000000 usd
CY2023 clf Adjusted Ebitda Earnings Loss
AdjustedEBITDAEarningsLoss
1911000000 usd
CY2022 clf Adjusted Ebitda Earnings Loss
AdjustedEBITDAEarningsLoss
3169000000 usd
CY2021 clf Adjusted Ebitda Earnings Loss
AdjustedEBITDAEarningsLoss
5277000000 usd
CY2023 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
973000000 usd
CY2022 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
1034000000 usd
CY2021 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
897000000 usd
CY2023 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
785000000 usd
CY2022 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
1033000000 usd
CY2021 us-gaap Segment Expenditure Addition To Long Lived Assets
SegmentExpenditureAdditionToLongLivedAssets
857000000 usd
CY2022Q4 us-gaap Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
0.0544
CY2023Q4 us-gaap Defined Benefit Plan Ultimate Health Care Cost Trend Rate1
DefinedBenefitPlanUltimateHealthCareCostTrendRate1
0.0450
CY2022Q4 us-gaap Defined Benefit Plan Ultimate Health Care Cost Trend Rate1
DefinedBenefitPlanUltimateHealthCareCostTrendRate1
0.0450
CY2023 us-gaap Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
2032
CY2022 us-gaap Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
2030
CY2023Q4 us-gaap Assets
Assets
17537000000 usd
CY2022Q4 us-gaap Assets
Assets
18755000000 usd
CY2023 us-gaap Revenues
Revenues
21996000000 usd
CY2022 us-gaap Revenues
Revenues
22989000000 usd
CY2021 us-gaap Revenues
Revenues
20444000000 usd
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
8895000000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9070000000 usd
CY2021Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9186000000 usd
CY2023Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
12907000000 usd
CY2022Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
12388000000 usd
CY2023Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
4012000000 usd
CY2022Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
3318000000 usd
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
8895000000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9070000000 usd
CY2023Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
306000000 usd
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
408000000 usd
CY2023 us-gaap Depreciation
Depreciation
932000000 usd
CY2022 us-gaap Depreciation
Depreciation
988000000 usd
CY2021 us-gaap Depreciation
Depreciation
848000000 usd
CY2022 us-gaap Asset Impairment Charges
AssetImpairmentCharges
29000000 usd
CY2023Q4 us-gaap Mineral Properties Gross
MineralPropertiesGross
783000000 usd
CY2022Q4 us-gaap Mineral Properties Gross
MineralPropertiesGross
780000000 usd
CY2023Q4 us-gaap Mineral Properties Accumulated Depletion
MineralPropertiesAccumulatedDepletion
258000000 usd
CY2022Q4 us-gaap Mineral Properties Accumulated Depletion
MineralPropertiesAccumulatedDepletion
225000000 usd
CY2023Q4 us-gaap Mineral Properties Net
MineralPropertiesNet
525000000 usd
CY2022Q4 us-gaap Mineral Properties Net
MineralPropertiesNet
555000000 usd
CY2023Q4 us-gaap Land
Land
427000000 usd
CY2022Q4 us-gaap Land
Land
434000000 usd
CY2023 us-gaap Depletion
Depletion
33000000 usd
CY2022 us-gaap Depletion
Depletion
38000000 usd
CY2021 us-gaap Depletion
Depletion
46000000 usd
CY2023Q4 us-gaap Goodwill
Goodwill
1005000000 usd
CY2023 us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
125000000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
13000000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
13000000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
13000000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
13000000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
13000000 usd
CY2023 clf Amortization Of Intangible Liability
AmortizationOfIntangibleLiability
5000000 usd
CY2022 clf Amortization Of Intangible Liability
AmortizationOfIntangibleLiability
5000000 usd
CY2023Q4 clf Finite Lived Intangible Liabilities Amortization Credit Year Five
FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFive
5000000 usd
CY2023Q4 clf Finite Lived Intangible Liabilities Amortization Credit Next Twelve Months
FiniteLivedIntangibleLiabilitiesAmortizationCreditNextTwelveMonths
5000000 usd
CY2023Q4 clf Finite Lived Intangible Liabilities Amortization Credit Year Three
FiniteLivedIntangibleLiabilitiesAmortizationCreditYearThree
5000000 usd
CY2023Q4 clf Finite Lived Intangible Liabilities Amortization Credit Year Four
FiniteLivedIntangibleLiabilitiesAmortizationCreditYearFour
5000000 usd
CY2023Q4 clf Finite Lived Intangible Liabilities Amortization Credit Year Two
FiniteLivedIntangibleLiabilitiesAmortizationCreditYearTwo
5000000 usd
CY2023Q4 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
3192000000 usd
CY2022Q4 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
4306000000 usd
CY2023Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
55000000 usd
CY2022Q4 us-gaap Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
57000000 usd
CY2023Q4 us-gaap Long Term Debt
LongTermDebt
3137000000 usd
CY2022Q4 us-gaap Long Term Debt
LongTermDebt
4249000000 usd
CY2023 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
P1Y8M12D
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
829000000 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
685000000 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
1678000000 usd
CY2023Q4 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
3192000000 usd
CY2023Q4 us-gaap Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
4557000000 usd
CY2022Q4 us-gaap Defined Benefit Plan Accumulated Benefit Obligation
DefinedBenefitPlanAccumulatedBenefitObligation
4628000000 usd
CY2023Q4 us-gaap Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year
DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear
-212000000 usd
CY2022Q4 clf Defined Benefit Plan Service Multiplier
DefinedBenefitPlanServiceMultiplier
115 usd
CY2023Q1 clf Defined Benefit Plan Service Multiplier
DefinedBenefitPlanServiceMultiplier
126 usd
CY2023Q4 us-gaap Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year
DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
0.0549
CY2023 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
59000000 usd
CY2022 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
52000000 usd
CY2021 us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
55000000 usd
CY2023 us-gaap Multiemployer Plan Employer Contribution Cost
MultiemployerPlanEmployerContributionCost
143000000 usd
CY2022 us-gaap Multiemployer Plan Employer Contribution Cost
MultiemployerPlanEmployerContributionCost
115000000 usd
CY2021 us-gaap Multiemployer Plan Employer Contribution Cost
MultiemployerPlanEmployerContributionCost
104000000 usd
CY2022Q4 clf Defined Benefit Plan Service Cost Contribution Per Eligible Hour
DefinedBenefitPlanServiceCostContributionPerEligibleHour
0.50 usd
CY2022Q4 clf Defined Benefit Plan Service Cost Contribution Per Eligible Hour
DefinedBenefitPlanServiceCostContributionPerEligibleHour
4.00 usd
CY2023 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
41000000 usd
CY2022 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
28000000 usd
CY2021 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
18000000 usd
CY2023 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
10000000 usd
CY2022 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
7000000 usd
CY2021 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
4000000 usd
CY2023 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
31000000 usd
CY2022 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
21000000 usd
CY2021 us-gaap Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
14000000 usd
CY2023Q4 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
53000000 usd
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
600000 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
10.39
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
1000000.0 shares
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
12.75
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
2500000 shares
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
11.60
CY2023 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
100000 shares
CY2023 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
10.22
CY2022 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
300000 shares
CY2022 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
16.55
CY2021 us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
1500000 shares
CY2021 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
10.36
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
0 shares
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
21.05
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
100000 shares
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
22.78
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
0 shares
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
36.48
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
500000 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
9.59
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
600000 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
10.39
CY2021Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
1000000.0 shares
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
3827000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
-3000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
-7000000 usd
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
-24000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
597000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
1796000000 usd
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
3803000000 usd
CY2023 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
4000000 usd
CY2022 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
201000000 usd
CY2021 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
14000000 usd
CY2023 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
26000000 usd
CY2022 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
131000000 usd
CY2021 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
55000000 usd
CY2023 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
4000000 usd
CY2022 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
1000000 usd
CY2021 us-gaap Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
0 usd
CY2023 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
34000000 usd
CY2022 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
333000000 usd
CY2021 us-gaap Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
69000000 usd
CY2023 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
97000000 usd
CY2022 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
117000000 usd
CY2021 us-gaap Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
683000000 usd
CY2023 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
7000000 usd
CY2022 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
-22000000 usd
CY2021 us-gaap Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
31000000 usd
CY2023 us-gaap Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
10000000 usd
CY2022 us-gaap Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
-5000000 usd
CY2021 us-gaap Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
-10000000 usd
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
148000000 usd
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
423000000 usd
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
773000000 usd
CY2023 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
125000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2022 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
377000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2021 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
799000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.21
CY2023 us-gaap Income Tax Reconciliation Nondeductible Expense Depletion
IncomeTaxReconciliationNondeductibleExpenseDepletion
-32000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
-0.05
CY2022 us-gaap Income Tax Reconciliation Nondeductible Expense Depletion
IncomeTaxReconciliationNondeductibleExpenseDepletion
-49000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
-0.03
CY2021 us-gaap Income Tax Reconciliation Nondeductible Expense Depletion
IncomeTaxReconciliationNondeductibleExpenseDepletion
-99000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
-0.03
CY2023 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
14000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
0.02
CY2022 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
0 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
0
CY2021 us-gaap Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
0 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
0
CY2023 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
7000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
0.01
CY2022 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
2000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
0
CY2021 us-gaap Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
9000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Contingencies
EffectiveIncomeTaxRateReconciliationTaxContingencies
0
CY2023 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
28000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.05
CY2022 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
71000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.04
CY2021 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
86000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.02
CY2023 us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
-20000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
-0.03
CY2022 us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
27000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
0.01
CY2021 us-gaap Income Tax Reconciliation Prior Year Income Taxes
IncomeTaxReconciliationPriorYearIncomeTaxes
-2000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Prior Year Income Taxes
EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes
0
CY2023 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
11000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.02
CY2022 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
9000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0
CY2021 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
9000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0
CY2023 us-gaap Income Tax Reconciliation Disposition Of Business
IncomeTaxReconciliationDispositionOfBusiness
26000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Disposition Of Business
EffectiveIncomeTaxRateReconciliationDispositionOfBusiness
0.04
CY2022 us-gaap Income Tax Reconciliation Disposition Of Business
IncomeTaxReconciliationDispositionOfBusiness
0 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Disposition Of Business
EffectiveIncomeTaxRateReconciliationDispositionOfBusiness
0
CY2021 us-gaap Income Tax Reconciliation Disposition Of Business
IncomeTaxReconciliationDispositionOfBusiness
0 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Disposition Of Business
EffectiveIncomeTaxRateReconciliationDispositionOfBusiness
0
CY2023 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
11000000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0.02
CY2022 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
4000000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0
CY2021 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-11000000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
148000000 usd
CY2023 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.25
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
423000000 usd
CY2022 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.23
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
773000000 usd
CY2021 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.20
CY2023 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
-10000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
425000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
206000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
47000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
26000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
-21000000 usd
CY2023 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
57000000 usd
CY2022 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-399000000 usd
CY2021 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-227000000 usd
CY2022 us-gaap Lease Cost
LeaseCost
335000000 usd
CY2023Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P8Y
CY2023Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P7Y
CY2023Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.08
CY2023Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.06
CY2023 us-gaap Operating Lease Payments
OperatingLeasePayments
57000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
390000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
389000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
155000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
244000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
67000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations
96000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Inventory
DeferredTaxAssetsInventory
92000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Inventory
DeferredTaxAssetsInventory
54000000 usd
CY2023Q4 us-gaap Deferred Tax Assets State Taxes
DeferredTaxAssetsStateTaxes
9000000 usd
CY2022Q4 us-gaap Deferred Tax Assets State Taxes
DeferredTaxAssetsStateTaxes
14000000 usd
CY2023Q4 clf Deferred Tax Assets Lease Liabilities
DeferredTaxAssetsLeaseLiabilities
79000000 usd
CY2022Q4 clf Deferred Tax Assets Lease Liabilities
DeferredTaxAssetsLeaseLiabilities
62000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
180000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther
135000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
972000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
994000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
396000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
390000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
576000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Net
DeferredTaxAssetsNet
604000000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
192000000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
195000000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Leasing Arrangements
DeferredTaxLiabilitiesLeasingArrangements
79000000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Leasing Arrangements
DeferredTaxLiabilitiesLeasingArrangements
38000000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
837000000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
827000000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
103000000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
122000000 usd
CY2023Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
1211000000 usd
CY2022Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
1182000000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
635000000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
578000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
1704000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
1452000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
2278000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
1444000000 usd
CY2023Q4 us-gaap Deferred Tax Asset Interest Carryforward
DeferredTaxAssetInterestCarryforward
0 usd
CY2022Q4 us-gaap Deferred Tax Asset Interest Carryforward
DeferredTaxAssetInterestCarryforward
77000000 usd
CY2022 us-gaap Operating Lease Payments
OperatingLeasePayments
62000000 usd
CY2021 us-gaap Operating Lease Payments
OperatingLeasePayments
70000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
390000000 usd
CY2021Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
409000000 usd
CY2020Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
836000000 usd
CY2023Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
396000000 usd
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
390000000 usd
CY2021Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
409000000 usd
CY2023 us-gaap Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
14000000 usd
CY2023Q4 us-gaap Undistributed Earnings Of Foreign Subsidiaries
UndistributedEarningsOfForeignSubsidiaries
0 usd
CY2022Q4 us-gaap Undistributed Earnings Of Foreign Subsidiaries
UndistributedEarningsOfForeignSubsidiaries
0 usd
CY2022Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
58000000 usd
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
35000000 usd
CY2020Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
107000000 usd
CY2023 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
18000000 usd
CY2022 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
24000000 usd
CY2021 us-gaap Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
4000000 usd
CY2023 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
0 usd
CY2022 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
1000000 usd
CY2021 us-gaap Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
66000000 usd
CY2023 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
0 usd
CY2022 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
0 usd
CY2021 us-gaap Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
10000000 usd
CY2023Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
76000000 usd
CY2022Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
58000000 usd
CY2021Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
35000000 usd
CY2023 us-gaap Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
8000000 usd
CY2023 us-gaap Operating Lease Cost
OperatingLeaseCost
59000000 usd
CY2022 us-gaap Operating Lease Cost
OperatingLeaseCost
64000000 usd
CY2023 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
92000000 usd
CY2022 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
103000000 usd
CY2023 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
11000000 usd
CY2022 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
8000000 usd
CY2023 us-gaap Short Term Lease Cost
ShortTermLeaseCost
171000000 usd
CY2022 us-gaap Short Term Lease Cost
ShortTermLeaseCost
160000000 usd
CY2023 us-gaap Lease Cost
LeaseCost
333000000 usd
CY2023 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
11000000 usd
CY2022 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
8000000 usd
CY2021 us-gaap Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
9000000 usd
CY2023 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
92000000 usd
CY2022 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
96000000 usd
CY2021 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
94000000 usd
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
93000000 usd
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
55000000 usd
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
50000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Next Rolling Twelve Months
FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths
53000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
56000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Rolling Year Two
FinanceLeaseLiabilityPaymentsDueInRollingYearTwo
49000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Two
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
49000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Rolling Year Three
FinanceLeaseLiabilityPaymentsDueInRollingYearThree
39000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Three
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
42000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Rolling Year Four
FinanceLeaseLiabilityPaymentsDueInRollingYearFour
27000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Four
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour
38000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Rolling Year Five
FinanceLeaseLiabilityPaymentsDueInRollingYearFive
25000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Five
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive
29000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due In Rolling After Year Five
FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive
74000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due After Rolling Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive
117000000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due
FinanceLeaseLiabilityPaymentsDue
267000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
331000000 usd
CY2023Q4 us-gaap Finance Lease Liability Undiscounted Excess Amount
FinanceLeaseLiabilityUndiscountedExcessAmount
52000000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
93000000 usd
CY2023Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
215000000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
238000000 usd
CY2023Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
49000000 usd
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
41000000 usd
CY2023Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
166000000 usd
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
197000000 usd
CY2023Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
459000000 usd
CY2022Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
520000000 usd
CY2023Q4 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
15000000 usd
CY2022Q4 us-gaap Asset Retirement Obligation Current
AssetRetirementObligationCurrent
21000000 usd
CY2023Q4 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
444000000 usd
CY2022Q4 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
499000000 usd
CY2022Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
520000000 usd
CY2021Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
449000000 usd
CY2023 clf Asset Retirement Obligation Decrease From Sale Of Business
AssetRetirementObligationDecreaseFromSaleOfBusiness
76000000 usd
CY2022 clf Asset Retirement Obligation Decrease From Sale Of Business
AssetRetirementObligationDecreaseFromSaleOfBusiness
0 usd
CY2023 clf Asset Retirement Obligation Reclassification
AssetRetirementObligationReclassification
0 usd
CY2022 clf Asset Retirement Obligation Reclassification
AssetRetirementObligationReclassification
63000000 usd
CY2023 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
26000000 usd
CY2022 us-gaap Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
26000000 usd
CY2023 us-gaap Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
21000000 usd
CY2022 us-gaap Asset Retirement Obligation Liabilities Settled
AssetRetirementObligationLiabilitiesSettled
40000000 usd
CY2023 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
-10000000 usd
CY2022 us-gaap Asset Retirement Obligation Revision Of Estimate
AssetRetirementObligationRevisionOfEstimate
-22000000 usd
CY2023Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
459000000 usd
CY2022Q4 us-gaap Asset Retirement Obligation
AssetRetirementObligation
520000000 usd
CY2023 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
449000000 usd
CY2022 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
1373000000 usd
CY2021 us-gaap Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
3030000000 usd
CY2023 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
51000000 usd
CY2022 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
41000000 usd
CY2023 us-gaap Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimated Net Amount To Be Transferred
DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred
155000000 usd
CY2022Q1 us-gaap Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
1000000000 usd
CY2023Q4 us-gaap Stock Repurchase Program Remaining Authorized Repurchase Amount1
StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
608000000 usd
CY2021Q1 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
20000000 shares
CY2021Q1 clf Common Stock Shares Sold
CommonStockSharesSold
40000000 shares
CY2021Q1 us-gaap Shares Issued Price Per Share
SharesIssuedPricePerShare
16.12
CY2020Q4 us-gaap Temporary Equity Shares Issued
TemporaryEquitySharesIssued
583273 shares
CY2020Q4 us-gaap Temporary Equity Shares Outstanding
TemporaryEquitySharesOutstanding
583273 shares
CY2021Q1 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
600000000 shares
CY2021Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
1200000000 shares
CY2023Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
1657000000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
1830000000 usd
CY2021Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
618000000 usd
CY2021 us-gaap Net Income Loss Attributable To Noncontrolling Interest
NetIncomeLossAttributableToNoncontrollingInterest
45000000 usd
CY2023 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
398000000 usd
CY2022 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
1332000000 usd
CY2021 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
2985000000 usd
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
1000000 usd
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
3000000 usd
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity
IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
3000000 usd
CY2023 us-gaap Net Income Loss
NetIncomeLoss
399000000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
1335000000 usd
CY2021 us-gaap Net Income Loss
NetIncomeLoss
2988000000 usd
CY2023 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
510000000 shares
CY2022 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
519000000 shares
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
498000000 shares
CY2023 us-gaap Incremental Common Shares Attributable To Conversion Of Preferred Stock
IncrementalCommonSharesAttributableToConversionOfPreferredStock
0 shares
CY2022 us-gaap Incremental Common Shares Attributable To Conversion Of Preferred Stock
IncrementalCommonSharesAttributableToConversionOfPreferredStock
0 shares
CY2021 us-gaap Incremental Common Shares Attributable To Conversion Of Preferred Stock
IncrementalCommonSharesAttributableToConversionOfPreferredStock
33000000 shares
CY2023 us-gaap Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
0 shares
CY2022 us-gaap Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
2000000 shares
CY2021 us-gaap Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
22000000 shares
CY2023 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
CY2022 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
3000000 shares
CY2021 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
5000000 shares
CY2023 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
511000000 shares
CY2022 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
524000000 shares
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
558000000 shares
CY2023 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
0.78
CY2022 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
2.57
CY2021 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
5.62
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
0.01
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.78
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.57
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
5.63
CY2023 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
0.78
CY2022 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
2.55
CY2021 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
5.35
CY2023 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0
CY2022 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0
CY2021 us-gaap Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
0.01
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.78
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.55
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
5.36
CY2021 us-gaap Undistributed Earnings Loss Allocated To Participating Securities Basic
UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
187000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On First Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
2984000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
1707000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
1133000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
1025000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary
UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
929000000 usd
CY2023Q4 us-gaap Unrecorded Unconditional Purchase Obligation Due After Five Years
UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
5365000000 usd
CY2023 clf Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag
Environmental obligations
CY2023Q4 us-gaap Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
134000000 usd
CY2022Q4 us-gaap Accrual For Environmental Loss Contingencies
AccrualForEnvironmentalLossContingencies
141000000 usd
CY2023 clf Environmental Loss Contingency Current Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag
Less: current portion
CY2023Q4 us-gaap Accrued Environmental Loss Contingencies Current
AccruedEnvironmentalLossContingenciesCurrent
21000000 usd
CY2022Q4 us-gaap Accrued Environmental Loss Contingencies Current
AccruedEnvironmentalLossContingenciesCurrent
23000000 usd
CY2023 clf Environmental Loss Contingency Noncurrent Statement Of Financial Position Extensible Enumeration Not Disclosed Flag
EnvironmentalLossContingencyNoncurrentStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag
Long-term environmental obligations
CY2023Q4 us-gaap Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
113000000 usd
CY2022Q4 us-gaap Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
118000000 usd
CY2023 dei Auditor Name
AuditorName
Deloitte & Touche LLP
CY2023 dei Auditor Firm
AuditorFirmId
34
CY2023 dei Auditor Location
AuditorLocation
Cleveland, Ohio
CY2023Q4 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
CY2023Q4 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false

Files In Submission

Name View Source Status
0000764065-24-000038-index-headers.html Edgar Link pending
0000764065-24-000038-index.html Edgar Link pending
0000764065-24-000038.txt Edgar Link pending
0000764065-24-000038-xbrl.zip Edgar Link pending
clf-20231231.htm Edgar Link pending
clf-20231231.xsd Edgar Link pending
clf-2023123110xkex1042.htm Edgar Link pending
clf-2023123110xkex21.htm Edgar Link pending
clf-2023123110xkex22.htm Edgar Link pending
clf-2023123110xkex231.htm Edgar Link pending
clf-2023123110xkex232.htm Edgar Link pending
clf-2023123110xkex233.htm Edgar Link pending
clf-2023123110xkex234.htm Edgar Link pending
clf-2023123110xkex235.htm Edgar Link pending
clf-2023123110xkex236.htm Edgar Link pending
clf-2023123110xkex24.htm Edgar Link pending
clf-2023123110xkex311.htm Edgar Link pending
clf-2023123110xkex312.htm Edgar Link pending
clf-2023123110xkex321.htm Edgar Link pending
clf-2023123110xkex322.htm Edgar Link pending
clf-2023123110xkex95.htm Edgar Link pending
clf-2023123110xkex97.htm Edgar Link pending
clf-20231231_cal.xml Edgar Link unprocessable
clf-20231231_def.xml Edgar Link unprocessable
clf-20231231_g1.jpg Edgar Link pending
clf-20231231_g10.jpg Edgar Link pending
clf-20231231_g11.jpg Edgar Link pending
clf-20231231_g12.jpg Edgar Link pending
clf-20231231_g13.jpg Edgar Link pending
clf-20231231_g14.jpg Edgar Link pending
clf-20231231_g15.jpg Edgar Link pending
clf-20231231_g16.jpg Edgar Link pending
clf-20231231_g17.jpg Edgar Link pending
clf-20231231_g18.jpg Edgar Link pending
clf-20231231_g2.jpg Edgar Link pending
clf-20231231_g3.jpg Edgar Link pending
clf-20231231_g4.jpg Edgar Link pending
clf-20231231_g5.jpg Edgar Link pending
clf-20231231_g6.jpg Edgar Link pending
clf-20231231_g7.jpg Edgar Link pending
clf-20231231_g8.jpg Edgar Link pending
clf-20231231_g9.jpg Edgar Link pending
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
R13.htm Edgar Link pending
R14.htm Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
clf-20231231_htm.xml Edgar Link completed
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
report.css Edgar Link pending
Show.js Edgar Link pending
slr.jpg Edgar Link pending
slr1.jpg Edgar Link pending
slr2.jpg Edgar Link pending
slr3.jpg Edgar Link pending
slr4.jpg Edgar Link pending
clf-20231231_lab.xml Edgar Link unprocessable
clf-20231231_pre.xml Edgar Link unprocessable