XML 76 R89.htm IDEA: XBRL DOCUMENT
v3.19.3

SUPPLEMENTARY GUARANTOR INFORMATION (Supplementary Statements of Condensed Consolidating Cash Flows) (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Net cash provided (used) by operating activities | $ 388.1 | $ 188.7 |  |
Purchase of property, plant and equipment | (447.9) | (111.4) |  |
Deposits for property, plant and equipment | (12.8) | (83.3) |  |
Intercompany investing | 0.0 | 0.0 |  |
Other investing activities | 11.2 | 21.0 |  |
Net cash provided (used) by investing activities | (449.5) | (173.7) |  |
Repurchase of common shares | (252.9) | 0.0 |  |
Dividends paid | (45.1) | 0.0 |  |
Proceeds from issuance of debt | 720.9 | 0.0 |  |
Debt issuance costs | (6.8) | (1.5) |  |
Repurchase of debt | (729.3) | (16.3) |  |
Distributions of partnership equity | (44.2) | (44.2) |  |
Intercompany financing | 0.0 | 0.0 |  |
Other financing activities | (9.5) | (45.7) |  |
Net cash provided (used) by financing activities | (366.9) | (107.7) |  |
EFFECT OF EXCHANGE RATE CHANGES ON CASH | 0.0 | (2.3) |  |
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN OTHER CURRENT ASSETS RELATED TO DISCONTINUED OPERATIONS | (428.3) | (95.0) |  |
LESS: DECREASE IN CASH AND CASH EQUIVALENTS FROM DISCONTINUED OPERATIONS, CLASSIFIED WITHIN OTHER CURRENT ASSETS | (4.4) | (13.8) |  |
NET DECREASE IN CASH AND CASH EQUIVALENTS | (423.9) | (81.2) |  |
Cash and cash equivalents | 399.3 | 897.1 | $ 823.2 | $ 978.3
Reportable Legal Entities [Member] | Cliffs Shareholders Equity [Member] |  |  |  |
Net cash provided (used) by operating activities | (11.0) | (100.6) |  |
Purchase of property, plant and equipment | (1.2) | (1.1) |  |
Deposits for property, plant and equipment | 0.0 | 0.0 |  |
Intercompany investing | (83.6) | 185.7 |  |
Other investing activities | 0.0 | 0.0 |  |
Net cash provided (used) by investing activities | (84.8) | 184.6 |  |
Repurchase of common shares | (252.9) |  |  |
Dividends paid | (45.1) |  |  |
Proceeds from issuance of debt | 720.9 |  |  |
Debt issuance costs | (6.8) | (1.5) |  |
Repurchase of debt | (729.3) | (16.3) |  |
Distributions of partnership equity | 0.0 | 0.0 |  |
Intercompany financing | 0.0 | (120.7) |  |
Other financing activities | (14.6) | (1.9) |  |
Net cash provided (used) by financing activities | (327.8) | (140.4) |  |
EFFECT OF EXCHANGE RATE CHANGES ON CASH |  | 0.0 |  |
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN OTHER CURRENT ASSETS RELATED TO DISCONTINUED OPERATIONS | (423.6) | (56.4) |  |
LESS: DECREASE IN CASH AND CASH EQUIVALENTS FROM DISCONTINUED OPERATIONS, CLASSIFIED WITHIN OTHER CURRENT ASSETS | 0.0 | 0.0 |  |
NET DECREASE IN CASH AND CASH EQUIVALENTS | (423.6) | (56.4) |  |
Cash and cash equivalents | 396.2 | 892.5 | 819.8 | 948.9
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |  |  |
Net cash provided (used) by operating activities | 402.8 | 425.6 |  |
Purchase of property, plant and equipment | (446.7) | (110.2) |  |
Deposits for property, plant and equipment | (12.3) | (78.1) |  |
Intercompany investing | (1.2) | (6.3) |  |
Other investing activities | 10.4 | 3.1 |  |
Net cash provided (used) by investing activities | (449.8) | (191.5) |  |
Repurchase of common shares | 0.0 |  |  |
Dividends paid | 0.0 |  |  |
Proceeds from issuance of debt | 0.0 |  |  |
Debt issuance costs | 0.0 | 0.0 |  |
Repurchase of debt | 0.0 | 0.0 |  |
Distributions of partnership equity | (44.2) | (44.2) |  |
Intercompany financing | 83.1 | (188.6) |  |
Other financing activities | 7.8 | (1.5) |  |
Net cash provided (used) by financing activities | 46.7 | (234.3) |  |
EFFECT OF EXCHANGE RATE CHANGES ON CASH |  | 0.0 |  |
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN OTHER CURRENT ASSETS RELATED TO DISCONTINUED OPERATIONS | (0.3) | (0.2) |  |
LESS: DECREASE IN CASH AND CASH EQUIVALENTS FROM DISCONTINUED OPERATIONS, CLASSIFIED WITHIN OTHER CURRENT ASSETS | 0.0 | 0.0 |  |
NET DECREASE IN CASH AND CASH EQUIVALENTS | (0.3) | (0.2) |  |
Cash and cash equivalents | 0.4 | 1.9 | 0.7 | 2.1
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member] |  |  |  |
Net cash provided (used) by operating activities | (3.7) | (136.3) |  |
Purchase of property, plant and equipment | 0.0 | (0.1) |  |
Deposits for property, plant and equipment | (0.5) | (5.2) |  |
Intercompany investing | 0.0 | 120.7 |  |
Other investing activities | 0.8 | 17.9 |  |
Net cash provided (used) by investing activities | 0.3 | 133.3 |  |
Repurchase of common shares | 0.0 |  |  |
Dividends paid | 0.0 |  |  |
Proceeds from issuance of debt | 0.0 |  |  |
Debt issuance costs | 0.0 | 0.0 |  |
Repurchase of debt | 0.0 | 0.0 |  |
Distributions of partnership equity | 0.0 | 0.0 |  |
Intercompany financing | 1.7 | 9.2 |  |
Other financing activities | (2.7) | (42.3) |  |
Net cash provided (used) by financing activities | (1.0) | (33.1) |  |
EFFECT OF EXCHANGE RATE CHANGES ON CASH |  | (2.3) |  |
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN OTHER CURRENT ASSETS RELATED TO DISCONTINUED OPERATIONS | (4.4) | (38.4) |  |
LESS: DECREASE IN CASH AND CASH EQUIVALENTS FROM DISCONTINUED OPERATIONS, CLASSIFIED WITHIN OTHER CURRENT ASSETS | (4.4) | (13.8) |  |
NET DECREASE IN CASH AND CASH EQUIVALENTS | 0.0 | (24.6) |  |
Cash and cash equivalents | 2.7 | 2.7 | 2.7 | 27.3
Consolidation, Eliminations [Member] |  |  |  |
Net cash provided (used) by operating activities | 0.0 | 0.0 |  |
Purchase of property, plant and equipment | 0.0 | 0.0 |  |
Deposits for property, plant and equipment | 0.0 | 0.0 |  |
Intercompany investing | 84.8 | (300.1) |  |
Other investing activities | 0.0 | 0.0 |  |
Net cash provided (used) by investing activities | 84.8 | (300.1) |  |
Repurchase of common shares | 0.0 |  |  |
Dividends paid | 0.0 |  |  |
Proceeds from issuance of debt | 0.0 |  |  |
Debt issuance costs | 0.0 | 0.0 |  |
Repurchase of debt | 0.0 | 0.0 |  |
Distributions of partnership equity | 0.0 | 0.0 |  |
Intercompany financing | (84.8) | 300.1 |  |
Other financing activities | 0.0 | 0.0 |  |
Net cash provided (used) by financing activities | (84.8) | 300.1 |  |
EFFECT OF EXCHANGE RATE CHANGES ON CASH |  | 0.0 |  |
DECREASE IN CASH AND CASH EQUIVALENTS, INCLUDING CASH CLASSIFIED WITHIN OTHER CURRENT ASSETS RELATED TO DISCONTINUED OPERATIONS | 0.0 | 0.0 |  |
LESS: DECREASE IN CASH AND CASH EQUIVALENTS FROM DISCONTINUED OPERATIONS, CLASSIFIED WITHIN OTHER CURRENT ASSETS | 0.0 | 0.0 |  |
NET DECREASE IN CASH AND CASH EQUIVALENTS | 0.0 | 0.0 |  |
Cash and cash equivalents | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

X
- Definition Increase/Decrease in Cash and Cash Equivalents, Including Cash Classified Within Other Current Assets Related to Discontinued Operations + References No definition available. + Details
Name: | clf_IncreaseDecreaseinCashandCashEquivalentsIncludingCashClassifiedWithinOtherCurrentAssetsRelatedtoDiscontinuedOperations
Namespace Prefix: | clf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Intercompany financing + References No definition available. + Details
Name: | clf_Intercompanyfinancing
Namespace Prefix: | clf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Intercompany investments + References No definition available. + Details
Name: | clf_Intercompanyinvestments
Namespace Prefix: | clf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments for Deposits On Property, Plant and Equipment + References No definition available. + Details
Name: | clf_PaymentsforDepositsOnPropertyPlantandEquipment
Namespace Prefix: | clf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 + Details
Name: | us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (decrease) in cash associated with the entity's discontinued operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDistributionsToAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_ParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |