XML 86 R75.htm IDEA: XBRL DOCUMENT
v3.22.2

Subsequent Events (Details) - USD ($) shares in Millions, $ in Millions |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Aug. 01, 2022 | Jul. 29, 2022 | Jun. 30, 2022 | Jun. 30, 2021 | Jul. 25, 2022
Subsequent Event [Line Items] |  |  |  |  |
Repayments of long-term debt |  |  | $ 1,532 | $ 2,464 |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Distribution received (in shares) |  | 11.5 |  |  |
Distribution received, fair value |  | $ 140 |  |  |
Subsequent Event | Level 3 Parent, LLC |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repurchase amount |  |  |  |  | $ 1,575
Subsequent Event | Level 3 Financing, Inc. | Tranche B 2027 Term Loan | Term loan |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Repayments of long-term debt | $ 700 |  |  |  |
Subsequent Event | Disposal Group, Held-for-sale, Not Discontinued Operations | Latin American Business | Level 3 Parent, LLC |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Cash consideration from disposal of business | $ 2,700 |  |  |  |

X
- Definition Distribution Made To Limited Partner, Unit Distribution, Fair Value + References No definition available. + Details
Name: | lumn_DistributionMadeToLimitedPartnerUnitDistributionFairValue
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value amount of debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of units distributed for payment of a unit distribution to unit-holder of limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_DistributionMadeToLimitedPartnerUnitDistribution
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lumn_Level3ParentLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=lumn_Level3FinancingInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lumn_TrancheB2027TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=lumn_LatinAmericanBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |