XML 117 R78.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Long-Term Debt and Credit Facilities - Long-Term Debt Maturities (Details) $ in Millions | Dec. 31, 2024 USD ($)
--- | ---
Debt Disclosure [Abstract] |
2025 | $ 412
2026 | 96
2027 | 250
2028 | 738
2029 | 7,203
2030 and thereafter | 9,819
Total long-term debt | $ 18,518

X
- Definition Long-Term Debt And Lease Obligation, Maturity, After Year Five + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityAfterYearFive
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt And Lease Obligation, Maturity, Year Five + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityYearFive
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt And Lease Obligation, Maturity, Year Four + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityYearFour
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt And Lease Obligation, Maturity, Year One + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityYearOne
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt And Lease Obligation, Maturity, Year Three + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityYearThree
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-Term Debt And Lease Obligation, Maturity, Year Two + References No definition available. + Details
Name: | lumn_LongTermDebtAndLeaseObligationMaturityYearTwo
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of long-term debt and lease obligation, including portion classified as current. + References No definition available. + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant