XML 101 R68.htm IDEA: XBRL DOCUMENT
v3.22.4

Revenue Recognition - Capitalized Contract Costs (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Acquisition Costs |  |
Capitalized Contract Cost [Roll Forward] |  |
Beginning of period balance | $ 222 | $ 289
Costs incurred | 172 | 176
Amortization | (192) | (209)
Classified as held for sale | 0 | (34)
End of period balance | 202 | 222
Acquisition Costs | Discontinued Operations, Held-for-sale | EMEA Business |  |
Capitalized Contract Cost [Roll Forward] |  |
Classified as held for sale | (6) |
Fulfillment Costs |  |
Capitalized Contract Cost [Roll Forward] |  |
Beginning of period balance | 186 | 216
Costs incurred | 158 | 151
Amortization | (149) | (149)
Classified as held for sale | (3) | (32)
End of period balance | 192 | $ 186
Fulfillment Costs | Discontinued Operations, Held-for-sale | EMEA Business |  |
Capitalized Contract Cost [Roll Forward] |  |
Classified as held for sale | $ 0 |

X
- Definition Capitalized Contract Cost, Incurred + References No definition available. + Details
Name: | lumn_CapitalizedContractCostIncurred
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Capitalized Contract Cost, Reclassification + References No definition available. + Details
Name: | lumn_CapitalizedContractCostReclassification
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Capitalized Contract Cost [Roll Forward] + References No definition available. + Details
Name: | lumn_CapitalizedContractCostRollForward
Namespace Prefix: | lumn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
Name: | us-gaap_CapitalizedContractCostNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CapitalizedContractCostAxis=lumn_ContractAcquisitionCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_CapitalizedContractCostAxis=lumn_ContractFulfillmentCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |