XML 58 R45.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Revenue Recognition - Capitalized Contract Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2022
Acquisition Costs |  |  |  |  |  |
Capitalized Contract Cost [Roll Forward] |  |  |  |  |  |
Beginning of period balance | $ 182 | $ 192 | $ 202 | $ 182 | $ 202 |
Costs incurred | 35 | 29 |  | 68 | 65 |
Amortization | (32) | (39) |  | (65) | (80) |
Change in contract costs held for sale | 0 | 1 |  | 0 | (4) |
End of period balance | 185 | 183 | 192 | 185 | 183 | $ 202
Acquisition Costs | Held-for-sale | EMEA Business |  |  |  |  |  |
Capitalized Contract Cost [Roll Forward] |  |  |  |  |  |
Classified as held for sale |  | 10 | 11 |  | 10 | 6
Fulfillment Costs |  |  |  |  |  |
Capitalized Contract Cost [Roll Forward] |  |  |  |  |  |
Beginning of period balance | 189 | 182 | 192 | 184 | 192 |
Costs incurred | 49 | 39 |  | 85 | 79 |
Amortization | (34) | (36) |  | (65) | (71) |
Change in contract costs held for sale | 0 | 1 |  | 0 | (14) |
End of period balance | $ 204 | 186 | 182 | $ 204 | 186 | 192
Fulfillment Costs | Held-for-sale | EMEA Business |  |  |  |  |  |
Capitalized Contract Cost [Roll Forward] |  |  |  |  |  |
Classified as held for sale |  | $ 14 | $ 15 |  | $ 14 | $ 0

X
- Definition Capitalized Contract Cost, Change In Contract Costs Held For Sale + References No definition available. + Details
Name: | lumn_CapitalizedContractCostChangeInContractCostsHeldForSale
Namespace Prefix: | lumn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + 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 -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + 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: |