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v3.24.1.u1

Background (Details) | 3 Months Ended | 24 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) divestiture | Jan. 01, 2024 | Mar. 31, 2023 USD ($) | Jan. 01, 2023 USD ($) | Oct. 03, 2022 state
Change in Accounting Estimate [Line Items] |  |  |  |  |  |
Number of business divestitures | divestiture |  | 3 |  |  |  |
Accumulated deficit | $ (17,850,000,000) | $ (17,907,000,000) |  |  |  |
Book overdraft balance | 0 | $ 0 |  |  |  |
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations | ILEC Business |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |
Number of states in which the business is conducted | state |  |  |  |  |  | 20
Change in Accounting Method Accounted for as Change in Estimate |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |
Depreciation | (16,000,000) |  |  |  |  |
Depreciation, net of tax | $ (12,000,000) |  |  |  |  |
Diluted earnings per common share (in dollars per share) | $ / shares | $ 0.01 |  |  |  |  |
Fiber Network Assets |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |
Property, plant and equipment,useful life (in years) |  | 25 years | 30 years |  |  |
Correction of Error from Understatement of Revenues and Network Expenses Prior to 2021 |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |
Accumulated deficit |  |  |  | $ (63,000,000) | $ (63,000,000) |

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