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v3.24.0.1

Background and Summary of Significant Accounting Policies - Correction of Immaterial Errors (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Jan. 01, 2021
--- | --- | --- | ---
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Accounts receivable, less allowance of $34 and $36 | $ 261 | $ 347 |
Assets | 16,337 | 18,956 |
Accounts payable | 362 | 231 |
Retained earnings | 706 | 3,517 |
Affiliated Entity |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Advances to affiliates | $ 0 | 569 |
Correction of Error from Understatement of Revenues and Network Expenses Prior to 2021 |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Accounts receivable, less allowance of $34 and $36 |  | 38 |
Assets |  | 31 |
Liabilities |  | 18 |
Retained earnings |  |  | $ 13
Correction of Error from Understatement of Revenues and Network Expenses Prior to 2021 | Affiliated Entity |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Advances to affiliates |  | $ (7) |

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