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Goodwill and Other Intangibles - Changes in Goodwill (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2024 | Dec. 31, 2023
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | $ 5,079 | $ 1,650
Goodwill resulted from the acquisition of Vivint |  |  | 3,494
Impairment |  | (15) |
Asset sales/Sale of Airtron |  |  | (69)
Foreign currency translation adjustments |  | (10) | 4
Goodwill, Ending Balance |  | 5,011 | 5,079
Airtron |  |  |
Goodwill [Roll Forward] |  |  |
Asset sales/Sale of Airtron |  | (43) |
Texas |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 643 | 710
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment |  | 0 |
Asset sales/Sale of Airtron |  |  | (67)
Foreign currency translation adjustments |  | 0 | 0
Goodwill, Ending Balance |  | 643 | 643
Texas | Airtron |  |  |
Goodwill [Roll Forward] |  |  |
Asset sales/Sale of Airtron |  | 0 |
East |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 721 | 723
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment | $ (130) | 0 |
Asset sales/Sale of Airtron |  |  | (2)
Foreign currency translation adjustments |  | 0 | 0
Goodwill, Ending Balance |  | 721 | 721
East | Airtron |  |  |
Goodwill [Roll Forward] |  |  |
Asset sales/Sale of Airtron |  | 0 |
West/Services/Other |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 221 | 217
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment |  | (15) |
Asset sales/Sale of Airtron |  |  | 0
Foreign currency translation adjustments |  | (10) | 4
Goodwill, Ending Balance |  | 153 | 221
West/Services/Other | Airtron |  |  |
Goodwill [Roll Forward] |  |  |
Asset sales/Sale of Airtron |  | (43) |
Vivint Smart Home |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 3,494 | 0
Goodwill resulted from the acquisition of Vivint |  |  | 3,494
Impairment |  | 0 |
Asset sales/Sale of Airtron |  | 0 |
Foreign currency translation adjustments |  | 0 |
Goodwill, Ending Balance |  | 3,494 | $ 3,494
Vivint Smart Home | Airtron |  |  |
Goodwill [Roll Forward] |  |  |
Asset sales/Sale of Airtron |  | $ 0 |

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