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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, 2023 | Dec. 31, 2022
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | $ 1,650 | $ 1,795
Goodwill resulted from the acquisition of Vivint |  | 3,494 |
Impairment losses | $ (130) |  | (130)
Asset sales |  | (69) | (6)
Foreign currency translation |  | 4 | (9)
Goodwill, Ending Balance |  | 5,079 | 1,650
Texas |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 710 | 716
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment losses |  |  | 0
Asset sales |  | (67) | (6)
Foreign currency translation |  | 0 | 0
Goodwill, Ending Balance |  | 643 | 710
East |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 723 | 853
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment losses |  |  | (130)
Asset sales |  | (2) | 0
Foreign currency translation |  | 0 | 0
Goodwill, Ending Balance |  | 721 | 723
West/Services/Other |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 217 | 226
Goodwill resulted from the acquisition of Vivint |  | 0 |
Impairment losses |  |  | 0
Asset sales |  | 0 | 0
Foreign currency translation |  | 4 | (9)
Goodwill, Ending Balance |  | 221 | 217
Vivint Smart Home |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, Beginning Balance |  | 0 | 0
Goodwill resulted from the acquisition of Vivint |  | 3,494 |
Goodwill, Ending Balance |  | $ 3,494 | $ 0

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