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Acquisitions and Dispositions - Acquisitions Narrative (Details) $ / shares in Units, customer in Millions, $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 10, 2023 USD ($) customer $ / shares | Mar. 31, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Business Acquisition [Line Items] |  |  |  |
Proceeds from issuance of preferred stock, net of fees |  |  | $ 0 | $ 635
Issuance of Series A Preferred Stock |  | $ 636 |  |
Proceeds from credit facilities |  |  | $ 1,050 | 3,020
Vivint Smart Home |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Customers added (nearly) | customer | 2 |  |  |
Acquisition, share price (in usd per share) | $ / shares | $ 12 |  |  |
Cash paid to acquire business | $ 2,609 |  |  |
Consideration | 2,623 |  |  |
Acquisition costs |  |  |  | $ 38
Vivint Smart Home | Revolving Credit Facility |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Proceeds from credit facilities | 900 |  |  |
Vivint Smart Home | Series A Preferred Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Proceeds from issuance of preferred stock, net of fees | 635 |  |  |
Issuance of Series A Preferred Stock | $ 650 |  |  |
Preferred stock, dividend rate, percentage | 10.25% |  |  |
Vivint Smart Home | Senior Secured First Lien Notes, due 2033 | Senior Notes |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Proceeds from issuance of senior notes | $ 724 |  |  |
Debt issuance amount | $ 740 |  |  |
Interest rate, stated percentage | 7.00% |  |  |

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