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Stock-Based Compensation - Vivint Long-Term Incentive Plan Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Vivint LTIP |  |  |
Stock-Based Compensation |  |  |
Number of shares authorized for issuance under plan (in shares) | 17,500,000 | 17,500,000 |
Number of shares available for grant under plan (in shares) | 12,557,143 | 12,749,736 |
Restricted Stock Units |  |  |
Stock-Based Compensation |  |  |
Award vesting period | 3 years |  |
Vested in period, fair value | $ 47 | $ 20 | $ 10
Granted (in usd per share) | $ 51.89 | $ 35.71 | $ 41.26
Vested (in shares) | 525,470 |  |
Restricted Stock Units | Vivint LTIP |  |  |
Stock-Based Compensation |  |  |
Award vesting period | 4 years |  |
Vested in period, fair value | $ 159 | $ 66 |
Restricted Stock Units - after Acquisition | Vivint LTIP |  |  |
Stock-Based Compensation |  |  |
Granted (in usd per share) | $ 56.02 | $ 35.24 |
Vested (in shares) | 318,774 |  |
RPSUs |  |  |
Stock-Based Compensation |  |  |
Award vesting period | 3 years |  |
Granted (in usd per share) | $ 62.48 | 39.46 | $ 57.41
Vested (in shares) | 316,685 |  |
RPSUs | Vivint LTIP |  |  |
Stock-Based Compensation |  |  |
Granted (in usd per share) | $ 66.44 | $ 44.96 |
Vested (in shares) | 0 | 0 |

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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