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Leases - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Lessee, Lease, Description [Line Items] |  |  |
Right-of-use assets obtained in exchange for lease liabilities | $ 150 | $ 98 | $ 221
Additional leases acquired | 554 |  |
Three Large Managed Service Contracts |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Right-of-use assets obtained in exchange for lease liabilities | 80 |  |
Radio Tower Sites |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Right-of-use assets obtained in exchange for lease liabilities |  | $ 66 |
Additional leases acquired | $ 24 |  |
Renewal term | 10 years |  |
International RE Lease |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Additional leases acquired | $ 19 |  |

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