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Leases - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 28, 2024 | Sep. 30, 2023
Lessee, Lease, Description [Line Items] |  |
Right-of-use assets obtained in exchange for lease liabilities | $ 123 | $ 52
Operating lease liabilities | 575 |
Radio Tower Sites |  |
Lessee, Lease, Description [Line Items] |  |
Right-of-use assets obtained in exchange for lease liabilities | 80 |
Operating lease liabilities | $ 19 |
Lessee, Operating Lease, Renewal Term | 10 years |

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