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Revenues (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Revenue, Remaining Performance Obligation, Amount |  | $ 406 |  | $ 430 | $ 623
Revenue Recognized on Deferred Revenues |  | 69 | $ 102 |  |
Continuing Operations |  |  |  |  |
Contracted Amounts Receivable from Customers, remainder of year | [1] | 1,981 |  |  |
Contracted Amounts Receivable from Customers, in Two Years | [1] | 3,981 |  |  |
Contracted Amounts Receivable from Customers, in Three Years | [1] | 4,054 |  |  |
Contracted Amounts Receivable from Customers, in Four Years | [1] | 3,931 |  |  |
Contracted Amounts Receivable from Customers, in Five Years | [1] | 3,231 |  |  |
Contracted Amounts Receivable from Customers, Thereafter | [1] | 11,594 |  |  |
Lessor, Operating Lease, Payments to be Received | [1] | $ 28,772 |  |  |
Minimum [Member] |  |  |  |  |
Revenue Recognition Non-cancelable Lease Term for Wireless Tenants |  | five |  |  |
Revenue, Performance Obligation, Description of Payment Terms |  | 45 |  |  |
Maximum [Member] |  |  |  |  |
Revenue Recognition Non-cancelable Lease Term for Wireless Tenants |  | 15 |  |  |
Revenue, Performance Obligation, Description of Payment Terms |  | 90 |  |  |
[1] | Excludes amounts related to services, as those contracts generally have a duration of one year or less.

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