v3.25.2
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.