Tower Obligations - Schedule of Impacts to Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property and equipment, net
Sale Leaseback Transaction [Line Items]
Sale-leasebacks	$ 2,220	$ 2,379
Tower obligations
Sale Leaseback Transaction [Line Items]
Sale-leasebacks	3,777	3,934
Other long-term liabilities
Sale Leaseback Transaction [Line Items]
Sale-leasebacks	$ 554	$ 554

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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