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Debt and Other Obligations (Scheduled Contractual Maturities) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Contractual Maturities - Year 1	$ 1,951	[1]
Contractual Maturities - Year 2	2,787
Contractual Maturities - Year 3	3,258
Contractual Maturities - Year 4	2,635
Contractual Maturities - Year 5	2,478
Contractual Maturities - Thereafter	11,130
Total Cash Obligations	24,239
Unamortized Discounts	(158)
Total Debt and Other Obligations Outstanding	$ 24,081
Tower Revenue Notes [Member]
Debt Instrument [Line Items]
Debt, interest rate increase if not paid by anticipated repayment date	5.00%
[1] Predominately consists of outstanding indebtedness under the CP Program and the 1.350% senior unsecured notes due July 2025.

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