v3.25.1
Goodwill, Spectrum License Transactions and Other Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The changes in the carrying amount of goodwill for the three months ended March 31, 2025, are as follows:
(in millions)Goodwill
Balance as of December 31, 2024, net of accumulated impairment losses of $10,984
$13,005 
Adjustment to goodwill from the Ka’ena Acquisition6 
Provisionally assigned goodwill from acquisitions in 2025456 
Balance as of March 31, 2025, net of accumulated impairment losses of $10,984
$13,467 
Schedule of Spectrum Licenses
The following table summarizes our spectrum license activity for the three months ended March 31, 2025:
(in millions)Spectrum
Spectrum licenses, beginning of year$100,558 
Spectrum license acquisitions254 
Spectrum licenses transferred to held for sale(2,084)
Costs to clear spectrum5 
Spectrum licenses, end of period$98,733 
Schedule of Other Intangible Assets
The components of Other intangible assets were as follows:
Useful LivesMarch 31, 2025December 31, 2024
(in millions)Gross AmountAccumulated AmortizationNet AmountGross AmountAccumulated AmortizationNet Amount
Customer relationships (1)
Up to 9 years
$5,672 $(4,302)$1,370 $5,427 $(4,123)$1,304 
Reacquired rights
Up to 9 years
770 (347)423 770 (323)447 
Tradenames and patents (1)
Up to 19 years
353 (163)190 338 (157)181 
Favorable spectrum leases
Up to 27 years
616 (176)440 620 (169)451 
Other (1)
Up to 10 years
556 (361)195 478 (349)129 
Other intangible assets$7,967 $(5,349)$2,618 $7,633 $(5,121)$2,512 
(1)Includes intangible assets acquired through our acquisitions. See Note 2 - Business Combinations for more information.
Schedule of Estimated Aggregate Future Amortization Expense
The estimated aggregate future amortization expense for intangible assets subject to amortization is summarized below:
(in millions)Estimated Future Amortization
Twelve Months Ending March 31,
2026$776 
2027591 
2028423 
2029267 
2030163 
Thereafter398 
Total$2,618