v3.24.3
Goodwill, Spectrum License Transactions and Other Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The change in the carrying amount of goodwill for the nine months ended September 30, 2024, is as follows:
(in millions)Goodwill
Balance as of December 31, 2023, net of accumulated impairment losses of $10,984
$12,234 
Preliminary goodwill from the Ka’ena Acquisition in 2024781 
Balance as of September 30, 2024, net of accumulated impairment losses of $10,984
$13,015 
Schedule of Spectrum Licenses
The following table summarizes our spectrum license activity for the nine months ended September 30, 2024:
(in millions)2024
Spectrum licenses, beginning of year$96,707 
Spectrum license acquisitions3,000 
Spectrum licenses transferred to held for sale(1,024)
Costs to clear spectrum53 
Spectrum licenses, end of period$98,736 
Schedule of Other Intangible Assets
The components of Other intangible assets were as follows:
Useful LivesSeptember 30, 2024December 31, 2023
(in millions)Gross AmountAccumulated AmortizationNet AmountGross AmountAccumulated AmortizationNet Amount
Customer relationships (1)
Up to 8 years
$5,428 $(3,952)$1,476 $4,883 $(3,451)$1,432 
Reacquired rights
Up to 9 years
770 (300)470 770 (231)539 
Tradenames and patents (1)
Up to 19 years
330 (151)179 208 (134)74 
Favorable spectrum leases
Up to 27 years
672 (174)498 686 (148)538 
Other (1)
Up to 10 years
478 (339)139 353 (318)35 
Other intangible assets$7,678 $(4,916)$2,762 $6,900 $(4,282)$2,618 
(1)Includes intangible assets acquired in the Ka’ena Acquisition. 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 September 30,
2025$797 
2026618 
2027448 
2028292 
2029199 
Thereafter408 
Total$2,762