v3.26.1
Wireless Licenses, Goodwill and Other Intangible Assets
 3 Months Ended
Mar. 31, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Wireless Licenses, Goodwill, and Other Intangible Assets
Note 4. Wireless Licenses, Goodwill, and Other Intangible Assets
Wireless Licenses
The carrying amounts of Wireless licenses are as follows:
At March 31,At December 31,
(dollars in millions)20262025
Wireless licenses$157,082 $157,039 

At March 31, 2026 and 2025, approximately $6.3 billion and $9.4 billion, respectively, of wireless licenses were under development for commercial service for which we were capitalizing interest costs. We recorded $82 million and $122 million of capitalized interest on wireless licenses for the three months ended March 31, 2026 and 2025, respectively.
During the three months ended March 31, 2026, we renewed various wireless licenses in accordance with Federal Communications Commission (FCC) regulations. The average renewal period for these licenses was 10 years.

Goodwill
Changes in the carrying amount of Goodwill are as follows:
(dollars in millions)ConsumerBusinessTotal
Balance at January 1, 2026(1)
$21,177 $1,664 $22,841 
Acquisitions(2)
6,003 1,784 7,787 
Balance at March 31, 2026(1)
$27,180 $3,448 $30,628 
(1) Goodwill is net of accumulated impairment charges of $5.8 billion related to our Business reporting unit.
(2) Changes in goodwill due to acquisitions are related to Frontier and another immaterial transaction. See Note 3 for additional information.

Other Intangible Assets
The following table displays the composition of Other intangible assets, net as well as the respective amortization periods:
 At March 31, 2026At December 31, 2025
(dollars in millions)
Gross
Amount(1)
Accumulated
Amortization		Net
Amount		Gross
Amount		Accumulated
Amortization		Net
Amount
Customer lists (6 to 13 years)
$6,879 $(3,289)$3,590 $4,243 $(3,116)$1,127 
Non-network internal-use software (3 to 7 years)
28,554 (20,263)8,291 28,749 (20,301)8,448 
Other (4 to 25 years)
2,738 (1,820)918 2,676 (1,793)883 
Total$38,171 $(25,372)$12,799 $35,668 $(25,210)$10,458 
(1) Other intangible assets include assets acquired as a result of the Frontier acquisition. See Note 3 for additional information.

The amortization expense for Other intangible assets was as follows: 
Three Months Ended
(dollars in millions)March 31,
2026$836 
2025734 

The estimated future amortization expense for Other intangible assets for the remainder of the current year and next 5 years is as follows:

Years(dollars in millions)
Remainder of 2026$2,534 
20272,885 
20282,316 
20291,475 
20301,212 
2031851