Wireless Licenses, Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount of Wireless Licenses

The carrying amounts of our Wireless licenses are as follows:

	At March 31,		At December 31,
(dollars in millions)	2025		2024
Wireless licenses	$	156,726	$	156,613

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of Goodwill are as follows:

(dollars in millions)	Consumer		Business		Total
Balance at January 1, 2025(1)	$	21,177	$	1,664	$	22,841
Reclassifications, adjustments and other	—		1		1
Balance at March 31, 2025	$	21,177	$	1,665	$	22,842

(1) Goodwill is net of accumulated impairment charges of $5.8 billion related to our Business reporting unit.

Composition of Other Intangible Assets, Net

The following table displays the composition of Other intangible assets, net as well as the respective amortization periods:

	At March 31, 2025						At December 31, 2024
(dollars in millions)	Gross Amount		Accumulated Amortization		Net Amount		Gross Amount		Accumulated Amortization		Net Amount
Customer lists (6 to 13 years)	$	4,242	$	(2,751)	$	1,491	$	4,242	$	(2,629)	$	1,613
Non-network internal-use software (3 to 7 years)	28,587		(20,291)		8,296		28,136		(19,743)		8,393
Other (4 to 25 years)	2,666		(1,606)		1,060		2,664		(1,541)		1,123
Total	$	35,495	$	(24,648)	$	10,847	$	35,042	$	(23,913)	$	11,129

Amortization Expense for Other Intangible Assets

The amortization expense for Other intangible assets was as follows: 

	Three Months Ended
(dollars in millions)	March 31,
2025	$	734
2024	698

Estimated Future Amortization Expense for Other Intangible Assets

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 2025	$	2,159
2026	2,644
2027	2,096
2028	1,610
2029	946
2030	690