Wireless Licenses, Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2023

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)	2023		2022
Wireless licenses	$	150,485	$	149,796

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of Goodwill are as follows:

(dollars in millions)	Consumer		Business		Other		Total
Balance at January 1, 2023	$	21,142	$	7,502	$	27	$	28,671
Reclassifications, adjustments and other	—		3		—		3
Balance at March 31, 2023	$	21,142	$	7,505	$	27	$	28,674

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, 2023						At December 31, 2022
(dollars in millions)	Gross Amount		Accumulated Amortization		Net Amount		Gross Amount		Accumulated Amortization		Net Amount
Customer lists (5 to 13 years)	$	4,335	$	(1,776)	$	2,559	$	4,335	$	(1,646)	$	2,689
Non-network internal-use software (7 years)	23,838		(16,835)		7,003		23,421		(16,397)		7,024
Other (4 to 25 years)	2,817		(1,133)		1,684		2,806		(1,058)		1,748
Total	$	30,990	$	(19,744)	$	11,246	$	30,562	$	(19,101)	$	11,461

Amortization Expense for Other Intangible Assets

The amortization expense for Other intangible assets was as follows: 

	Three Months Ended
(dollars in millions)	March 31,
2023	$	647
2022	635

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 2023	$	1,903
2024	2,317
2025	2,121
2026	1,879
2027	1,318
2028	902