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Debt (Tables)
 12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Summary of Long-Term Debt of AT&T and its Subsidiaries
Long-term debt of AT&T and its subsidiaries, including interest rates and maturities, is summarized as follows at December 31:
20242023
Notes and debentures
Interest Rates1
Maturities
0.00%
–
2.99%2024–2033$21,860 $24,560 
3.00%
–
4.99%2024–206183,725 87,855 
5.00%
–
6.99%2024–209522,679 27,286 
7.00%
–
8.75%2024–20973,565 3,639 
Fair value of interest rate swaps recorded in debt6 7 
131,835 143,347 
Unamortized (discount) premium – net(9,340)(9,509)
Unamortized issuance costs(379)(436)
Total notes and debentures122,116 133,402 
Finance lease obligations1,416 1,838 
Total long-term debt, including current maturities123,532 135,240 
Current maturities of long-term debt(5,089)(7,386)
Total long-term debt$118,443 $127,854 
1Foreign debt includes the impact from hedges, when applicable.
Debt Maturing Within One Year
20242023
Current maturities of long-term debt$5,089 $7,386 
Commercial paper— 2,091 
Total$5,089 $9,477 
Schedule of Debt Activity Our debt activity during 2024 primarily consisted of the following:
First
Quarter		Second
Quarter		Third
Quarter		Fourth
Quarter		Full Year 2024
Net commercial paper borrowings$428 $262 $(2,686)$— $(1,996)
Repayments:
USD notes
$(2,300)$(1,615)$— $(2,575)$(6,490)
EUR notes
(2,181)(32)— — (2,213)
CAD notes— (442)— — (442)
CHF notes
— — — (467)(467)
Other(204)(136)(203)(142)(685)
Repayments of long-term debt$(4,685)$(2,225)$(203)$(3,184)$(10,297)
Long-Term Debt - Scheduled Repayments
20252026202720282029Thereafter
Debt repayments1,2
$5,399 $8,652 $6,310 $6,905 $6,918 $101,768 
Weighted-average interest rate 2
4.7 %3.1 %3.7 %3.2 %4.6 %4.2 %
1Debt repayments represent maturity value. Foreign debt includes the impact from hedges, when applicable.
2Includes credit agreement borrowings.