v3.23.1
Document and Entity Information
May 31, 2023
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0000732717
Document Type 8-K
Document Period End Date May 31, 2023
Entity Registrant Name AT&T INC.
Entity Incorporation State Country Code DE
Entity File Number 001-08610
Entity Tax Identification Number 43-1301883
Entity Address, Address Line One 208 S. Akard St.
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75202
City Area Code (210)
Local Phone Number 821-4105
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Shares (Par Value $1.00 Per Share)
Trading Symbol T
Security Exchange Name NYSE
Series A Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Depositary Shares, each representing a 1/1000th interest in a share of 5.000% Perpetual Preferred Stock, Series A
Trading Symbol T PRA
Security Exchange Name NYSE
Series C Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Depositary Shares, each representing a 1/1000th interest in a share of 4.750% Perpetual Preferred Stock, Series C
Trading Symbol T PRC
Security Exchange Name NYSE
Att Inc .2.500 Global Notes Due March 1520237 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.500% Global Notes due March 15, 2023
Trading Symbol T 23
Security Exchange Name NYSE
Att Inc .2.750 Global Notes Due May 19202311 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.750% Global Notes due May 19, 2023
Trading Symbol T 23C
Security Exchange Name NYSE
ATT Inc Floating Rate Global Notes Due September 52023 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. Floating Rate Global Notes due September 5, 2023
Trading Symbol T 23D
Security Exchange Name NYSE
Att Inc .1.050 Global Notes Due September 52023 Member 20 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.050% Global Notes due September 5, 2023
Trading Symbol T 23E
Security Exchange Name NYSE
Att Inc .1.300 Global Notes Due September 5202312 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.300% Global Notes due September 5, 2023
Trading Symbol T 23A
Security Exchange Name NYSE
Att Inc .1.950 Global Notes Due September 15202313 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.950% Global Notes due September 15, 2023
Trading Symbol T 23F
Security Exchange Name NYSE
Att Inc .2.400 Global Notes Due March 1520241 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.400% Global Notes due March 15, 2024
Trading Symbol T 24A
Security Exchange Name NYSE
ATT Inc Floating Rate Global Notes Due March 62025 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. Floating Rate Global Notes due March 6, 2025
Trading Symbol T 25A
Security Exchange Name NYSE
Att Inc .3.550 Global Notes Due November 182025 Member 24 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.550% Global Notes due November 18, 2025
Trading Symbol T 25B
Security Exchange Name NYSE
Att Inc .3.500 Global Notes Due December 172025 Member 28 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.500% Global Notes due December 17, 2025
Trading Symbol T 25
Security Exchange Name NYSE
Att Inc .0.250 Global Notes Due March 420262 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 0.250% Global Notes due March 4, 2026
Trading Symbol T 26E
Security Exchange Name NYSE
Att Inc .1.800 Global Notes Due September 520262 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.800% Global Notes due September 5, 2026
Trading Symbol T 26D
Security Exchange Name NYSE
Att Inc .2.900 Global Notes Due December 4202625 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.900% Global Notes due December 4, 2026
Trading Symbol T 26A
Security Exchange Name NYSE
Att Inc .1.600 Global Notes Due May 1920288 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.600% Global Notes due May 19, 2028
Trading Symbol T 28C
Security Exchange Name NYSE
Att Inc .2.350 Global Notes Due September 5202915 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.350% Global Notes due September 5, 2029
Trading Symbol T 29D
Security Exchange Name NYSE
Att Inc .4.375 Global Notes Due September 14202916 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.375% Global Notes due September 14, 2029
Trading Symbol T 29B
Security Exchange Name NYSE
Att Inc .2.600 Global Notes Due December 17202926 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.600% Global Notes due December 17, 2029
Trading Symbol T 29A
Security Exchange Name NYSE
Att Inc .0.800 Global Notes Due March 420303 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 0.800% Global Notes due March 4, 2030
Trading Symbol T 30B
Security Exchange Name NYSE
Att Inc .3.950 Global Notes Due April 302031 Member 30 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.950% Global Notes due April 30, 2031
Trading Symbol T 31F
Security Exchange Name NYSE
Att Inc .2.050 Global Notes Due May 1920329 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.050% Global Notes due May 19, 2032
Trading Symbol T 32A
Security Exchange Name NYSE
Att Inc .3.550 Global Notes Due December 17203227 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.550% Global Notes due December 17, 2032
Trading Symbol T 32
Security Exchange Name NYSE
Att Inc .5.200 Global Notes Due November 18203321 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 5.200% Global Notes due November 18, 2033
Trading Symbol T 33
Security Exchange Name NYSE
Att Inc .3.375 Global Notes Due March 1520344 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.375% Global Notes due March 15, 2034
Trading Symbol T 34
Security Exchange Name NYSE
Att Inc .4.300 Global Notes Due November 18203422 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.300% Global Notes due November 18, 2034
Trading Symbol T 34C
Security Exchange Name NYSE
Att Inc .2.450 Global Notes Due March 1520355 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.450% Global Notes due March 15, 2035
Trading Symbol T 35
Security Exchange Name NYSE
Att Inc .3.150 Global Notes Due September 4203617 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.150% Global Notes due September 4, 2036
Trading Symbol T 36A
Security Exchange Name NYSE
Att Inc .2.600 Global Notes Due May 19203810 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 2.600% Global Notes due May 19, 2038
Trading Symbol T 38C
Security Exchange Name NYSE
Att Inc .1.800 Global Notes Due September 1420391 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 1.800% Global Notes due September 14, 2039
Trading Symbol T 39B
Security Exchange Name NYSE
Att Inc .7.000 Global Notes Due April 30204029 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 7.000% Global Notes due April 30, 2040
Trading Symbol T 40
Security Exchange Name NYSE
Att Inc .4.250 Global Notes Due June 12043 Member 33 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.250% Global Notes due June 1, 2043
Trading Symbol T 43
Security Exchange Name NYSE
Att Inc .4.875 Global Notes Due June 1204431 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.875% Global Notes due June 1, 2044
Trading Symbol T 44
Security Exchange Name NYSE
Att Inc .4.000 Global Notes Due June 1204932 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.000% Global Notes due June 1, 2049
Trading Symbol T 49A
Security Exchange Name NYSE
Att Inc .4.250 Global Notes Due March 120506 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 4.250% Global Notes due March 1, 2050
Trading Symbol T 50
Security Exchange Name NYSE
Att Inc .3.750 Global Notes Due September 1205019 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 3.750% Global Notes due September 1, 2050
Trading Symbol T 50A
Security Exchange Name NYSE
Att Inc .5.350 Global Notes Due November 1206623 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 5.350% Global Notes due November 1, 2066
Trading Symbol TBB
Security Exchange Name NYSE
ATT Inc 5625 Global Notes Due August 12067 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title AT&T Inc. 5.625% Global Notes due August 1, 2067
Trading Symbol TBC
Security Exchange Name NYSE