| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. Floating Rate Global Notes due August 3, 2020 · T 20C · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.875% Global Notes due December 4, 2020 · T 20 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.650% Global Notes due December 17, 2021 · T 21B · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.450% Global Notes due June 1, 2022 · T 22B · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.500% Global Notes due March 15, 2023 · T 23 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.750% Global Notes due May 19, 2023 · T 23C · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. Floating Rate Global Notes due September 5, 2023 · T 23D · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.050% Global Notes due September 5, 2023 · T 23E · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.300% Global Notes due September 5, 2023 · T 23A · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.950% Global Notes due September 15, 2023 · T 23F · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.400% Global Notes due March 15, 2024 · T 24A · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 3.500% Global Notes due December 17, 2025 · T 25 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 0.250% Global Notes due March 4, 2026 · T 26E · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.800% Global Notes due September 5, 2026 · T 26D · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.900% Global Notes due December 4, 2026 · T 26A · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.350% Global Notes due September 5, 2029 · T 29D · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 4.375% Global Notes due September 14, 2029 · T 29B · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.600% Global Notes due December 17, 2029 · T 29A · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 0.800% Global Notes due March 4, 2030 · T 30B · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 3.550% Global Notes due December 17, 2032 · T 32 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 5.200% Global Notes due November 18, 2033 · T 33 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 3.375% Global Notes due March 15, 2034 · T 34 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 2.450% Global Notes due March 15, 2035 · T 35 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 3.150% Global Notes due September 4, 2036 · T 36A · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 1.800% Global Notes due September 14, 2039 · T 39B · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 7.000% Global Notes due April 30, 2040 · T 40 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 4.250% Global Notes due June 1, 2043 · T 43 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 4.875% Global Notes due June 1, 2044 · T 44 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 4.250% Global Notes due March 1, 2050 · T 50 · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 5.350% Global Notes due November 1, 2066 · TBB · NYSE |
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| 2020-02-20 | 10-K | Security registered under Section 12(b) | AT&T Inc. 5.625% Global Notes due August 1, 2067 · TBC · NYSE |
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| 2020-02-20 | 10-K | Stock registered under Section 12(b) | Depositary Shares, each representing a 1/1000th interest in a share of 5.000% Perpetual Preferred Stock, Series A · TPRA · NYSE |
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| 2020-02-20 | 10-K | Stock registered under Section 12(b) | Depositary Shares, each representing a 1/1000th interest in a share of 4.750% Perpetual Preferred Stock, Series C · TPRC · NYSE |
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