| Reconciliation of Revenues to Segment Contribution |
| | | | | | | | | | | | | | | | | | | | | | | | | | | For the year ended December 31, 2025 | | Revenues | | Operations and Support Expenses | | | | Depreciation and Amortization | | Operating Income (Loss) | | Communications | | | | | | | | | | | Mobility | $ | 89,482 | | | $ | 51,864 | | | | | $ | 10,422 | | | $ | 27,196 | | | Business Wireline | 17,231 | | | 12,213 | | | | | 5,834 | | | (816) | | | Consumer Wireline | 14,183 | | | 8,933 | | | | | 3,703 | | | 1,547 | | | Total Communications | 120,896 | | | 73,010 | | | | | 19,959 | | | 27,927 | | Latin America | 4,379 | | | 3,563 | | | | | 671 | | | 145 | | | Segment Total | 125,275 | | | 76,573 | | | | | 20,630 | | | 28,072 | | | Corporate and Other | | | | | | | | | | | Corporate: | | | | | | | | | | | DTV-related retained costs | — | | | 225 | | | | | 200 | | | (425) | | | Parent administration support | (1) | | | 1,737 | | | | | 18 | | | (1,756) | | | Securitization fees | 115 | | | 702 | | | | | — | | | (587) | | | Value portfolio | 259 | | | 50 | | | | | — | | | 209 | | | Total Corporate | 373 | | | 2,714 | | | | | 218 | | | (2,559) | | | | | | | | | | | | | | | | | | | | | | | Certain significant items | — | | | 1,313 | | | | | 38 | | | (1,351) | | | | | | | | | | | | | Total Corporate and Other | 373 | | | 4,027 | | | | | 256 | | | (3,910) | | | AT&T Inc. | $ | 125,648 | | | $ | 80,600 | | | | | $ | 20,886 | | | $ | 24,162 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | For the year ended December 31, 2024 | | Revenues | | Operations and Support Expenses | | | | Depreciation and Amortization | | Operating Income (Loss) | | Communications | | | | | | | | | | | Mobility | $ | 85,255 | | | $ | 48,724 | | | | | $ | 10,217 | | | $ | 26,314 | | | Business Wireline | 18,819 | | | 13,352 | | | | | 5,555 | | | (88) | | | Consumer Wireline | 13,578 | | | 9,048 | | | | | 3,661 | | | 869 | | | Total Communications | 117,652 | | | 71,124 | | | | | 19,433 | | | 27,095 | | Latin America | 4,232 | | | 3,535 | | | | | 657 | | | 40 | | | Segment Total | 121,884 | | | 74,659 | | | | | 20,090 | | | 27,135 | | | Corporate and Other | | | | | | | | | | | Corporate: | | | | | | | | | | | DTV-related retained costs | — | | | 465 | | | | | 414 | | | (879) | | | Parent administration support | (2) | | | 1,722 | | | | | 6 | | | (1,730) | | | Securitization fees | 116 | | | 628 | | | | | — | | | (512) | | | Value portfolio | 338 | | | 102 | | | | | 17 | | | 219 | | | Total Corporate | 452 | | | 2,917 | | | | | 437 | | | (2,902) | | | Certain significant items | — | | | 5,131 | | | | | 53 | | | (5,184) | | | Total Corporate and Other | 452 | | | 8,048 | | | | | 490 | | | (8,086) | | | AT&T Inc. | $ | 122,336 | | | $ | 82,707 | | | | | $ | 20,580 | | | $ | 19,049 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | For the year ended December 31, 2023 | | Revenues | | Operations and Support Expenses | | | | Depreciation and Amortization | | Operating Income (Loss) | | Communications | | | | | | | | | | | Mobility | $ | 83,982 | | | $ | 49,604 | | | | | $ | 8,517 | | | $ | 25,861 | | | Business Wireline | 20,883 | | | 14,217 | | | | | 5,377 | | | 1,289 | | | Consumer Wireline | 13,173 | | | 9,053 | | | | | 3,469 | | | 651 | | | Total Communications | 118,038 | | | 72,874 | | | | | 17,363 | | | 27,801 | | Latin America | 3,932 | | | 3,349 | | | | | 724 | | | (141) | | | Segment Total | 121,970 | | | 76,223 | | | | | 18,087 | | | 27,660 | | | Corporate and Other | | | | | | | | | | | Corporate: | | | | | | | | | | | DTV-related retained costs | — | | | 686 | | | | | 586 | | | (1,272) | | | Parent administration support | (7) | | | 1,416 | | | | | 6 | | | (1,429) | | | Securitization fees | 85 | | | 604 | | | | | — | | | (519) | | | Value portfolio | 380 | | | 99 | | | | | 22 | | | 259 | | | Total Corporate | 458 | | | 2,805 | | | | | 614 | | | (2,961) | | | Certain significant items | — | | | 1,162 | | | | | 76 | | | (1,238) | | | Total Corporate and Other | 458 | | | 3,967 | | | | | 690 | | | (4,199) | | | AT&T Inc. | $ | 122,428 | | | $ | 80,190 | | | | | $ | 18,777 | | | $ | 23,461 | | |
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| Reconciliation of Segment Contributions to Income Before Income Taxes |
The following table is a reconciliation of Segment Operating Income to “Income Before Income Taxes” reported in our consolidated statements of income: | | | | | | | | | | | | | | | | | | | | | | | | | | For the years ended December 31, | 2025 | | 2024 | | 2023 | | | | | | | | | | Communications | $ | 27,927 | | | $ | 27,095 | | | $ | 27,801 | | | | | | | | | | | Latin America | 145 | | | 40 | | | (141) | | | | | | | | | | | Segment Operating Income | 28,072 | | | 27,135 | | | 27,660 | | | | | | | | | | | Reconciling Items: | | | | | | | | | | | | | | | Corporate | (2,559) | | | (2,902) | | | (2,961) | | | | | | | | | | Transaction, legal and other costs | (627) | | | (123) | | | (98) | | | | | | | | | | | Amortization of intangibles acquired | (38) | | | (53) | | | (76) | | | | | | | | | | | Asset impairments and abandonments and restructuring | (838) | | | (5,075) | | | (1,193) | | | | | | | | | | | Benefit-related gains (losses) | 152 | | | 67 | | | 129 | | | | | | | | | | AT&T Operating Income | 24,162 | | | 19,049 | | | 23,461 | | | | | | | | | | Interest expense | 6,804 | | | 6,759 | | | 6,704 | | | | | | | | | | | Equity in net income of affiliates | 1,895 | | | 1,989 | | | 1,675 | | | | | | | | | | | Other income (expense) – net | 7,754 | | | 2,419 | | | 1,416 | | | | | | | | | | Income Before Income Taxes | $ | 27,007 | | | $ | 16,698 | | | $ | 19,848 | | | | | | | | | | |
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| Schedule of Revenues Earned from Customers and Property, Plant and Equipment by Geographical Areas |
The following table sets forth revenues earned from customers, and property, plant and equipment located in different geographic areas: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At or for the years ended December 31, | 2025 | | 2024 | | 2023 | | Revenues | | Net Property, Plant & Equipment | | Revenues | | Net Property, Plant & Equipment | | Revenues | | Net Property, Plant & Equipment | | United States | $ | 120,219 | | | $ | 128,181 | | | $ | 116,882 | | | $ | 125,573 | | | $ | 117,097 | | | $ | 124,387 | | | Mexico | 4,428 | | | 3,097 | | | 4,286 | | | 2,981 | | | 3,993 | | | 3,750 | | | Asia/Pacific Rim | 395 | | | 68 | | | 462 | | | 82 | | | 521 | | | 99 | | | Europe | 382 | | | 126 | | | 441 | | | 139 | | | 504 | | | 166 | | | Latin America | 110 | | | 54 | | | 149 | | | 60 | | | 194 | | | 67 | | | Other | 114 | | | 33 | | | 116 | | | 36 | | | 119 | | | 20 | | | Total | $ | 125,648 | | | $ | 131,559 | | | $ | 122,336 | | | $ | 128,871 | | | $ | 122,428 | | | $ | 128,489 | |
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| Schedule of Intersegment Revenues, Assets, Investments in Equity Affiliates, and Capital Expenditures by Segment |
The following table presents assets, investments in equity affiliates and capital expenditures by segment: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At or for the years ended December 31, | 2025 | | 2024 | | | Assets | | Investments in Equity Method Investees | | Capital Expenditures | | Assets | | Investments in Equity Method Investees | | Capital Expenditures | | Communications | | $ | 500,244 | | | $ | — | | | $ | 19,588 | | | $ | 481,757 | | | $ | — | | | $ | 19,335 | | | Latin America | | 9,460 | | | — | | | 276 | | | 7,808 | | | — | | | 269 | | Corporate and eliminations | | (89,506) | | | 1,106 | | | 978 | | | (94,770) | | | 295 | | | 659 | | | Total | | $ | 420,198 | | | $ | 1,106 | | | $ | 20,842 | | | $ | 394,795 | | | $ | 295 | | | $ | 20,263 | |
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