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v3.25.3

Segment Information - Operating Financial Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | $ 33,821 | $ 33,330 | $ 101,810 | $ 99,107
Depreciation and amortization expense | 4,618 | 4,458 | 13,830 | 13,386
Total Operating Expenses | 25,716 | 27,404 | 77,555 | 77,842
Operating Income | 8,105 | 5,926 | 24,255 | 21,265
Service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Cost of wireless equipment | 6,863 | 7,193 | 20,691 | 21,064
Wireless equipment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 5,619 | 5,343 | 17,272 | 15,702
Cost of wireless equipment | 6,483 | 6,047 | 19,596 | 17,519
Service revenues and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 28,202 | 27,987 | 84,538 | 83,405
Fios revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,247 | 3,230 | 9,687 | 9,646
Wireless service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 21,029 | 20,598 | 62,741 | 61,331
Consumer | Fios revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 2,937 | 2,916 | 8,757 | 8,708
Consumer | Wireless service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 17,441 | 17,036 | 52,009 | 50,781
Business | Fios revenues |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 310 | 314 | 930 | 938
Business | Wireless service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,588 | 3,562 | 10,732 | 10,550
Operating Segments Excluding Intersegment Elimination | Service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 20,260 | 19,864 | 60,439 | 59,232
Operating Segments Excluding Intersegment Elimination | Wireless equipment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 4,766 | 4,478 | 14,667 | 13,111
Operating Segments Excluding Intersegment Elimination | Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 1,001 | 963 | 3,040 | 2,839
Operating Segments Excluding Intersegment Elimination | Enterprise and Public Sector |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,310 | 3,538 | 10,202 | 10,670
Operating Segments Excluding Intersegment Elimination | Business Markets and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,345 | 3,258 | 9,991 | 9,647
Operating Segments Excluding Intersegment Elimination | Wholesale |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 479 | 547 | 1,488 | 1,684
Operating Segments Excluding Intersegment Elimination | Consumer | Service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 20,260 | 19,864 | 60,439 | 59,232
Operating Segments Excluding Intersegment Elimination | Consumer | Wireless equipment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 4,766 | 4,478 | 14,667 | 13,111
Operating Segments Excluding Intersegment Elimination | Consumer | Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 1,001 | 963 | 3,040 | 2,839
Operating Segments Excluding Intersegment Elimination | Consumer | Enterprise and Public Sector |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Consumer | Business Markets and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Consumer | Wholesale |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Business | Service |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Business | Wireless equipment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Business | Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating Segments Excluding Intersegment Elimination | Business | Enterprise and Public Sector |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,310 | 3,538 | 10,202 | 10,670
Operating Segments Excluding Intersegment Elimination | Business | Business Markets and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 3,345 | 3,258 | 9,991 | 9,647
Operating Segments Excluding Intersegment Elimination | Business | Wholesale |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 479 | 547 | 1,488 | 1,684
Intersegment Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 86 | 63 | 247 | 188
Intersegment Eliminations | Consumer |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 78 | 55 | 225 | 162
Intersegment Eliminations | Business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 8 | 8 | 22 | 26
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 33,247 | 32,711 | 100,074 | 97,371
Cost of wireless equipment | 6,483 | 6,047 | 19,596 | 17,519
Centrally managed network and shared service costs | 6,839 | 6,914 | 20,756 | 20,987
Depreciation and amortization expense | 4,603 | 4,451 | 13,779 | 13,360
Other segment expenses | 7,021 | 7,130 | 21,273 | 21,461
Total Operating Expenses | 24,946 | 24,542 | 75,404 | 73,327
Operating Income | 8,301 | 8,169 | 24,670 | 24,044
Operating Segments | Consumer |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 26,105 | 25,360 | 78,371 | 75,344
Cost of wireless equipment | 5,270 | 4,850 | 15,988 | 14,032
Centrally managed network and shared service costs | 4,456 | 4,397 | 13,448 | 13,277
Depreciation and amortization expense | 3,568 | 3,411 | 10,693 | 10,114
Other segment expenses | 5,147 | 5,098 | 15,511 | 15,341
Total Operating Expenses | 18,441 | 17,756 | 55,640 | 52,764
Operating Income | 7,664 | 7,604 | 22,731 | 22,580
Operating Segments | Business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 7,142 | 7,351 | 21,703 | 22,027
Cost of wireless equipment | 1,213 | 1,197 | 3,608 | 3,487
Centrally managed network and shared service costs | 2,383 | 2,517 | 7,308 | 7,710
Depreciation and amortization expense | 1,035 | 1,040 | 3,086 | 3,246
Other segment expenses | 1,874 | 2,032 | 5,762 | 6,120
Total Operating Expenses | 6,505 | 6,786 | 19,764 | 20,563
Operating Income | 637 | 565 | 1,939 | 1,464
Operating Segments | Business | Wireless equipment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | 853 | 865 | 2,600 | 2,600
Operating Segments | Business | Service revenues and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating revenues | $ 6,300 | $ 6,500 | $ 19,100 | $ 19,400

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