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v3.24.3

Segment Information - Segment Results and Operating Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Operating revenues by products and services |  |  |  |
Segment revenue | $ 3,221 | $ 3,641 | $ 9,779 | $ 11,040
Cost of services and products | 1,692 | 1,850 | 4,997 | 5,407
Business |  |  |  |
Operating revenues by products and services |  |  |  |
Segment revenue | 2,536 | 2,905 | 7,704 | 8,781
Cost of services and products | 766 | 825 | 2,266 | 2,428
Selling, general and administrative | 453 | 610 | 1,407 | 1,723
Total segment expense | 1,219 | 1,435 | 3,673 | 4,151
Total segment adjusted EBITDA | 1,317 | 1,470 | 4,031 | 4,630
Mass Markets |  |  |  |
Operating revenues by products and services |  |  |  |
Segment revenue | 685 | 736 | 2,075 | 2,259
Cost of services and products | 16 | 19 | 53 | 61
Selling, general and administrative | 323 | 364 | 937 | 1,038
Total segment expense | 339 | 383 | 990 | 1,099
Total segment adjusted EBITDA | $ 346 | $ 353 | $ 1,085 | $ 1,160

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