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Revenue Recognition - Revenue by Segment, Sales Channel and Product Category (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | $ 3,221 | $ 3,641 | $ 9,779 | $ 11,040
Adjustments for non-ASC 606 revenue | (254) | (262) | (733) | (804)
Total revenue from Contracts with Customers | 2,967 | 3,379 | 9,046 | 10,236
Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 2,536 | 2,905 | 7,704 | 8,781
Mass Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 685 | 736 | 2,075 | 2,259
Operating Segments | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 2,536 | 2,905 | 7,704 | 8,781
Adjustments for non-ASC 606 revenue | (221) | (218) | (620) | (669)
Total revenue from Contracts with Customers | 2,315 | 2,687 | 7,084 | 8,112
Operating Segments | Mass Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 685 | 736 | 2,075 | 2,259
Adjustments for non-ASC 606 revenue | (33) | (44) | (113) | (135)
Total revenue from Contracts with Customers | 652 | 692 | 1,962 | 2,124
Operating Segments | Large Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 839 | 914 | 2,534 | 2,724
Adjustments for non-ASC 606 revenue | (73) | (51) | (184) | (150)
Total revenue from Contracts with Customers | 766 | 863 | 2,350 | 2,574
Operating Segments | Mid-Market Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 471 | 506 | 1,435 | 1,543
Adjustments for non-ASC 606 revenue | (11) | (8) | (27) | (28)
Total revenue from Contracts with Customers | 460 | 498 | 1,408 | 1,515
Operating Segments | Public Sector | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 427 | 445 | 1,295 | 1,292
Adjustments for non-ASC 606 revenue | (22) | (22) | (65) | (60)
Total revenue from Contracts with Customers | 405 | 423 | 1,230 | 1,232
Operating Segments | Wholesale | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 706 | 776 | 2,159 | 2,402
Adjustments for non-ASC 606 revenue | (114) | (108) | (341) | (342)
Total revenue from Contracts with Customers | 592 | 668 | 1,818 | 2,060
Operating Segments | International and Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 93 | 264 | 281 | 820
Adjustments for non-ASC 606 revenue | (1) | (29) | (3) | (89)
Total revenue from Contracts with Customers | 92 | 235 | 278 | 731
Operating Segments | Grow | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 1,076 | 1,131 | 3,198 | 3,409
Adjustments for non-ASC 606 revenue | (174) | (166) | (478) | (509)
Total revenue from Contracts with Customers | 902 | 965 | 2,720 | 2,900
Operating Segments | Grow | Large Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 436 | 429 | 1,287 | 1,278
Adjustments for non-ASC 606 revenue | (73) | (48) | (183) | (145)
Total revenue from Contracts with Customers | 363 | 381 | 1,104 | 1,133
Operating Segments | Grow | Mid-Market Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 211 | 201 | 628 | 601
Adjustments for non-ASC 606 revenue | (6) | (6) | (19) | (21)
Total revenue from Contracts with Customers | 205 | 195 | 609 | 580
Operating Segments | Grow | Public Sector | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 131 | 118 | 383 | 354
Adjustments for non-ASC 606 revenue | (21) | (22) | (62) | (60)
Total revenue from Contracts with Customers | 110 | 96 | 321 | 294
Operating Segments | Grow | Wholesale | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 259 | 256 | 783 | 792
Adjustments for non-ASC 606 revenue | (73) | (61) | (211) | (194)
Total revenue from Contracts with Customers | 186 | 195 | 572 | 598
Operating Segments | Grow | International and Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 39 | 127 | 117 | 384
Adjustments for non-ASC 606 revenue | (1) | (29) | (3) | (89)
Total revenue from Contracts with Customers | 38 | 98 | 114 | 295
Operating Segments | Nurture | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 729 | 874 | 2,257 | 2,661
Adjustments for non-ASC 606 revenue | (6) | (5) | (20) | (19)
Total revenue from Contracts with Customers | 723 | 869 | 2,237 | 2,642
Operating Segments | Nurture | Large Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 253 | 297 | 779 | 890
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 253 | 297 | 779 | 890
Operating Segments | Nurture | Mid-Market Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 167 | 203 | 533 | 632
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 167 | 203 | 533 | 632
Operating Segments | Nurture | Public Sector | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 87 | 98 | 262 | 298
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 87 | 98 | 262 | 298
Operating Segments | Nurture | Wholesale | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 183 | 206 | 562 | 627
Adjustments for non-ASC 606 revenue | (6) | (5) | (20) | (19)
Total revenue from Contracts with Customers | 177 | 201 | 542 | 608
Operating Segments | Nurture | International and Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 39 | 70 | 121 | 214
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 39 | 70 | 121 | 214
Operating Segments | Harvest | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 549 | 662 | 1,697 | 2,059
Adjustments for non-ASC 606 revenue | (37) | (43) | (116) | (132)
Total revenue from Contracts with Customers | 512 | 619 | 1,581 | 1,927
Operating Segments | Harvest | Large Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 106 | 131 | 337 | 403
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 106 | 131 | 337 | 403
Operating Segments | Harvest | Mid-Market Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 83 | 93 | 248 | 283
Adjustments for non-ASC 606 revenue | (1) | (1) | (3) | (3)
Total revenue from Contracts with Customers | 82 | 92 | 245 | 280
Operating Segments | Harvest | Public Sector | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 86 | 96 | 272 | 290
Adjustments for non-ASC 606 revenue | (1) | 0 | (3) | 0
Total revenue from Contracts with Customers | 85 | 96 | 269 | 290
Operating Segments | Harvest | Wholesale | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 261 | 312 | 807 | 974
Adjustments for non-ASC 606 revenue | (35) | (42) | (110) | (129)
Total revenue from Contracts with Customers | 226 | 270 | 697 | 845
Operating Segments | Harvest | International and Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 13 | 30 | 33 | 109
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 13 | 30 | 33 | 109
Operating Segments | Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 182 | 238 | 552 | 652
Adjustments for non-ASC 606 revenue | (4) | (4) | (6) | (9)
Total revenue from Contracts with Customers | 178 | 234 | 546 | 643
Operating Segments | Other | Large Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 44 | 57 | 131 | 153
Adjustments for non-ASC 606 revenue | 0 | (3) | (1) | (5)
Total revenue from Contracts with Customers | 44 | 54 | 130 | 148
Operating Segments | Other | Mid-Market Enterprise | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 10 | 9 | 26 | 27
Adjustments for non-ASC 606 revenue | (4) | (1) | (5) | (4)
Total revenue from Contracts with Customers | 6 | 8 | 21 | 23
Operating Segments | Other | Public Sector | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 123 | 133 | 378 | 350
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 123 | 133 | 378 | 350
Operating Segments | Other | Wholesale | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 3 | 2 | 7 | 9
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 3 | 2 | 7 | 9
Operating Segments | Other | International and Other | Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 2 | 37 | 10 | 113
Adjustments for non-ASC 606 revenue | 0 | 0 | 0 | 0
Total revenue from Contracts with Customers | 2 | 37 | 10 | 113
Operating Segments | Fiber Broadband | Mass Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 190 | 163 | 541 | 473
Adjustments for non-ASC 606 revenue | (3) | (4) | (10) | (12)
Total revenue from Contracts with Customers | 187 | 159 | 531 | 461
Operating Segments | Other Broadband | Mass Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 282 | 341 | 895 | 1,065
Adjustments for non-ASC 606 revenue | (25) | (31) | (80) | (96)
Total revenue from Contracts with Customers | 257 | 310 | 815 | 969
Operating Segments | Voice and Other | Mass Markets |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total Revenue | 213 | 232 | 639 | 721
Adjustments for non-ASC 606 revenue | (5) | (9) | (23) | (27)
Total revenue from Contracts with Customers | $ 208 | $ 223 | $ 616 | $ 694

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