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Revenue Recognition - Revenue by Segment, Sales Channel and Product Category (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Total Revenue | $ 3,290 | $ 3,738
Adjustments for non-ASC 606 revenue | (229) | (276)
Total revenue from Contracts with Customers | 3,061 | 3,462
Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 2,591 | 2,968
Mass Markets |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 699 | 770
Operating Segments | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 2,591 | 2,968
Adjustments for non-ASC 606 revenue | (188) | (230)
Total revenue from Contracts with Customers | 2,403 | 2,738
Operating Segments | Mass Markets |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 699 | 770
Adjustments for non-ASC 606 revenue | (41) | (46)
Total revenue from Contracts with Customers | 658 | 724
Operating Segments | Large Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 858 | 911
Adjustments for non-ASC 606 revenue | (50) | (51)
Total revenue from Contracts with Customers | 808 | 860
Operating Segments | Mid-Market Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 486 | 523
Adjustments for non-ASC 606 revenue | (8) | (10)
Total revenue from Contracts with Customers | 478 | 513
Operating Segments | Public Sector | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 420 | 432
Adjustments for non-ASC 606 revenue | (22) | (19)
Total revenue from Contracts with Customers | 398 | 413
Operating Segments | Wholesale | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 730 | 823
Adjustments for non-ASC 606 revenue | (107) | (121)
Total revenue from Contracts with Customers | 623 | 702
Operating Segments | International and Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 97 | 279
Adjustments for non-ASC 606 revenue | (1) | (29)
Total revenue from Contracts with Customers | 96 | 250
Operating Segments | Grow | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 1,059 | 1,134
Adjustments for non-ASC 606 revenue | (139) | (176)
Total revenue from Contracts with Customers | 920 | 958
Operating Segments | Grow | Large Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 427 | 421
Adjustments for non-ASC 606 revenue | (49) | (50)
Total revenue from Contracts with Customers | 378 | 371
Operating Segments | Grow | Mid-Market Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 207 | 197
Adjustments for non-ASC 606 revenue | (6) | (7)
Total revenue from Contracts with Customers | 201 | 190
Operating Segments | Grow | Public Sector | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 125 | 117
Adjustments for non-ASC 606 revenue | (21) | (19)
Total revenue from Contracts with Customers | 104 | 98
Operating Segments | Grow | Wholesale | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 260 | 271
Adjustments for non-ASC 606 revenue | (62) | (71)
Total revenue from Contracts with Customers | 198 | 200
Operating Segments | Grow | International and Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 40 | 128
Adjustments for non-ASC 606 revenue | (1) | (29)
Total revenue from Contracts with Customers | 39 | 99
Operating Segments | Nurture | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 777 | 913
Adjustments for non-ASC 606 revenue | (7) | (6)
Total revenue from Contracts with Customers | 770 | 907
Operating Segments | Nurture | Large Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 268 | 300
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 268 | 300
Operating Segments | Nurture | Mid-Market Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 188 | 219
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 188 | 219
Operating Segments | Nurture | Public Sector | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 87 | 107
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 87 | 107
Operating Segments | Nurture | Wholesale | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 192 | 215
Adjustments for non-ASC 606 revenue | (7) | (6)
Total revenue from Contracts with Customers | 185 | 209
Operating Segments | Nurture | International and Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 42 | 72
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 42 | 72
Operating Segments | Harvest | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 582 | 706
Adjustments for non-ASC 606 revenue | (40) | (45)
Total revenue from Contracts with Customers | 542 | 661
Operating Segments | Harvest | Large Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 119 | 139
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 119 | 139
Operating Segments | Harvest | Mid-Market Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 83 | 98
Adjustments for non-ASC 606 revenue | (1) | (1)
Total revenue from Contracts with Customers | 82 | 97
Operating Segments | Harvest | Public Sector | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 94 | 99
Adjustments for non-ASC 606 revenue | (1) | 0
Total revenue from Contracts with Customers | 93 | 99
Operating Segments | Harvest | Wholesale | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 275 | 332
Adjustments for non-ASC 606 revenue | (38) | (44)
Total revenue from Contracts with Customers | 237 | 288
Operating Segments | Harvest | International and Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 11 | 38
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 11 | 38
Operating Segments | Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 173 | 215
Adjustments for non-ASC 606 revenue | (2) | (3)
Total revenue from Contracts with Customers | 171 | 212
Operating Segments | Other | Large Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 44 | 51
Adjustments for non-ASC 606 revenue | (1) | (1)
Total revenue from Contracts with Customers | 43 | 50
Operating Segments | Other | Mid-Market Enterprise | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 8 | 9
Adjustments for non-ASC 606 revenue | (1) | (2)
Total revenue from Contracts with Customers | 7 | 7
Operating Segments | Other | Public Sector | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 114 | 109
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 114 | 109
Operating Segments | Other | Wholesale | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 3 | 5
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 3 | 5
Operating Segments | Other | International and Other | Business |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 4 | 41
Adjustments for non-ASC 606 revenue | 0 | 0
Total revenue from Contracts with Customers | 4 | 41
Operating Segments | Fiber Broadband | Mass Markets |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 170 | 152
Adjustments for non-ASC 606 revenue | (4) | (4)
Total revenue from Contracts with Customers | 166 | 148
Operating Segments | Other Broadband | Mass Markets |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 315 | 369
Adjustments for non-ASC 606 revenue | (28) | (33)
Total revenue from Contracts with Customers | 287 | 336
Operating Segments | Voice and Other | Mass Markets |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenue | 214 | 249
Adjustments for non-ASC 606 revenue | (9) | (9)
Total revenue from Contracts with Customers | $ 205 | $ 240

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