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Revenue Recognition - Revenue by Segment, Sales Channel and Product Category (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | $ 17,478 | $ 19,687 | $ 20,712
Adjustments for Non-ASC 606 Revenue | (1,370) | (1,892) | (1,915)
Total Revenue from Contracts with Customers | 16,108 | 17,795 | 18,797
Goods and services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue from Contracts with Customers | 154 | 138 | 250
Services performed over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue from Contracts with Customers | 15,954 | 17,657 | 18,547
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 17,478 | 19,687 | 20,712
Operating Segments | Business |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 13,039 | 14,119 | 14,808
Adjustments for Non-ASC 606 Revenue | (1,018) | (1,095) | (1,078)
Total Revenue from Contracts with Customers | 12,021 | 13,024 | 13,730
Operating Segments | Business | Compute and Application Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,665 | 1,742 | 1,735
Adjustments for Non-ASC 606 Revenue | (473) | (530) | (524)
Total Revenue from Contracts with Customers | 1,192 | 1,212 | 1,211
Operating Segments | Business | IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 5,771 | 6,207 | 6,422
Adjustments for Non-ASC 606 Revenue | (4) | (7) | (8)
Total Revenue from Contracts with Customers | 5,767 | 6,200 | 6,414
Operating Segments | Business | Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 2,152 | 2,258 | 2,277
Adjustments for Non-ASC 606 Revenue | (302) | (305) | (286)
Total Revenue from Contracts with Customers | 1,850 | 1,953 | 1,991
Operating Segments | Business | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 3,451 | 3,912 | 4,374
Adjustments for Non-ASC 606 Revenue | (239) | (253) | (260)
Total Revenue from Contracts with Customers | 3,212 | 3,659 | 4,114
Operating Segments | Business | International and Global Accounts |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 3,645 | 4,083 | 4,137
Adjustments for Non-ASC 606 Revenue | (363) | (409) | (375)
Total Revenue from Contracts with Customers | 3,282 | 3,674 | 3,762
Operating Segments | Business | International and Global Accounts | Compute and Application Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 667 | 731 | 759
Adjustments for Non-ASC 606 Revenue | (227) | (279) | (265)
Total Revenue from Contracts with Customers | 440 | 452 | 494
Operating Segments | Business | International and Global Accounts | IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,510 | 1,716 | 1,736
Adjustments for Non-ASC 606 Revenue | 0 | (1) | 0
Total Revenue from Contracts with Customers | 1,510 | 1,715 | 1,736
Operating Segments | Business | International and Global Accounts | Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 830 | 889 | 846
Adjustments for Non-ASC 606 Revenue | (136) | (129) | (110)
Total Revenue from Contracts with Customers | 694 | 760 | 736
Operating Segments | Business | International and Global Accounts | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 638 | 747 | 796
Adjustments for Non-ASC 606 Revenue | 0 | 0 | 0
Total Revenue from Contracts with Customers | 638 | 747 | 796
Operating Segments | Business | Large Enterprise |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 3,409 | 3,771 | 3,961
Adjustments for Non-ASC 606 Revenue | (106) | (113) | (132)
Total Revenue from Contracts with Customers | 3,303 | 3,658 | 3,829
Operating Segments | Business | Large Enterprise | Compute and Application Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 621 | 696 | 665
Adjustments for Non-ASC 606 Revenue | (60) | (62) | (82)
Total Revenue from Contracts with Customers | 561 | 634 | 583
Operating Segments | Business | Large Enterprise | IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,517 | 1,583 | 1,628
Adjustments for Non-ASC 606 Revenue | 0 | 0 | (2)
Total Revenue from Contracts with Customers | 1,517 | 1,583 | 1,626
Operating Segments | Business | Large Enterprise | Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 478 | 540 | 601
Adjustments for Non-ASC 606 Revenue | (46) | (50) | (46)
Total Revenue from Contracts with Customers | 432 | 490 | 555
Operating Segments | Business | Large Enterprise | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 793 | 952 | 1,067
Adjustments for Non-ASC 606 Revenue | 0 | (1) | (2)
Total Revenue from Contracts with Customers | 793 | 951 | 1,065
Operating Segments | Business | Mid-Market Enterprise |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 2,465 | 2,649 | 2,901
Adjustments for Non-ASC 606 Revenue | (40) | (44) | (31)
Total Revenue from Contracts with Customers | 2,425 | 2,605 | 2,870
Operating Segments | Business | Mid-Market Enterprise | Compute and Application Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 135 | 127 | 127
Adjustments for Non-ASC 606 Revenue | (29) | (30) | (16)
Total Revenue from Contracts with Customers | 106 | 97 | 111
Operating Segments | Business | Mid-Market Enterprise | IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,629 | 1,710 | 1,809
Adjustments for Non-ASC 606 Revenue | (4) | (6) | (6)
Total Revenue from Contracts with Customers | 1,625 | 1,704 | 1,803
Operating Segments | Business | Mid-Market Enterprise | Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 192 | 207 | 212
Adjustments for Non-ASC 606 Revenue | (7) | (8) | (9)
Total Revenue from Contracts with Customers | 185 | 199 | 203
Operating Segments | Business | Mid-Market Enterprise | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 509 | 605 | 753
Adjustments for Non-ASC 606 Revenue | 0 | 0 | 0
Total Revenue from Contracts with Customers | 509 | 605 | 753
Operating Segments | Business | Wholesale |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 3,520 | 3,616 | 3,809
Adjustments for Non-ASC 606 Revenue | (509) | (529) | (540)
Total Revenue from Contracts with Customers | 3,011 | 3,087 | 3,269
Operating Segments | Business | Wholesale | Compute and Application Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 242 | 188 | 184
Adjustments for Non-ASC 606 Revenue | (157) | (159) | (161)
Total Revenue from Contracts with Customers | 85 | 29 | 23
Operating Segments | Business | Wholesale | IP and Data Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,115 | 1,198 | 1,249
Adjustments for Non-ASC 606 Revenue | 0 | 0 | 0
Total Revenue from Contracts with Customers | 1,115 | 1,198 | 1,249
Operating Segments | Business | Wholesale | Fiber Infrastructure |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 652 | 622 | 618
Adjustments for Non-ASC 606 Revenue | (113) | (118) | (121)
Total Revenue from Contracts with Customers | 539 | 504 | 497
Operating Segments | Business | Wholesale | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,511 | 1,608 | 1,758
Adjustments for Non-ASC 606 Revenue | (239) | (252) | (258)
Total Revenue from Contracts with Customers | 1,272 | 1,356 | 1,500
Operating Segments | Mass Markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 4,439 | 5,568 | 5,904
Adjustments for Non-ASC 606 Revenue | (352) | (797) | (837)
Total Revenue from Contracts with Customers | 4,087 | 4,771 | 5,067
Operating Segments | Mass Markets | Voice and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 1,672 | 2,537 | 2,838
Adjustments for Non-ASC 606 Revenue | (134) | (570) | (601)
Total Revenue from Contracts with Customers | 1,538 | 1,967 | 2,237
Operating Segments | Mass Markets | Fiber Broadband |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 604 | 524 | 427
Adjustments for Non-ASC 606 Revenue | (18) | 0 | 0
Total Revenue from Contracts with Customers | 586 | 524 | 427
Operating Segments | Mass Markets | Other Broadband |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenue | 2,163 | 2,507 | 2,639
Adjustments for Non-ASC 606 Revenue | (200) | (227) | (236)
Total Revenue from Contracts with Customers | $ 1,963 | $ 2,280 | $ 2,403

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