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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 2,812 | $ 2,717 | $ 2,616 | $ 2,532 | $ 2,599 | $ 2,570 | $ 2,490 | $ 2,468 | $ 10,677 | $ 10,127 | $ 9,831
Total recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 8,543 | 8,109 | 7,847
Total recurring | Transaction processing and services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 7,136 | 6,860 | 6,666
Total recurring | Software maintenance |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 998 | 940 | 897
Total recurring | Other recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 409 | 309 | 284
Other non-recurring | Software license |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 675 | 628 | 508
Other non-recurring | Professional services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 912 | 954 | 962
Other non-recurring | Other non-recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 547 | 436 | 514
North America |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 8,306 | 7,849 | 7,691
All others |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,371 | 2,278 | 2,140
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 10,677 | 10,127 | 9,831
Operating Segments | Banking Solutions |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 7,285 | 6,892 | 6,743
Operating Segments | Banking Solutions | Total recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 6,110 | 5,752 | 5,572
Operating Segments | Banking Solutions | Total recurring | Transaction processing and services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 5,412 | 5,146 | 4,981
Operating Segments | Banking Solutions | Total recurring | Software maintenance |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 389 | 362 | 364
Operating Segments | Banking Solutions | Total recurring | Other recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 309 | 244 | 227
Operating Segments | Banking Solutions | Other non-recurring | Software license |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 176 | 196 | 131
Operating Segments | Banking Solutions | Other non-recurring | Professional services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 522 | 551 | 562
Operating Segments | Banking Solutions | Other non-recurring | Other non-recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 477 | 393 | 478
Operating Segments | Banking Solutions | North America |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 6,283 | 5,893 | 5,812
Operating Segments | Banking Solutions | All others |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,002 | 999 | 931
Operating Segments | Capital Market Solutions |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 3,196 | 2,979 | 2,766
Operating Segments | Capital Market Solutions | Total recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2,284 | 2,145 | 1,993
Operating Segments | Capital Market Solutions | Total recurring | Transaction processing and services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,578 | 1,507 | 1,409
Operating Segments | Capital Market Solutions | Total recurring | Software maintenance |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 607 | 576 | 531
Operating Segments | Capital Market Solutions | Total recurring | Other recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 99 | 62 | 53
Operating Segments | Capital Market Solutions | Other non-recurring | Software license |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 499 | 431 | 369
Operating Segments | Capital Market Solutions | Other non-recurring | Professional services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 385 | 399 | 391
Operating Segments | Capital Market Solutions | Other non-recurring | Other non-recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 28 | 4 | 13
Operating Segments | Capital Market Solutions | North America |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,916 | 1,839 | 1,712
Operating Segments | Capital Market Solutions | All others |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1,280 | 1,140 | 1,054
Operating Segments | Corporate and Other |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 196 | 256 | 322
Operating Segments | Corporate and Other | Total recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 149 | 212 | 282
Operating Segments | Corporate and Other | Total recurring | Transaction processing and services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 146 | 207 | 276
Operating Segments | Corporate and Other | Total recurring | Software maintenance |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 2 | 2 | 2
Operating Segments | Corporate and Other | Total recurring | Other recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 1 | 3 | 4
Operating Segments | Corporate and Other | Other non-recurring | Software license |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 0 | 1 | 8
Operating Segments | Corporate and Other | Other non-recurring | Professional services |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 5 | 4 | 9
Operating Segments | Corporate and Other | Other non-recurring | Other non-recurring |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 42 | 39 | 23
Operating Segments | Corporate and Other | North America |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 107 | 117 | 167
Operating Segments | Corporate and Other | All others |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 89 | $ 139 | $ 155

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