Segments - Pre-Tax Income Reconciliation (Details) - USD ($) $ in Millions |
3 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
||||
| Pre-tax income from continuing operations | |||||
| Amortization of acquired intangible assets | $ (461) | $ (447) | |||
| Acquisition-related (charges)/income | (7) | (16) | |||
| Non-operating retirement-related (costs)/income | (202) | (332) | |||
| Kyndryl-related impacts | (222) | ||||
| Other - divested businesses | (52) | (15) | |||
| Income from continuing operations before income taxes | 623 | 244 | [1] | ||
| Business Segments | |||||
| Pre-tax income from continuing operations | |||||
| Income from continuing operations before income taxes | 1,766 | 1,325 | |||
| Internal transactions | |||||
| Pre-tax income from continuing operations | |||||
| Income from continuing operations before income taxes | (11) | (9) | |||
| Unallocated corporate amounts | |||||
| Pre-tax income from continuing operations | |||||
| Income from continuing operations before income taxes | $ (188) | $ (262) | |||
| |||||