Revenue Recognition - Hybrid Cloud Revenue by Segment (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Revenue by Major Products/Service Offerings | ||
| Hybrid cloud revenue | $ 5,009 | $ 4,390 |
| Software | ||
| Revenue by Major Products/Service Offerings | ||
| Hybrid cloud revenue | 2,130 | 1,744 |
| Consulting | ||
| Revenue by Major Products/Service Offerings | ||
| Hybrid cloud revenue | 2,135 | 1,722 |
| Infrastructure | ||
| Revenue by Major Products/Service Offerings | ||
| Hybrid cloud revenue | 672 | 837 |
| Other. | ||
| Revenue by Major Products/Service Offerings | ||
| Hybrid cloud revenue | $ 72 | $ 87 |