Revenue Recognition - Hybrid Cloud Revenue by Segment (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Revenue by Major Products/Service Offerings | |||
| Hybrid cloud revenue | $ 22,377 | $ 20,210 | $ 16,838 |
| Software | |||
| Revenue by Major Products/Service Offerings | |||
| Hybrid cloud revenue | 9,321 | 8,386 | 6,517 |
| Consulting | |||
| Revenue by Major Products/Service Offerings | |||
| Hybrid cloud revenue | 9,019 | 7,852 | 5,861 |
| Infrastructure | |||
| Revenue by Major Products/Service Offerings | |||
| Hybrid cloud revenue | 3,895 | 3,645 | 4,039 |
| Other. | |||
| Revenue by Major Products/Service Offerings | |||
| Hybrid cloud revenue | $ 142 | $ 328 | $ 422 |