Acquisitions & Divestitures - 2019 Acquisitions (Details) $ / shares in Units, $ in Billions |
12 Months Ended | |
|---|---|---|
|
Jul. 09, 2019
USD ($)
$ / shares
|
Dec. 31, 2019
USD ($)
item
|
|
| 2019 Acquisitions | ||
| Acquisitions | ||
| Aggregate acquisitions cost | $ 35 | |
| Red Hat, Inc. | ||
| Acquisitions | ||
| Aggregate acquisitions cost | $ 35 | |
| Percentage of business acquired (as a percent) | 100.00% | |
| Cash paid to acquiree shareholders (in dollars per share) | $ / shares | $ 190 | |
| Equity value | $ 34 | |
| Software | Red Hat, Inc. | ||
| Acquisitions | ||
| Number of acquisitions | item | 1 |