XML 95 R81.htm IDEA: XBRL DOCUMENT v3.19.1
Acquisitions/Divestitures - Businesses Acquired (Details)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2019
entity
Dec. 31, 2019
USD ($)
$ / shares
2019 Acquisitions    
Acquisitions    
Number of acquisitions | entity 0  
Red Hat, Inc. | Expected    
Acquisitions    
Percentage of business acquired (as a percent)   100.00%
Cash to be paid to acquiree shareholders (in dollars per share) | $ / shares   $ 190
Aggregate acquisitions cost | $   $ 34,000