Information about Geographic Areas and Products - Subscription Revenues (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Subscription revenues	$ 5,896	$ 4,519	$ 3,460
Digital workflow products
Segment Reporting Information [Line Items]
Subscription revenues	4,882	3,749	2,811
ITOM products
Segment Reporting Information [Line Items]
Subscription revenues	691	537	444
Total subscription revenues
Segment Reporting Information [Line Items]
Subscription revenues	$ 5,573	$ 4,286	$ 3,255

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details