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Revenue from Contracts with Customers - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 417	$ 460	$ 1,343	$ 1,442
Americas
Disaggregation of Revenue [Line Items]
Revenue	242	249	781	786
EMEA
Disaggregation of Revenue [Line Items]
Revenue	105	133	337	408
APJ
Disaggregation of Revenue [Line Items]
Revenue	70	78	225	248
Recurring
Disaggregation of Revenue [Line Items]
Revenue	331	352	1,062	1,100
Recurring | Americas
Disaggregation of Revenue [Line Items]
Revenue	207	210	668	661
Recurring | EMEA
Disaggregation of Revenue [Line Items]
Revenue	77	90	241	277
Recurring | APJ
Disaggregation of Revenue [Line Items]
Revenue	47	52	153	162
Perpetual software licenses, hardware and other
Disaggregation of Revenue [Line Items]
Revenue	14	18	48	58
Perpetual software licenses, hardware and other | Americas
Disaggregation of Revenue [Line Items]
Revenue	5	5	20	16
Perpetual software licenses, hardware and other | EMEA
Disaggregation of Revenue [Line Items]
Revenue	6	10	20	30
Perpetual software licenses, hardware and other | APJ
Disaggregation of Revenue [Line Items]
Revenue	3	3	8	12
Consulting services
Disaggregation of Revenue [Line Items]
Revenue	72	90	233	284
Consulting services | Americas
Disaggregation of Revenue [Line Items]
Revenue	30	34	93	109
Consulting services | EMEA
Disaggregation of Revenue [Line Items]
Revenue	22	33	76	101
Consulting services | APJ
Disaggregation of Revenue [Line Items]
Revenue	$ 20	$ 23	$ 64	$ 74

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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.

+ References

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