Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents a disaggregation of revenue for the years ended December 31:

In millions	2019		2018		2017*
Americas
Recurring	$	873	$	801	$	739
Perpetual software licenses and hardware	38		127		234
Consulting services	146		198		222
Total Americas	1,057		1,126		1,195
EMEA
Recurring	305		282		248
Perpetual software licenses and hardware	43		112		133
Consulting services	144		193		186
Total EMEA	492		587		567
APAC
Recurring	185		171		158
Perpetual software licenses and hardware	25		101		62
Consulting services	140		179		174
Total APAC	350		451		394
Total Revenue	$	1,899	$	2,164	$	2,156

*As discussed in Note 1, periods prior to 2018 have not been adjusted under the modified retrospective adoption method of Topic 606

Schedule of Receivables, Contract Assets, and Deferred Revenue from Contracts with Customers

The following table provides information about receivables, contract assets and deferred revenue from contracts with customers:

In millions	December 31, 2019		December 31, 2018
Accounts receivable, net	$	398	$	588
Contract assets	$	8	$	14
Current deferred revenue	$	472	$	490
Long-term deferred revenue	$	61	$	105

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

The following table includes estimated revenue expected to be recognized in the future related to the Company's unsatisfied (or partially satisfied) obligations at December 31, 2019:

In millions	Total at December 31, 2019		Year 1		Year 2 and Thereafter
Remaining unsatisfied obligations	$	2,732	$	1,377	$	1,355