Business Acquisitions - Additional Information (Details) - USD ($)						3 Months Ended	12 Months Ended
	Sep. 01, 2020	Nov. 05, 2019	May 31, 2019	Feb. 21, 2019	Aug. 14, 2018	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired							$ 548,000,000	$ 262,000,000	$ 72,000,000
Acquisition and integration costs							23,000,000	22,000,000	8,000,000
Goodwill						$ 2,988,000,000	2,988,000,000	2,622,000,000	2,495,000,000
Reflexis
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired	$ 548,000,000
Granted (in shares)	38,228
Weighted-average grant date fair value of SARs granted (per underlying share) (in USD per share)	$ 230
Share based payment award options grants In period fair value	$ 9,000,000
Share-based payment award, award requisite service period	1 year 8 months 12 days
Weighted-average remaining contractual term, outstanding	7 years 8 months 12 days
Acquisition and integration costs							21,000,000
Business combination other acquisition costs							7,000,000
Decrease in deferred tax liabilities						12,000,000
Decrease in goodwill						12,000,000
Goodwill on acquisition	$ 364,000,000						364,000,000
Consideration transferred for net assets acquired	548,000,000
Intangible assets acquired	$ 204,000,000
Reflexis | Loans Payable | 2020 Term Loan
Business Acquisition [Line Items]
Debt instrument, face amount						$ 200,000,000	$ 200,000,000
Cortexica
Business Acquisition [Line Items]
Acquisition and integration costs								2,000,000
Goodwill on acquisition								4,000,000
Percentage of equity interests acquired		100.00%
Consideration transferred for net assets acquired		$ 7,000,000
Intangible assets acquired		4,000,000
Goodwill		$ 4,000,000
Profitect
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired			$ 75,000,000
Acquisition and integration costs								13,000,000
Goodwill on acquisition								54,000,000
Percentage of equity interests acquired			100.00%
Consideration transferred for net assets acquired			$ 79,000,000
Intangible assets acquired			35,000,000
Goodwill			54,000,000
Existing ownership in acquiree remeasured upon acquisition			4,000,000
Ownership interest remeasurement gain			$ 4,000,000
Temptime
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired				$ 180,000,000
Acquisition and integration costs								3,000,000
Goodwill on acquisition								73,000,000
Percentage of equity interests acquired				100.00%
Consideration transferred for net assets acquired				$ 180,000,000
Intangible assets acquired				106,000,000
Goodwill				$ 74,000,000
Xplore
Business Acquisition [Line Items]
Acquisition and integration costs									$ 8,000,000
Consideration transferred for net assets acquired					$ 72,000,000
Intangible assets acquired					32,000,000
Goodwill					29,000,000
Payment for debt					9,000,000
Transaction related obligations					$ 6,000,000
System integration costs								$ 2,000,000