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Goodwill - Schedule of Changes in Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	$ 16,816	$ 16,927
Foreign currency adjustments	54	(111)
Goodwill attributable to acquisitions	101
Ending balance	16,971	16,816
Banking Solutions
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	12,536	12,566
Foreign currency adjustments	15	(30)
Goodwill attributable to acquisitions	37
Ending balance	12,588	12,536
Capital Market Solutions
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	4,260	4,341
Foreign currency adjustments	39	(81)
Goodwill attributable to acquisitions	64
Ending balance	4,363	4,260
Corporate and Other
Changes in goodwill, net of purchase accounting adjustments
Beginning balance	20	20
Foreign currency adjustments	0	0
Goodwill attributable to acquisitions	0
Ending balance	$ 20	$ 20

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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