Discontinued Operations - Major Classes of Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Current assets
Total current assets	$ 0	$ 84
Noncurrent assets	0	892
Current liabilities
Total current liabilities	0	135
Noncurrent liabilities	$ 0	22
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Digital Banking
Current assets
Cash and cash equivalents		2
Accounts receivable, net of allowances		58
Prepaid and other current assets		9
Total current assets		69
Property, plant and equipment, net		5
Goodwill		521
Intangibles, net		168
Operating lease assets		5
Deferred income taxes		2
Other assets		183
Noncurrent assets		884
Total assets of discontinued operations		953
Current liabilities
Accounts payable		64
Payroll and benefits liabilities		22
Contract liabilities		30
Other current liabilities		4
Total current liabilities		120
Operating lease liabilities		3
Other liabilities		7
Noncurrent liabilities		10
Total liabilities of discontinued operations		130
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
Current assets
Cash and cash equivalents		1
Accounts receivable, net of allowances		9
Inventories		4
Prepaid and other current assets		1
Total current assets		15
Other assets		8
Noncurrent assets		8
Total assets of discontinued operations		23
Current liabilities
Accounts payable		1
Payroll and benefits liabilities		1
Contract liabilities		10
Other current liabilities		3
Total current liabilities		15
Pension and indemnity plan liabilities		7
Other liabilities		5
Noncurrent liabilities		12
Total liabilities of discontinued operations		$ 27