Discontinued Operations - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax, environmental matters		$ (19)	$ 0	$ (19)	$ (1)
Net cash provided by (used in) operating activities of discontinued operations				(4)	(1)
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff \| Digital Banking Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of business	$ 1,500	$ 1,546	$ 0	1,546	0
Net cash provided by (used in) operating activities of discontinued operations				$ (299)	$ 170

Income (Loss) From Discontinued Operations, Net Of Tax, Environmental Matters

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- Definition

Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-24

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B

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- Definition

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3B
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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