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Property, Software and Equipment - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 549,000,000	$ 575,000,000	$ 614,000,000
Property, Plant and Equipment [Line Items]
Remaining asset impairment charges	0	97,000,000	1,627,000,000
Pre-tax gain	0	0	(221,000,000)
Real estate owned and related fixed assets
Property, Plant and Equipment [Line Items]
Impairment charges		$ 57,000,000	$ 1,050,000,000
Property owned
Property, Plant and Equipment [Line Items]
Pre-tax gain	$ 24,000,000

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Topic 230
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X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

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- Definition

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
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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.

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-SubTopic 20
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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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