OTHER OPERATING EXPENSE (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Income and Expenses [Abstract]
Marketing	$ 49	$ 56	$ 84	$ 94
Deposit insurance	46	43	122	79
Other	93	98	185	193
Other operating expense	$ 188	$ 197	$ 391	$ 366

Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.

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-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(14))
-Publisher FASB
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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

+ References

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- Definition

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
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-Topic 220
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-Name Accounting Standards Codification
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-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(7)(b))
-Publisher FASB
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- Definition

Amount of expense classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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-Name Accounting Standards Codification
-Section S99
-Paragraph 2
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-Paragraph 2
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- References

No definition available.

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