GOODWILL AND INTANGIBLE ASSETS - Changes in Intangible Assets (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2023	Dec. 31, 2022
Finite and Indefinite-lived Intangible Assets
Beginning balance	$ 3,763
Acquisitions/renewals/ divestitures	301
Amortization	(189)
Impairments	0
FX translation and other	20
Ending balance	3,895
Mortgage servicing rights (MSRs)	681	$ 665
Total intangible assets	4,576	$ 4,428
Indefinite-lived intangible assets
Finite and Indefinite-lived Intangible Assets
Beginning balance	192
Acquisitions/renewals/ divestitures	0
Amortization	0
Impairments	0
FX translation and other	25
Ending balance	217
Purchased credit card relationships
Finite and Indefinite-lived Intangible Assets
Beginning balance	1,087
Acquisitions/renewals/ divestitures	0
Amortization	(75)
Impairments	0
FX translation and other	0
Ending balance	1,012
Credit card contract related intangibles
Finite and Indefinite-lived Intangible Assets
Beginning balance	2,385
Acquisitions/renewals/ divestitures	290
Amortization	(94)
Impairments	0
FX translation and other	0
Ending balance	2,581
Other customer relationships
Finite and Indefinite-lived Intangible Assets
Beginning balance	90
Acquisitions/renewals/ divestitures	11
Amortization	(12)
Impairments	0
FX translation and other	(5)
Ending balance	84
Present value of future profits
Finite and Indefinite-lived Intangible Assets
Beginning balance	1
Acquisitions/renewals/ divestitures	0
Amortization	0
Impairments	0
FX translation and other	0
Ending balance	1
Other
Finite and Indefinite-lived Intangible Assets
Beginning balance	8
Acquisitions/renewals/ divestitures	0
Amortization	(8)
Impairments	0
FX translation and other	0
Ending balance	$ 0

No definition available.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill and excluding mortgage servicing rights, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

No definition available.

+ Details

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- Definition

Intangible Assets, Excluding Mortgage Servicing Rights Acquisitions (Divestitures)

+ References

No definition available.

+ Details

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- Definition

This element represents the aggregate amount of amortization of intangible assets excluding mortgage servicing rights (MSRs) during the period.

+ References

No definition available.

+ Details

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- Definition

This element represents the aggregate amount of impairment of intangible assets excluding mortgage servicing rights (MSRs) during the period.

+ References

No definition available.

+ Details

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- Definition

This element represents net changes to the recorded value of intangible assets excluding mortgage servicing rights (MSRs), due to foreign currency translation adjustments and purchase accounting adjustments.

+ References

No definition available.

+ Details

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- Definition

This element represents the sum of the carrying amounts of all intangible assets excluding goodwill but including mortgage servicing rights, as of the balance sheet date that is net of accumulated amortization and impairment charges.

+ References

No definition available.

+ Details

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- Definition

The amount of mortgage servicing rights (MSRs) as of the balance sheet date.

+ References

No definition available.

+ Details

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