LOANS - Corporate Loans (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Loans
Loans, net of unearned income	$ 667,767	$ 675,883
Lease financing
Loans
Loans, net of unearned income	500	700
Corporate
Loans
Loans, net of unearned income	396,531	387,044
Unearned income	(799)	(844)
Loans sold and/or reclassified to held-for-sale	5,900	2,200
Corporate \| Commercial and industrial
Loans
Loans, net of unearned income	151,072	156,340
Corporate \| Financial institutions
Loans
Loans, net of unearned income	98,943	87,689
Corporate \| Mortgage and real estate
Loans
Loans, net of unearned income	73,769	72,038
Corporate \| Lease financing
Loans
Loans, net of unearned income	455	738
In U.S. offices \| Corporate
Loans
Loans, net of unearned income	211,848	201,632
In U.S. offices \| Corporate \| Commercial and industrial
Loans
Loans, net of unearned income	51,999	57,731
In U.S. offices \| Corporate \| Financial institutions
Loans
Loans, net of unearned income	66,936	55,809
In U.S. offices \| Corporate \| Mortgage and real estate
Loans
Loans, net of unearned income	63,357	60,675
In U.S. offices \| Corporate \| Installment and other
Loans
Loans, net of unearned income	29,143	26,744
In U.S. offices \| Corporate \| Lease financing
Loans
Loans, net of unearned income	413	673
In offices outside the U.S. \| Corporate
Loans
Loans, net of unearned income	184,683	185,412
In offices outside the U.S. \| Corporate \| Commercial and industrial
Loans
Loans, net of unearned income	103,167	104,072
In offices outside the U.S. \| Corporate \| Financial institutions
Loans
Loans, net of unearned income	32,203	32,334
In offices outside the U.S. \| Corporate \| Mortgage and real estate
Loans
Loans, net of unearned income	10,412	11,371
In offices outside the U.S. \| Corporate \| Installment and other
Loans
Loans, net of unearned income	34,436	33,759
In offices outside the U.S. \| Corporate \| Lease financing
Loans
Loans, net of unearned income	42	65
In offices outside the U.S. \| Corporate \| Government and official institutions
Loans
Loans, net of unearned income	$ 4,423	$ 3,811

Total amount of portfolio loans sold and or reclassified to loans held-for-sale during the period.

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- Definition

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+ References

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Amount of fee received for commitment to originate or purchase financing receivable where likelihood of commitment being exercised is remote. Excludes financing receivable covered under loss sharing agreement.

+ References

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