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

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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LOANS - Corporate Loans (Details) - USD ($) $ in Millions	3 Months Ended
LOANS - Corporate Loans (Details) - USD ($) $ in Millions	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Loans
Loans, net of unearned income	$ 672,938		$ 667,034
Corporate
Loans
Total loans	348,632		334,141
Net unearned income	(778)		(763)
Loans, net of unearned income	347,854		333,378
Loans sold and/or reclassified to held-for-sale	100	$ 500
Corporate \| Commercial and industrial
Loans
Loans, net of unearned income	151,727		141,322
Corporate \| Financial institutions
Loans
Loans, net of unearned income	75,012		73,757
Corporate \| Mortgage and real estate
Loans
Loans, net of unearned income	53,109		51,964
Corporate \| Lease financing
Loans
Loans, net of unearned income	1,629		1,655
Corporate \| In U.S. offices
Loans
Total loans	174,387		169,781
Corporate \| In U.S. offices \| Commercial and industrial
Loans
Total loans	54,005		51,319
Corporate \| In U.S. offices \| Financial institutions
Loans
Total loans	40,472		39,128
Corporate \| In U.S. offices \| Mortgage and real estate
Loans
Total loans	45,581		44,683
Corporate \| In U.S. offices \| Installment, revolving credit and other
Loans
Total loans	32,866		33,181
Corporate \| In U.S. offices \| Lease financing
Loans
Total loans	1,463		1,470
Corporate \| In offices outside the U.S.
Loans
Total loans	174,245		164,360
Corporate \| In offices outside the U.S. \| Commercial and industrial
Loans
Total loans	101,368		93,750
Corporate \| In offices outside the U.S. \| Financial institutions
Loans
Total loans	35,659		35,273
Corporate \| In offices outside the U.S. \| Mortgage and real estate
Loans
Total loans	7,543		7,309
Corporate \| In offices outside the U.S. \| Installment, revolving credit and other
Loans
Total loans	23,338		22,638
Corporate \| In offices outside the U.S. \| Lease financing
Loans
Total loans	167		190
Corporate \| In offices outside the U.S. \| Government and official institutions
Loans
Total loans	$ 6,170		$ 5,200