LOANS - Corporate Loans Credit Quality Indicators (Details) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Loans receivable
Loans, net of unearned income	$ 674,909	$ 667,034
Loans at fair value	4,239	4,374
Corporate
Loans receivable
Loans, net of unearned income	349,440	333,378
Total non-accrual	1,540	1,942
Loans at fair value	4,218	4,349
Corporate \| Commercial and industrial
Loans receivable
Loans, net of unearned income	147,195	141,322
Total non-accrual	1,123	1,506
Corporate \| Financial institutions
Loans receivable
Loans, net of unearned income	82,528	73,757
Total non-accrual	74	92
Corporate \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	54,964	51,964
Total non-accrual	258	195
Corporate \| Leases
Loans receivable
Loans, net of unearned income	1,576	1,655
Total non-accrual	0	46
Corporate \| Other
Loans receivable
Loans, net of unearned income	58,959	60,331
Total non-accrual	85	103
Corporate \| Non-rated private bank loans managed on a delinquency basis
Loans receivable
Loans, net of unearned income	27,116	25,674
Corporate \| Investment grade
Loans receivable
Loans, net of unearned income	252,324	242,326
Corporate \| Investment grade \| Commercial and industrial
Loans receivable
Loans, net of unearned income	102,875	101,313
Corporate \| Investment grade \| Financial institutions
Loans receivable
Loans, net of unearned income	70,435	60,404
Corporate \| Investment grade \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	24,351	23,213
Corporate \| Investment grade \| Leases
Loans receivable
Loans, net of unearned income	1,054	1,090
Corporate \| Investment grade \| Other
Loans receivable
Loans, net of unearned income	53,609	56,306
Corporate \| Non-investment grade
Loans receivable
Loans, net of unearned income	65,782	61,029
Corporate \| Non-investment grade \| Commercial and industrial
Loans receivable
Loans, net of unearned income	43,196	38,503
Total non-accrual	1,123	1,506
Corporate \| Non-investment grade \| Financial institutions
Loans receivable
Loans, net of unearned income	12,019	13,261
Total non-accrual	74	92
Corporate \| Non-investment grade \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	3,240	2,881
Total non-accrual	258	195
Corporate \| Non-investment grade \| Leases
Loans receivable
Loans, net of unearned income	523	518
Total non-accrual	0	46
Corporate \| Non-investment grade \| Other
Loans receivable
Loans, net of unearned income	5,264	3,924
Total non-accrual	$ 85	$ 103

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No definition available.

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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-Publisher FASB
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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