LOANS - Corporate Loans Credit Quality Indicators (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Loans receivable
Loans, net of unearned income	$ 684,196	$ 667,034
Loans at fair value	3,223	4,374
Corporate
Loans receivable
Loans, net of unearned income	353,709	333,378
Loans, total non-accrual	1,311	1,942
Loans at fair value	3,203	4,349
Corporate \| Commercial and industrial
Loans receivable
Loans, net of unearned income	145,286	141,322
Loans, total non-accrual	919	1,506
Corporate \| Financial institutions
Loans receivable
Loans, net of unearned income	83,868	73,757
Loans, total non-accrual	102	92
Corporate \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	57,464	51,964
Loans, total non-accrual	215	195
Corporate \| Lease financing
Loans receivable
Loans, net of unearned income	1,531	1,655
Loans, total non-accrual	0	46
Corporate \| Other
Loans receivable
Loans, net of unearned income	62,357	60,331
Loans, total non-accrual	75	103
Corporate \| Private Banking loans managed on a delinquency basis
Loans receivable
Loans, net of unearned income	27,602	25,674
Corporate \| Investment Grade
Loans receivable
Loans, net of unearned income	259,992	242,326
Corporate \| Investment Grade \| Commercial and industrial
Loans receivable
Loans, net of unearned income	102,722	101,313
Corporate \| Investment Grade \| Financial institutions
Loans receivable
Loans, net of unearned income	73,080	60,404
Corporate \| Investment Grade \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	25,855	23,213
Corporate \| Investment Grade \| Lease financing
Loans receivable
Loans, net of unearned income	1,036	1,090
Corporate \| Investment Grade \| Other
Loans receivable
Loans, net of unearned income	57,299	56,306
Corporate \| Non-Investment Grade
Loans receivable
Loans, net of unearned income	62,912	61,029
Corporate \| Non-Investment Grade \| Commercial and industrial
Loans receivable
Loans, net of unearned income	41,645	38,503
Loans, total non-accrual	919	1,506
Corporate \| Non-Investment Grade \| Financial institutions
Loans receivable
Loans, net of unearned income	10,686	13,261
Loans, total non-accrual	102	92
Corporate \| Non-Investment Grade \| Mortgage and real estate
Loans receivable
Loans, net of unearned income	3,793	2,881
Loans, total non-accrual	215	195
Corporate \| Non-Investment Grade \| Lease financing
Loans receivable
Loans, net of unearned income	496	518
Loans, total non-accrual	0	46
Corporate \| Non-Investment Grade \| Other
Loans receivable
Loans, net of unearned income	4,981	3,924
Loans, total non-accrual	$ 75	$ 103

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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.

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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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