DEPOSITS - Maturities of Term Deposits Greater than $100,000 (Details) $ in Millions	Dec. 31, 2016 USD ($)
Contractual Maturities, Time Deposits, $100,000 or More [Abstract]
Three months or less	$ 3,531
After three months through six months	1,152
After six months through twelve months	2,671
After twelve months	850
Total term deposits	$ 8,204

No definition available.

Name:	us-gaap_ContractualMaturitiesTimeDeposits100000OrMoreAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more, maturing after twelve months from the balance sheet date.

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