Customer Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Banking and Thrift [Abstract]

Schedule of customer deposits [Table Text Block]

Customer deposits consisted of the following:

	December 31,
	2017			2016
	(in millions)
Fixed rate certificates	$	5,837		$	5,353
Stock market certificates	520			547
Stock market embedded derivative	10			8
Other	33			27
Less: accrued interest classified in other liabilities	(12		)	(11		)
Total investment certificate reserves	6,388			5,924
Brokerage deposits	3,915			4,112
Total	$	10,303		$	10,036