Deposits Deposits (Scheduled Maturities Of Time Deposits) (Tables)

12 Months Ended

Dec. 31, 2017

Deposits (Scheduled Maturities Of All Time Deposits) [Abstract]

Time Deposit Maturities [Table Text Block]

(In millions)
2018	$	2,584
2019	256
2020	132
2021	85
2022	57
Thereafter	1
Total	$	3,115

Time Deposits Denomination of $100,000 and Over [Table Text Block]

(In millions)	December 31, 2017
Three months or less	$	1,023
After three months through six months	485
After six months through twelve months	508
After twelve months	312
Total	$	2,328