Deposits (Tables)

12 Months Ended

Dec. 31, 2016

Deposits [Abstract]

Summary of Deposits

	December 31,
	2016		2015
	(Dollars in millions)
Noninterest-bearing deposits	$	50,697	$	45,695
Interest checking	30,263		25,410
Money market and savings	64,883		60,461
Time deposits	14,391		17,558
Total deposits	$	160,234	$	149,124
Time deposits $100,000 and greater	$	5,394	$	7,562
Time deposits $250,000 and greater	2,179		3,497