Legal Proceedings, Contingencies and Commitments (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Summary of Contractual Amount of Significant Commitments

The following table is a summary of the contractual amount of significant commitments:

	March 31, 2019		December 31, 2018
	(Dollars in millions)
Commitments to extend credit
Mortgage loans interest-rate lock commitments	$	4,286	$	2,293
Warehouse loan commitments	2,222		2,334
Commercial and industrial commitments	1,007		918
Other commercial commitments	1,529		1,260
HELOC commitments	454		429
Other consumer commitments	189		108
Standby and commercial letters of credit	64		63