Commitments, Contingencies and Guarantees (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Summary of Commitments

The following table summarizes the Company's commitments.

(Dollars in millions)	December 31, 2016
Commitments to extend credit	$	32,162
Issued standby and commercial letters of credit	5,847
Commitments to enter into forward-starting resale agreements	293
Other commitments	1,588