Commitments, Contingencies and Guarantees (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Summary of Commitments

The following table summarizes the Company's commitments.

(Dollars in millions)	December 31, 2015
Commitments to extend credit	$	35,514
Issued standby and commercial letters of credit	$	5,686
Other commitments	$	115