Commercial Paper and Other Short-Term Borrowings (Tables)

6 Months Ended

Jun. 30, 2016

Short-term Debt [Abstract]

Summary of Commercial Paper and Other Short-Term Borrowings

The following table is a summary of the Company's commercial paper and other short-term borrowings:

(Dollars in millions)	June 30, 2016		December 31, 2015
Federal funds purchased and securities sold under repurchase agreements, with weighted average interest rates of 0.41% and 0.30% at June 30, 2016 and December 31, 2015, respectively	$	35	$	44
Commercial paper, with a weighted average interest rate of 0.44% and 0.23% at June 30, 2016 and December 31, 2015, respectively	618		994
Federal Home Loan Bank advances, with a weighted average interest rate of 0.67% at June 30, 2016	4,050		—
Total commercial paper and other short-term borrowings	$	4,703	$	1,038