Significant Group Concentrations of Credit Risk Significant Group Concentrations of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2014

Significant Group Concentrations of Credit Risk [Abstract]

Schedule of Automotive Industry Outstanding Loans and Total Exposure

Outstanding loans, included in "commercial loans" on the consolidated balance sheets, and total exposure from loans, unused commitments and standby letters of credit to companies related to the automotive industry were as follows:

(in millions)
December 31	2014		2013
Automotive loans:
Production	$	1,236	$	1,229
Dealer	6,431		5,854
Total automotive loans	$	7,667	$	7,083
Total automotive exposure:
Production	$	2,408	$	2,316
Dealer	7,763		6,857
Total automotive exposure	$	10,171	$	9,173

Schedule of Commercial Real Estate Loans and Unused Commitments

Further, the Corporation’s portfolio of commercial real estate loans, which includes real estate construction and commercial mortgage loans, was as follows.

(in millions)
December 31	2014		2013
Real estate construction loans:
Commercial Real Estate business line (a)	$	1,606	$	1,447
Other business lines (b)	349		315
Total real estate construction loans	1,955		1,762
Commercial mortgage loans:
Commercial Real Estate business line (a)	1,790		1,678
Other business lines (b)	6,814		7,109
Total commercial mortgage loans	8,604		8,787
Total commercial real estate loans	$	10,559	$	10,549
Total unused commitments on commercial real estate loans	$	2,335	$	1,780

(a) Primarily loans to real estate developers.

(b) Primarily loans secured by owner-occupied real estate.