LOANS AND LEASES

A summary of the loans and leases portfolio follows:



(in millions)	September 30, 2014		December 31, 2013
Commercial		$30,356		$28,667
Commercial real estate	7,239		6,948
Leases	3,875		3,780
Total commercial	41,470		39,395
Residential, including originated home equity products	30,458		29,694
Home equity products serviced by others	1,870		2,171
Other secured retail	13,206		10,700
Unsecured retail	3,745		3,899
Total retail	49,279		46,464
Total loans and leases ^{(1) (2)}		$90,749		$85,859

⁽¹⁾ Excluded from the table above are loans held for sale totaling $208 million as of September 30, 2014 and $1.3 billion as of December 31, 2013. The December 31, 2013 loans held for sale balance primarily related to the Company's sale of certain assets and liabilities associated with its Chicago-area retail branches. For further discussion, see Note 13 "Divestitures and Branch Assets and Liabilities Held for Sale" to the Company's unaudited interim Consolidated Financial Statements included in Part I, Item 1 — Financial Information.

⁽²⁾ Mortgage loans serviced for others by the Company's subsidiaries are not included above, and amounted to $18.1 billion and $18.7 billion at September 30, 2014 and December 31, 2013, respectively.

Loans held for sale totaled $205 million and $176 million at September 30, 2014 and December 31, 2013, respectively, and consisted of residential mortgages originated for sale. Other loans held for sale totaled $3 million and $1.1 billion at September 30, 2014 and December 31, 2013, respectively. The other loans held for sale balance at December 31, 2013 primarily related to the Company's sale of certain assets and liabilities associated with its Chicago-area retail branches (the "Chicago Divestiture"). See Note 13 "Divestitures and Branch Assets and Liabilities Held for Sale" to the Company's unaudited interim Consolidated Financial Statements included in Part I, Item 1 — Financial Information for further details.

Loans pledged as collateral for FHLB borrowed funds totaled $19.5 billion and $19.0 billion at September 30, 2014 and December 31, 2013, respectively. This collateral consists primarily of residential mortgages and home equity loans. Loans pledged as collateral to support the contingent ability to borrow at the FRB discount window, if necessary, totaled $13.4 billion and $13.9 billion at September 30, 2014 and December 31, 2013, respectively.

During the nine months ended September 30, 2014, the Company purchased a portfolio of residential loans with an outstanding principal balance of $1.5 billion, a portfolio of auto loans with an outstanding principal balance of $1.3 billion and a portfolio of student loans with an outstanding principal balance of $59 million. In addition to the $1.0 billion loans sold as part of the Chicago Divestiture, the Company sold portfolios of residential mortgage loans with outstanding principal balances of $126 million and student loans of $357 million as well as commercial loans with an outstanding principal balance of $165 million during the nine months ended September 30, 2014. The Company had no loan portfolio purchase or sale transactions during the nine months ended September 30, 2013.