VARIABLE INTEREST ENTITIES

The Company makes equity investments in various entities that are considered VIEs, as defined by GAAP. A VIE typically does not have sufficient equity at risk to finance its activities without additional subordinated financial support from other parties. The Company’s variable interest arises from contractual, ownership or other monetary interests in the entity, which change with fluctuations in the fair value of the entity's net assets. The Company consolidates a VIE if it is the primary beneficiary of the entity. The Company is the primary beneficiary of a VIE if its variable interest provides it with the power to direct the activities that most significantly impact the VIE and the right to receive benefits (or the obligation to absorb losses) that could potentially be significant to the VIE. To determine whether or not a variable interest held could potentially be significant to the VIE, the Company considers both qualitative and quantitative factors regarding the nature, size and form of its involvement with the VIE. The Company assesses whether or not it is the primary beneficiary of a VIE on an ongoing basis.

The Company’s equity investments primarily include ownership interests in limited partnerships that sponsor affordable housing projects and ownership interests in limited liability companies that sponsor renewable energy projects. The Company’s maximum exposure to loss as a result of its involvement with these entities is limited to the balance sheet carrying amounts of its equity investments. A summary of these investments is presented below:



	December 31,
(in millions)	2017		2016
LIHTC investment included in other assets		$951		$793
LIHTC unfunded commitments included in other liabilities	491		428
Renewable energy investments included in other assets	335		220

Low Income Housing Tax Credit Partnerships

The purpose of the Company’s equity investments is to assist in achieving goals of the Community Reinvestment Act and to earn an adequate return of capital. LIHTC partnerships are managed by unrelated general partners that have the power to direct the activities which most significantly affect the performance of the partnerships. The Company is therefore not the primary beneficiary of any LIHTC partnerships. Accordingly, the Company does not consolidate these VIEs and accounts for these investments in other assets on the Consolidated Balance Sheets.

The Company applies the proportional amortization method to account for its LIHTC investments. Under the proportional amortization method, the Company applies a practical expedient and amortizes the initial cost of the investment in proportion to the tax credits received in the current period as compared to the total tax credits expected to be received over the life of the investment. The amortization and tax benefits are included as a component of income tax expense. The tax credits received are reported as a reduction of income tax expense (or increase to income tax benefit) related to these transactions.

The following table presents other information related to the Company’s affordable housing tax credit investments:



	Year Ended December 31,
(in millions)	2017		2016
Tax credits included in income tax expense		$83		$59
Amortization expense included in income tax expense	94		59
Other tax benefits included in income tax expense	31		21

No LIHTC investment impairment losses were recognized during the years ended December 31, 2017 and 2016.

Renewable Energy Entities

The Company’s investments in renewable energy entities provide benefits from a return generated by government incentives plus other tax attributes that are associated with tax ownership (e.g., tax depreciation). As a tax equity investor, the Company does not have the power to direct the activities which most significantly affect the performance of these entities and therefore is not the primary beneficiary of any renewable energy entities. Accordingly, the Company does not consolidate these VIEs.