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Notes Receivable (Policy)
12 Months Ended
Dec. 31, 2016
Notes Receivable [Abstract]  
Allowance For Loan Losses Policy

Unearned income associated with loan fees was $84 million at December 31, 2016 and $82 million at December 31, 2015. Unearned income associated with loan fees for notes receivable held for sale was $8 million at December 31, 2016 and $3 million at December 31, 2015.

The allowance for loan losses is a valuation allowance to reflect estimated credit losses. The allowance is increased by the provision for loan losses and decreased by loan charge-offs net of recoveries. Management estimates the allowance balance required by taking into consideration historical loan loss experience, the nature and volume of the portfolio, economic conditions, and other factors. Loan losses are charged against the allowance when the loss is confirmed, but no later than the point at which a loan becomes 120 days past due.