NOTES RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2018

Receivables [Abstract]

Notes Receivable Expected Future Principal Payments

The following table presents the expected future principal payments, net of reserves and unamortized discounts, as well as interest rates for our notes receivable as of year-end 2018:

Notes Receivable Principal Payments ($ in millions)	Amount
2019	$	6
2020	62
2021	2
2022	2
2023	—
Thereafter	59
Balance at year-end 2018	$	131
Weighted average interest rate at year-end 2018	5.9%
Range of stated interest rates at year-end 2018	0 - 9%