NOTES PAYABLE AND LEASE OBLIGATIONS - Contractual Maturities of Leases (Details) - USD ($) $ in Millions		Sep. 30, 2019	Dec. 31, 2018
Operating Leases
2019		$ 42
2020		25
2021		19
2022		10
2023		9
After 2023		30
Total lease payments		135
Less: Interest		10
Present value of lease liabilities	[1]	125	$ 0
Finance Leases
2019		4
2020		3
2021		3
2022		2
2023		1
After 2023		0
Total lease payments		13
Less: Interest		0
Present value of lease liabilities		13	$ 13
Total
2019		46
2020		28
2021		22
2022		12
2023		10
After 2023		30
Total lease payments		148
Less: Interest		10
Present value of lease liabilities		$ 138

[1] See Note 1 of the Notes to the Consolidated Financial Statements for the adoption of accounting guidance on January 1, 2019 related to leases.