LEASES - Lease Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Operating Leases:
2020	$ 95
2021	93
2022	90
2023	81
2024	23
Thereafter	71
Total lease payments	453
Less: Interest	(38)
Present value of lease liabilities	$ 415
Lease obligation under ASC 840
2019		$ 81
2020		74
2021		69
2022		67
2023		63
Thereafter		$ 66

Amount of lessee's undiscounted obligation for lease payments for operating lease.

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