LEASES - Schedule of Outstanding Operating and Finance Obligations (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Leases
2020	$ 51
2021	43
2022	33
2023	30
2024	24
2025 and thereafter	158
Total undiscounted obligations	339
Less imputed interest	(84)
Present value of lease obligations	255
Finance Leases
2020	8
2021	8
2022	7
2023	7
2024	6
2025 and thereafter	16
Total undiscounted obligations	52
Less imputed interest	(14)
Present value of lease obligations	38
Total
2020	59
2021	51
2022	40
2023	37
2024	30
2025 and thereafter	174
Total undiscounted obligations	391
Less imputed interest	(98)
Present value of lease obligations	$ 293