LEASES 4 (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 224
Operating cash flows from finance leases	32
Financing cash flows from finance leases	61
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	179
Finance leases	$ 34