LEASES 3 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 215	$ 206
Operating cash flows for finance leases	24	32
Financing cash flows for finance leases	67	65
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	350	245
Finance leases	$ 32	$ 27