ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Payable and Accrued Liabilities, Current [Abstract]
Accounts payable	$ 2,035	$ 1,473
Salaries, wages and other compensation	334	312
PT-FI contingencies	259	196
Accrued interestb	203	243
Deferred revenue	191	65
Pension, postretirement, postemployment and other employee benefits	190	91
Accrued taxes, other than income taxes	64	76
Leases	38	38
Litigation accruals	28	86
Other	153	128
Accounts payable and accrued liabilities	3,495	2,708
Cash interest paid, net	$ 640	$ 472	$ 591