SUPPLEMENTAL CASH FLOW INFORMATION (Cash Transactions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]
Interest Paid, Net of Amounts Capitalized	$ 76	$ 76	$ 80
Income Tax Refunds	$ 0	$ (14)	$ (14)