SHAREHOLDERS' INTEREST - Reconciliation of Our Common Share Activity (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class Of Stock [Line Items]
Outstanding at beginning of year	747,385	745,300	746,391
Repurchased	(2,730)	0	(2,349)
Outstanding at end of year	747,301	747,385	745,300
Stock options
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	1,849	1,441	660
Vested restricted stock units
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	635	574	480
Vested performance share units
Class Of Stock [Line Items]
Stock issued under share-based payment arrangement	162	70	118