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INCOME PER COMMON SHARE - Reconciliations of the Numerators and Denominators Used in the Computations of Basic and Diluted Earnings per Common Share (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Numerator (basic and diluted): |  |  |
Income from continuing operations | $ 844 | $ 410 | $ 810
Less: Allocation to redeemable noncontrolling interest | (2) | 2 | 0
Less: Allocation to unvested restricted stock awards | 4 | 2 | 6
Income from continuing operations attributable to common shareholders | 842 | 406 | 804
Income from discontinued operations, net | 0 | 0 | 414
Less: Allocation to unvested restricted stock awards | 0 | 0 | 3
Income from discontinued operations, net attributable to common shareholders | 0 | 0 | 411
Net income attributable to common shareholders | $ 842 | $ 406 | $ 1,215
Denominator: |  |  |
Basic common shares (based upon weighted average) (in shares) | 231 | 249 | 264
Add: Stock option dilution (in shares) | 1 | 2 | 0
Diluted common shares (in shares) | 232 | 251 | 264

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