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SHARE-BASED PAYMENTS (Tables)
 12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Activity The following tables set forth activity and various statistics for our restricted stock unit awards:
Number of
Units		Weighted
Average Price
Nonvested December 31, 2022832,734 $58.30 
Granted (a)
1,667,473 $66.50 
Released to participants (b)
(698,906)$68.47 
Forfeited(76,736)$58.92 
Nonvested December 31, 20231,724,565 $62.08 
(a) - Includes 1,346,845 restricted stock unit awards granted in conjunction with the Magellan Acquisition.
(b) - Includes 488,929 restricted stock unit awards released to participants in conjunction with the Magellan Acquisition.

 202320222021
Weighted-average grant date fair value (per share)$66.50 $60.96 $46.84 
Fair value of units granted (millions of dollars)$111 $20 $20 
Grant date fair value of units vested (millions of dollars)$48 $14 $13 
The following tables set forth activity and various statistics related to the performance unit awards and the assumptions used in the valuations at the respective grant dates:
Number of
Units		Weighted
Average Price
Nonvested December 31, 20221,045,706 $74.15 
Granted369,222 $87.46 
Released to participants(235,874)$88.96 
Forfeited(84,114)$77.22 
Nonvested December 31, 20231,094,940 $75.22 
 202320222021
Volatility (a)63.30%61.10%60.30%
Dividend yield5.75%6.15%8.13%
Risk-free interest rate4.43%1.78%0.21%
(a) - Volatility was based on historical volatility over three years using daily stock price observations.
 202320222021
Weighted-average grant date fair value (per share)$87.46 $79.05 $62.03 
Fair value of units granted (millions of dollars)$32 $32 $34 
Grant date fair value of units vested (millions of dollars)$21 $20 $20