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Share-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of share-based compensation expense
A summary of compensation expense during the three and six months ended June 30, 2021 and 2020 is presented below:
Three Months Ended
June 30,
Six Months Ended
June 30,
(in millions)2021202020212020
Performance Unit Awards$ $— $(3)$— 
CVR Partners LTIP - Phantom Unit Awards7 — 12 — 
Incentive Unit Awards5 11 
Total Share-Based Compensation Expense$12 $$20 $