Share-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-Based Compensation
Total share-based compensation expense	$ 11	$ 12	$ 36	$ 20
Performance Unit Awards
Share-Based Compensation
Total share-based compensation expense	0	0	0	(3)
Phantom Unit Awards | CVR Partners | CVR Partners LTIP
Share-Based Compensation
Total share-based compensation expense	(3)	7	11	12
Incentive Unit Awards
Share-Based Compensation
Total share-based compensation expense	$ 14	$ 5	$ 25	$ 11