Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum required payments for CVR's operating lease agreements and unconditional purchase obligations

The minimum required payments for CVR’s operating lease agreements and unconditional purchase obligations are as follows:



Year Ending December 31,	Operating Leases		Unconditional Purchase Obligations
(in millions)
2019	$	24	$	129
2020	20		89
2021	18		78
2022	16		76
2023	12		75
Thereafter	26		444
	$	116	$	891

Leases - The Company leases equipment, including railcars and real properties, under long-term operating leases. For the years ended December 31, 2018, 2017 and 2016, rent expense totaled approximately $10 million, $8 million and $8 million, respectively.

Supply Commitments - The Company is a party to various supply agreements with both related and third parties which commit the Company to purchase minimum volumes of crude oil, hydrogen, oxygen, nitrogen, petroleum coke (“pet coke”), and natural gas to run its facilities’ operations. For the years ended December 31, 2018, 2017 and 2016. amounts purchased under these supply agreements totaled approximately $214 million, $209 million, and $151 million, respectively.