Deferred Charges and Other Assets

12 Months Ended

Dec. 31, 2022

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

DEFERRED CHARGES AND OTHER ASSETS

6.    DEFERRED CHARGES AND OTHER ASSETS

“Deferred charges and other assets, net” consisted of the following (in millions):

	December 31,
	2022		2021
Deferred turnaround and catalyst costs, net	$	2,139	$	1,853
Operating lease ROU assets, net (see Note 4)	1,114		1,284
Investments in nonconsolidated joint ventures	724		734
Purchased compliance credits	543		222
Goodwill	260		260
Intangible assets, net	202		218
Income taxes receivable	26		586
Other	863		719
Deferred charges and other assets, net	$	5,871	$	5,876

Amortization expense for deferred turnaround and catalyst costs and intangible assets was $745 million, $695 million, and $748 million for the years ended December 31, 2022, 2021, and 2020, respectively.

The entire balance of goodwill is related to our Refining segment. See Note 16 for information on our reportable segments.