Deferred Charges and Other Assets

12 Months Ended

Dec. 31, 2019

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

DEFERRED CHARGES AND OTHER ASSETS

7.

DEFERRED CHARGES AND OTHER ASSETS

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

	December 31,
	2019		2018
Deferred turnaround and catalyst costs, net	$	1,778	$	1,749
Operating lease ROU assets, net (see Note 5)	1,329		—
Investments in unconsolidated joint ventures	942		542
Income taxes receivable	525		343
Intangible assets, net	283		307
Goodwill	260		260
Other	514		431
Deferred charges and other assets, net	$	5,631	$	3,632

Amortization expense for deferred turnaround and catalyst costs and intangible assets was $759 million, $668 million, and $650 million for the years ended December 31, 2019, 2018, and 2017, respectively.