Goodwill (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amount of goodwill was as follows:

	Millions of Dollars
	2019		2018
Beginning balance January 1	$	185	185
Activity during the year	—		—
Ending balance December 31	$	185	185