Interest And Other Income (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Interest And Other Income

The components of interest and other income (loss) are as follows:

	Year Ended December 31,
	2020		2019		2018
	(in millions)
Severance and sales tax refunds	$	13	$	6	$	1
Deferred compensation plan income (loss)	7		15		(2)
Interest income	5		17		29
Seismic data sales	2		5		5
Gain on sale of investment in Hidden Ridge Building (Note 10)	—		56		—
Contingent consideration valuation adjustment (Note 4)	(42)		(45)		—
Investment in affiliate valuation adjustment (Note 4)	(64)		15		—
Other	12		7		5
Interest and other income (loss), net	$	(67)	$	76	$	38