Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Receivables:
Allowance for doubtful accounts receivable	$ 13	$ 13
Property, plant, and equipment:
Accumulated depreciation	431	419
PP&E owned by a VIE, net	19	24
Accumulated amortization	$ 291	$ 228
KBR shareholders’ equity:
Preferred stock, par value (usd per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	179,983,586	179,087,655
Common stock, shares outstanding (in shares)	139,786,136	140,766,052
Treasury stock (in shares)	40,197,450	38,321,603

Tangible assets that are held by a consolidated variable interest entity that can be used only to settle obligations of the consolidated variable interest entity. These assets are for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, and production equipment.

No definition available.