Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary Of Unvested Restricted Stock Awards and Units, Performance-Based Restricted Stock Awards And Performance Share Units

						Performance-Based					Performance
	Restricted Stock Awards					Restricted Stock Awards					Share Units
	Awards			Weighted Average Grant-Date Fair Value		Awards			Weighted Average Grant-Date Fair Value		Units					Weighted Average Grant-Date Fair Value
	(Thousands, except fair value data)
Unvested at 12/31/19		4,984		$	29.65		153		$	33.88		2,155				$	40.35
Granted		3,056		$	21.90		—		$	—		688				$	27.89
Vested		(2,388	)	$	28.96		(109	)	$	29.51		(455	)			$	52.56
Forfeited		(336	)	$	24.52		—		$	—		(394	)			$	47.30
Unvested at 12/31/20		5,316		$	25.82		44		$	44.70		1,994		(1	)	$	31.89

(1) A maximum of 3.2 million common shares could be awarded based upon Devon’s final TSR ranking.

Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Aggregate Fair Value Of Awards And Units Table Text Block

	2020		2019		2018
Restricted Stock Awards and Units	$	44	$	127	$	111
Performance-Based Restricted Stock Awards	$	2	$	4	$	10
Performance Share Units	$	10	$	4	$	20

Summary of Unrecognized Compensation Cost And Weighted Average Period For Recognition

			Performance-Based
	Restricted Stock		Restricted Stock		Performance
	Awards		Awards		Share Units
Unrecognized compensation cost	$	70	$	—	$	10
Weighted average period for recognition (years)		2.4		0.4		1.7

Summary Of Performance Share Units Grant-Date Fair Values And Their Related Assumptions

	2020			2019					2018
Grant-date fair value		$	27.89	$	28.43	—	$	29.53	$	36.23	—	$	37.88
Risk-free interest rate	1.36%			2.48%					2.28%
Volatility factor	38.4%			39.1%					45.8%
Contractual term (years)	2.89			2.89					2.89