Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2021

Asset Retirement Obligation Disclosure [Abstract]

Summary Of Changes In Asset Retirement Obligations

The following table presents the changes in Devon’s asset retirement obligations.

	Six Months Ended June 30,
	2021			2020
Asset retirement obligations as of beginning of period	$	369		$	398
Assumed WPX obligations		98			—
Liabilities incurred		20			11
Liabilities settled and divested		(47	)		(21	)
Revision of estimated obligation		11			4
Accretion expense on discounted obligation		14			10
Asset retirement obligations as of end of period		465			402
Less current portion		15			11
Asset retirement obligations, long-term	$	450		$	391