Consolidated Statements of Comprehensive Earnings - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from contracts with customers	$ 5,796	$ 3,120	$ 10,291	$ 5,698
Oil, gas and NGL derivatives	(170)	(703)	(853)	(1,231)
Total revenues	5,626	2,417	9,438	4,467
Production expenses	729	513	1,347	971
Exploration expenses	10	3	12	6
Depreciation, depletion and amortization	528	536	1,017	1,003
Asset dispositions	(14)	(87)	(15)	(119)
General and administrative expenses	84	94	178	201
Financing costs, net	84	80	169	157
Restructuring and transaction costs	0	23	0	212
Other, net	10	(14)	(51)	(43)
Total expenses	3,131	2,113	5,681	4,195
Earnings before income taxes	2,495	304	3,757	272
Income tax expense (benefit)	557	43	824	(205)
Net earnings (loss)	1,938	261	2,933	477
Net earnings attributable to noncontrolling interests	6	5	12	8
Net earnings (loss) attributable to Devon	$ 1,932	$ 256	$ 2,921	$ 469
Net earnings per share:
Basic net earnings per share:	$ 2.94	$ 0.38	$ 4.42	$ 0.70
Diluted net earnings per share:	$ 2.93	$ 0.38	$ 4.40	$ 0.70
Comprehensive earnings:
Net earnings	$ 1,938	$ 261	$ 2,933	$ 477
Other comprehensive earnings, net of tax:
Pension and postretirement plans	1	3	2	26
Other comprehensive earnings, net of tax	1	3	2	26
Comprehensive earnings:	1,939	264	2,935	503
Comprehensive earnings attributable to noncontrolling interests	6	5	12	8
Comprehensive earnings attributable to Devon	1,933	259	2,923	495
Oil, Gas and NGL Sales [Member]
Revenues from contracts with customers	4,100	2,154	7,275	3,911
Marketing and Midstream Revenues [Member]
Revenues from contracts with customers	1,696	966	3,016	1,787
Marketing and Midstream Expenses [Member]
Expenses	$ 1,700	$ 965	$ 3,024	$ 1,807