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Income Taxes | 3 Months Ended
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Mar. 31, 2023
Income Tax Disclosure [Abstract] |
Income Taxes | 7. Inco me Taxes The following table presents Devon’s total income tax expense and a reconciliation of its effective income tax rate to the U.S. statutory income tax rate.
|  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Earnings before income taxes |  | $ | 1,224 |  |  | $ | 1,262 |
Current income tax expense |  | $ | 141 |  |  | $ | 103 |
Deferred income tax expense |  |  | 80 |  |  |  | 164 |
Total income tax expense |  | $ | 221 |  |  | $ | 267 |
U.S. statutory income tax rate |  |  | 21 | % |  |  | 21 | %
State income taxes |  |  | 1 | % |  |  | 1 | %
Other |  |  | (4 | %) |  |  | (1 | %)
Effective income tax rate |  |  | 18 | % |  |  | 21 | %
On August 16, 2022 the IRA was signed into law and included various income tax related provisions with effective dates generally beginning in 2023. Among the enacted provisions are a 15% corporate alternative minimum tax ("CAMT") and several new and expanded clean energy credits and incentives. Dependent upon future regulations, Devon believes it is subject to the CAMT as Devon has an average annual adjusted financial statement income that exceeds $1 billion for the three-year period ended December 31, 2022. In the first quarter of 2023, Devon recognized income tax credits associated with its qualified research activities performed during the 2018 to 2021 tax years. The impact of these credits is included within Other in the table above.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI https://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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