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INCOME TAXES | 6 Months Ended
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Jun. 30, 2022
Income Tax Disclosure [Abstract] |
INCOME TAXES | INCOME TAXES The following table summarizes our Income tax expense:
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
(in millions, except percentages) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Income before income taxes |  | $ | 1,503 |  |  | $ | 1,817 |  |  | $ | 1,351 |  |  | $ | 4,081 |
Income tax expense |  | $ | (368) |  |  | $ | (300) |  |  | $ | (204) |  |  | $ | (842) |
Effective tax rate |  | 24.5 | % |  | 16.5 | % |  | 15.1 | % |  | 20.6 | %
Our effective income tax rate of 24.5% for the three months ended June 30, 2022 is higher than the U.S. federal statutory rate of 21% primarily due to unfavorable changes in the fair value of our equity investments that are non-deductible for income tax purposes. Our effective income tax rate of 15.1% for the six months ended June 30, 2022 is lower than the U.S. federal statutory rate of 21% primarily due to a decrease in state deferred tax liabilities associated with a partial IPR&D impairment charge of $2.7 billion, partially offset by unfavorable changes in the fair value of our equity investments that are non-deductible for income tax purposes. Our effective income tax rate of 16.5% for the three months ended June 30, 2021 is lower than the U.S. federal statutory rate of 21% primarily due to discrete deferred tax benefits related to an intra-entity transfer of intangible assets and the donation of certain equity securities at fair value to the Foundation, partially offset by unfavorable changes in the fair value of our equity investment in Galapagos that are non-deductible for income tax purposes. Our effective income tax rate of 20.6% for the six months ended June 30, 2021 is lower than the U.S. federal statutory rate of 21% primarily due to net discrete tax benefits related to settlements with tax authorities, in addition to the above mentioned items for the three months ended June 30, 2021. Our income tax returns are subject to audit by federal, state and foreign tax authorities. We are currently under examination by the Internal Revenue Service and Irish tax authorities for our 2016 to 2018 tax years. There are differing interpretations of tax laws and regulations, and as a result, significant disputes may arise with these tax authorities involving issues of the timing and amount of deductions and allocations of income among various tax jurisdictions. We periodically evaluate our exposures associated with our tax filing positions.

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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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