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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Income Taxes Charged to Income (Loss)
Components of income tax provision (benefit) were:
Millions of Dollars
202220212020
Income Taxes
Federal
Current$1,263 32 
Deferred1,629 1,161 (625)
Foreign
Current5,813 3,128 350 
Deferred387 66 (70)
State and local
Current386 127 (4)
Deferred70 119 (139)
Total tax provision (benefit)$9,548 4,633 (485)
Components of Deferred Tax Liabilities and Assets
Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for tax purposes. Major components of deferred tax liabilities and assets at December 31 were:
Millions of Dollars
20222021
Deferred Tax Liabilities
PP&E and intangibles$11,100 10,170 
Inventory48 44 
Other190 213 
Total deferred tax liabilities11,338 10,427 
Deferred Tax Assets
Benefit plan accruals450 321 
Asset retirement obligations and accrued environmental costs2,333 2,297 
Investments in joint ventures1,917 1,684 
Other financial accruals and deferrals736 827 
Loss and credit carryforwards6,354 7,402 
Other112 399 
Total deferred tax assets11,902 12,930 
Less: valuation allowance(8,049)(8,342)
Total deferred tax assets net of valuation allowance3,853 4,588 
Net deferred tax liabilities$7,485 5,839 
Reconciliation of Deferred Tax Asset Valuation Allowance
The following table shows a reconciliation of the beginning and ending deferred tax asset valuation allowance for 2022, 2021 and 2020:
Millions of Dollars
202220212020
Balance at January 1$8,342 9,965 10,214 
Charged to expense (benefit)5 (45)460 
Other*(298)(1,578)(709)
Balance at December 31
$8,049 8,342 9,965 
*Represents changes due to originating deferred tax assets that have no impact to our effective tax rate, acquisitions/dispositions/revisions and the effect of translating foreign financial statements.
Reconciliation of Unrecognized Tax Benefits
The following table shows a reconciliation of the beginning and ending unrecognized tax benefits for 2022, 2021 and 2020:
Millions of Dollars
202220212020
Balance at January 1$1,345 1,206 1,177 
Additions based on tax positions related to the current year6 15 
Additions for tax positions of prior years6 177 67 
Reductions for tax positions of prior years(62)(5)(34)
Settlements(510)— (9)
Lapse of statute(75)(48)(1)
Balance at December 31
$710 1,345 1,206 
Effective Income Tax Rate Reconciliation
The amounts of U.S. and foreign income (loss) before income taxes, with a reconciliation of tax at the federal statutory rate to the provision for income taxes, were:
Millions of DollarsPercent of Pre-Tax Income (Loss)
202220212020202220212020
Income (loss) before income taxes
United States$16,739 8,024 (3,587)59.3 %63.1 114.2 
Foreign11,489 4,688 447 40.7 36.9 (14.2)
$28,228 12,712 (3,140)100.0 %100.0 100.0 
Federal statutory income tax$5,928 2,670 (659)21.0 %21.0 21.0 
Non-U.S. effective tax rates3,866 1,915 194 13.7 15.1 (6.2)
Australia disposition — (349) — 11.1 
Recovery of outside basis(30)(55)(22)(0.1)(0.4)0.7 
Adjustment to tax reserves(551)(11)18 (2.0)(0.1)(0.6)
Adjustment to valuation allowance5 (45)460  (0.4)(14.6)
State income tax405 194 (112)1.4 1.5 3.6 
Enhanced oil recovery credit(37)(99)(6)(0.1)(0.8)0.2 
Other(38)64 (9)(0.1)0.5 0.3 
Total$9,548 4,633 (485)33.8 %36.4 15.5