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Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Taxes on income
Income Taxes
Year ended December 31
202120202019
Income tax expense (benefit)
U.S. federal
Current$174 $(182)$(73)
Deferred1,004 (1,315)(1,074)
State and local
Current222 65 153 
Deferred202 (152)(172)
Total United States1,602 (1,584)(1,166)
International
Current4,854 1,833 4,577 
Deferred(506)(2,141)(720)
Total International4,348 (308)3,857 
Total income tax expense (benefit)$5,950 $(1,892)$2,691 
Reconciliation between the U.S. statutory federal income tax rate and the company's effective income tax rate The reconciliation between the U.S. statutory federal income tax rate and the company’s effective income tax rate is detailed in the following table:
202120202019
Income (loss) before income taxes
 United States$9,674 $(5,700)$(5,483)
 International11,965 (1,753)11,019 
Total income (loss) before income taxes21,639 (7,453)5,536 
Theoretical tax (at U.S. statutory rate of 21% )4,544 (1,565)1,163 
Effect of U.S. tax reform — 
Equity affiliate accounting effect(890)211 (687)
Effect of income taxes from international operations2,692 (39)2,196 
State and local taxes on income, net of U.S. federal income tax benefit
216 (65)(18)
Prior year tax adjustments, claims and settlements 1
362 (236)192 
Tax credits(173)(33)(18)
Other U.S. 1, 2
(801)(165)(140)
Total income tax expense (benefit)$5,950 $(1,892)$2,691 
Effective income tax rate27.5 %25.4 %48.6 %
1 Includes one-time tax costs (benefits) associated with changes in uncertain tax positions.
2 Includes one-time tax costs (benefits) associated with changes in valuation allowances (2021 - $(624); 2020 - $0; 2019 - $0).
Composition of deferred tax balances The reported deferred tax balances are composed of the following:
At December 31
20212020
Deferred tax liabilities
Properties, plant and equipment$17,169 $16,603 
Investments and other4,105 5,617 
Total deferred tax liabilities21,274 22,220 
Deferred tax assets
Foreign tax credits(11,718)(10,585)
Asset retirement obligations/environmental reserves(4,553)(4,721)
Employee benefits(3,037)(3,856)
Deferred credits(996)(1,056)
Tax loss carryforwards(4,175)(6,701)
Other accrued liabilities(239)(228)
Inventory(289)(633)
Operating leases (1,255)(1,234)
Miscellaneous(3,657)(3,685)
Total deferred tax assets(29,919)(32,699)
Deferred tax assets valuation allowance17,651 17,762 
Total deferred taxes, net$9,006 $7,283 
Classification of deferred taxes
At December 31, 2021 and 2020, deferred taxes were classified on the Consolidated Balance Sheet as follows:
At December 31
20212020
Deferred charges and other assets$(5,659)$(5,286)
Noncurrent deferred income taxes14,665 12,569 
Total deferred income taxes, net$9,006 $7,283 
Changes to the Company's unrecognized tax benefits
The following table indicates the changes to the company’s unrecognized tax benefits for the years ended December 31, 2021, 2020 and 2019. The term “unrecognized tax benefits” in the accounting standards for income taxes refers to the differences between a tax position taken or expected to be taken in a tax return and the benefit measured and recognized in the financial statements. Interest and penalties are not included.
202120202019
Balance at January 1$5,018 $4,987 $5,070 
Foreign currency effects(1)
Additions based on tax positions taken in current year194 253 94 
Additions for tax positions taken in prior years
218 437 313 
Reductions for tax positions taken in prior years
(36)(216)(194)
Settlements with taxing authorities in current year
(18)(429)(78)
Reductions as a result of a lapse of the applicable statute of limitations
(87)(16)(219)
Balance at December 31$5,288 $5,018 $4,987 
Taxes other than on income
Taxes Other Than on Income
Year ended December 31
202120202019
United States
Import duties and other levies7 
Property and other miscellaneous taxes
3,378 2,248 1,785 
Payroll taxes302 235 254 
Taxes on production628 317 355 
Total United States4,315 2,807 2,396 
International
Import duties and other levies49 39 35 
Property and other miscellaneous taxes
2,225 1,461 1,435 
Payroll taxes113 117 125 
Taxes on production138 75 145 
Total International2,525 1,692 1,740 
Total taxes other than on income$6,840 $4,499 $4,136