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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of U.S. and Foreign Pre-tax Income Table Pre-tax income applicable to U.S. and foreign operations is as follows: 
(Millions of dollars)
Year Ended December 31,
202020192018
United States$1,253 $1,161 $931 
Foreign (a)2,131 1,766 4,118 
Total income before income taxes$3,384 $2,927 $5,049 
(a) 2019 includes a $164 million gain related to the Praxair India divestiture and 2018 includes a $3,294 million gain related to the Praxair Europe divestiture (See Note 2).
Schedule of the Provision for Income Taxes Table
The following is an analysis of the provision for income taxes: 
(Millions of dollars)
Year Ended December 31,
2020
2019 (a)
2018(b)
Current tax expense (benefit)
U.S. federal$185 $64 $390 
State and local17 39 (7)
Foreign1,013 969 620 
1,215 1,072 1,003 
Deferred tax expense (benefit)
U.S. federal20 85 
State and local— 15 
Foreign(395)(388)(209)
(368)(303)(186)
Total income taxes$847 $769 $817 
(a)2019 includes $70 million related to divestitures, foreign current tax expense of $48 million and foreign deferred tax expense of $22 million.
(b)2018 includes a benefit of $61 million related to the Tax Act (See below) and a charge of $371 million ($252 million U.S., $4 million state, $114 million foreign current tax expense and $1 million of U.S. deferred income tax expense) related to divestitures (See Note 2).
Schedule of the Difference Between the Actual Income Tax Provision and the Amount Computed By Applying the US Statutory Income Tax Rate Table An analysis of the difference between the provision for income taxes and the amount computed by applying the U.S. statutory income tax rate to pre-tax income follows:      
(Dollar amounts in millions)
Year Ended December 31,
202020192018
U.S. statutory income tax$711 21.0 %$615 21.0 %$1,060 21.0 %
State and local taxes – net of federal benefit21 0.6 %31 1.1 %30 0.6 %
U.S. tax credits and deductions (a)(8)(0.2)%(31)(1.1)%(12)(0.2)%
Foreign tax differentials (b)167 4.9 %113 3.9 %57 1.1 %
Share-Based compensation(53)(1.6)%(41)(1.4)%(22)(0.4)%
Tax Act— — %— — %(61)(1.2)%
Divestitures (c)— — %36 1.2 %(321)(6.4)%
Other – net (d)0.3 %46 1.6 %86 1.7 %
Provision for income taxes$847 25.0 %$769 26.3 %$817 16.2 %
 
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(a)U.S. tax credits and deductions relate to foreign derived intangible income and the research and experimentation tax credit in 2020, 2019 and 2018.
(b)Primarily related to differences between the U.S. tax rate and the statutory tax rate in the countries where the company operates. Other permanent items and tax rate changes were not significant.
(c)Divestitures primarily relate to the sale of the company’s Indian business in 2019 and European business in 2018 (See Note 2).
(d)Other - net includes $11 million, $26 million and $34 million of U.S tax related to Global Intangible Low-Taxed Income in 2020, 2019 and 2018, respectively and an increase in unrecognized tax benefits in Europe of $44 million in 2018.
Schedule of the Composition of the Net Deferred Tax Liabilities in the Consolidated Balance Sheets Table Net deferred tax liabilities included in the consolidated balance sheets are comprised of the following: 
(Millions of dollars)
December 31,
20202019
Deferred tax liabilities
Fixed assets$3,430 $3,539 
Goodwill173 145 
Other intangible assets3,703 3,688 
Subsidiary/equity investments609 664 
Other (a)791 789 
$8,706 $8,825 
Deferred tax assets
Carryforwards$386 $441 
Benefit plans and related (b)814 721 
Inventory70 72 
Accruals and other (c)1,243 1,167 
$2,513 $2,401 
Less: Valuation allowances (d)(243)(222)
$2,270 $2,179 
Net deferred tax liabilities$6,436 $6,646 
Recorded in the consolidated balance sheets as (Note 7):
Other long-term assets268 243 
Deferred credits6,704 6,889 
$6,436 $6,646 
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(a)Includes $255 million in 2020 and 2019 related to right-of-use lease assets.
(b)Includes deferred taxes of $560 million and $446 million in 2020 and 2019, respectively, related to pension / OPEB funded status (See Notes 7 and 16).
(c)Includes $255 million in 2020 and 2019 related to lease liabilities and $63 million and $81 million in 2020 and 2019, respectively, related to research and development costs.
(d)Summary of valuation allowances relating to deferred tax assets follows (millions of dollars):
202020192018
Balance, January 1,$(222)$(237)$(76)
Income tax (charge) benefit(21)(31)(51)
Merger with Linde AG— 18 (121)
Other, including write-offs (i)26 
Translation adjustments(2)
Balance, December 31,$(243)$(222)$(237)
(i)2019 includes $26 million related to the squeeze out of Linde AG (See Note 14).
Schedule of Valuation Allowances Relating To Deferred Tax Assets Table Summary of valuation allowances relating to deferred tax assets follows (millions of dollars):
202020192018
Balance, January 1,$(222)$(237)$(76)
Income tax (charge) benefit(21)(31)(51)
Merger with Linde AG— 18 (121)
Other, including write-offs (i)26 
Translation adjustments(2)
Balance, December 31,$(243)$(222)$(237)
(i)2019 includes $26 million related to the squeeze out of Linde AG (See Note 14).
Schedule of Reconciliation of Unrecognized Tax Benefits Table
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows: 
(Millions of dollars)202020192018
Unrecognized income tax benefits, January 1$472 $319 $54 
Additions for tax positions of prior years (a)35 151 104 
Reductions for tax positions of prior years(34)(3)(7)
Additions for current year tax positions (b)11 33 179 
Reductions for settlements with taxing authorities (c)(39)(26)(3)
Foreign currency translation and other(2)(8)
Unrecognized income tax benefits, December 31$452 $472 $319 
 
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(a)Increase primarily relates to tax positions in the United States and Europe, $66 million in 2019 related to the merger with Linde AG.
(b)2018 includes $167 million related to the merger with Linde AG.
(c)Settlements are uncertain tax positions that were effectively settled with the taxing authorities, including positions where the company has agreed to amend its tax returns to eliminate the uncertainty.
Schedule of Open Tax Years Subject to Examination by Major Jurisdiction Table
As of December 31, 2020, the company remained subject to examination in the following major tax jurisdictions for the tax years as indicated below: 
Major tax jurisdictionsOpen Years
North and South America
United States2017 through 2020
Canada2013 through 2020
Mexico2014 through 2020
Brazil2003 through 2020
Europe and Africa
France2014 through 2020
Germany2015 through 2020
Netherlands2015 through 2020
Republic of South Africa2017 through 2020
Spain2006 through 2020
United Kingdom2015 through 2020
Asia and Australia
Australia2016 through 2020
China2015 through 2020
India2006 through 2020
South Korea2015 through 2020
Taiwan2015 through 2020