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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The following table summarizes the difference between an income tax benefit at the United States statutory rate of 21% in 2018, and 35% in 2017 and 2016, respectively, and the income tax expense at effective worldwide tax rates for the respective periods:
Millions of dollars
 
2018
 
2017
 
2016
Earnings (loss) before income taxes
 
 
 
 
 
 
United States
 
$
729

 
$
671

 
$
605

Foreign
 
(750
)
 
216

 
509

Earnings (loss) before income taxes
 
(21
)
 
887

 
1,114

 
 
 
 
 
 
 
Income tax (benefit) expense computed at United States statutory rate
 
(4
)
 
310

 
390

U.S. government tax incentives
 
(11
)
 
(13
)
 
(9
)
Foreign government tax incentives, including BEFIEX
 
(21
)
 
(29
)
 
(11
)
Foreign tax rate differential
 
(24
)
 
(14
)
 
(50
)
U.S. foreign tax credits
 
(260
)
 
17

 
(86
)
Valuation allowances
 
75

 
(68
)
 
(121
)
State and local taxes, net of federal tax benefit
 
23

 
29

 
20

Foreign withholding taxes
 
24

 
41

 
36

U.S. tax on foreign dividends and subpart F income
 
72

 
12

 
63

Settlement of global tax audits
 
72

 
48

 
(40
)
U.S. Transition Tax
 
40

 
190

 

Changes in enacted tax rates
 
(54
)
 
49

 
32

Nondeductible goodwill
 
139

 

 

Nondeductible fines & penalties
 
30

 

 

Other items, net
 
37

 
(22
)
 
(38
)
Income tax computed at effective worldwide tax rates
 
$
138

 
$
550

 
$
186

Schedule of Components of Income Tax Expense (Benefit)
The following table summarizes our income tax (benefit) provision for 2018, 2017 and 2016:
 
2018
 
2017
 
2016
Millions of dollars
Current
 
Deferred
 
Current
 
Deferred
 
Current
 
Deferred
United States
$
(70
)
 
$
120

 
$
138

 
$
386

 
$
34

 
$
120

Foreign
182

 
(119
)
 
213

 
(233
)
 
167

 
(154
)
State and local
12

 
13

 
12

 
34

 
7

 
12

 
$
124

 
$
14

 
$
363

 
$
187

 
$
208

 
$
(22
)
Total income tax expense
 
 
$
138

 
 
 
$
550

 
 
 
$
186

Schedule of Deferred Tax Assets and Liabilities
The following table summarizes the significant components of our deferred tax liabilities and assets at December 31, 2018 and 2017:
Millions of dollars
 
2018
 
2017
Deferred tax liabilities
 
 
 
 
Intangibles
 
$
450

 
$
610

Property, net
 
195

 
185

LIFO inventory
 
37

 
38

Other
 
262

 
177

Total deferred tax liabilities
 
944

 
1,010

Deferred tax assets
 
 
 
 
U.S. general business credit carryforwards, including Energy Tax Credits
 
875

 
927

Pensions
 
144

 
220

Loss carryforwards
 
1,051

 
880

Postretirement obligations
 
99

 
109

Research and development capitalization
 
135

 
129

Employee payroll and benefits
 
98

 
56

Accrued expenses
 
154

 
170

Product warranty accrual
 
55

 
55

Receivable and inventory allowances
 
85

 
56

Other
 
536

 
521

Total deferred tax assets
 
3,232

 
3,123

Valuation allowances for deferred tax assets
 
(348
)
 
(178
)
Deferred tax assets, net of valuation allowances
 
2,884

 
2,945

Net deferred tax assets
 
$
1,940

 
$
1,935

Reconciliation of Unrecognized Tax Benefits
The following table represents a reconciliation of the beginning and ending amount of unrecognized tax benefits that if recognized would impact the effective tax rate, excluding federal benefits of state and local tax positions, and interest and penalties:
Millions of dollars
 
2018
 
2017
 
2016
Balance, January 1
 
$
219

 
$
102

 
$
143

Additions for tax positions of the current year
 
21

 
25

 
14

Additions for tax positions of prior years
 
60

 
110

 
1

Reductions for tax positions of prior years
 
(5
)
 
(1
)
 
(33
)
Settlements during the period
 
(8
)
 
(10
)
 
(20
)
Lapses of applicable statute of limitation
 
(9
)
 
(7
)
 
(3
)
Balance, December 31
 
$
278

 
$
219

 
$
102