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Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Taxes on income
 
Year ended December 31
 
 
2013

 
 
2012

 
2011

Taxes on income
 
 
 
 
 
 
U.S. federal
 
 
 
 
 
 
Current
$
15

 
 
$
1,703

 
$
1,893

Deferred
1,128

 
 
673

 
877

State and local
 
 
 
 
 
 
Current
120

 
 
652

 
596

Deferred
74

 
 
(145
)
 
41

Total United States
1,337

 
 
2,883

 
3,407

International
 
 
 
 
 
 
Current
12,296

 
 
15,626

 
16,548

Deferred
675

 
 
1,487

 
671

Total International
12,971

 
 
17,113

 
17,219

Total taxes on income
$
14,308

 
 
$
19,996

 
$
20,626

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:
 
Year ended December 31
 
 
 
2013

 
 
 
2012

 
 
2011

 
U.S. statutory federal income tax rate
35.0

%
 
 
35.0

%
 
35.0

%
Effect of income taxes from international operations at rates different from the U.S. statutory rate
5.1

 
 
 
7.8

 
 
7.5

 
State and local taxes on income, net of U.S. federal income tax benefit
0.6

 
 
 
0.6

 
 
0.9

 
Prior-year tax adjustments
(0.8
)
 
 
 
(0.2
)
 
 
(0.1
)
 
Tax credits
(0.5
)
 
 
 
(0.4
)
 
 
(0.4
)
 
Effects of changes in tax rates

 
 
 
0.3

 
 
0.5

 
Other
0.5

 
 
 
0.1

 
 
(0.1
)
 
Effective tax rate
39.9

%
 
 
43.2

%
 
43.3

%
Composition of deferred tax balances
The reported deferred tax balances are composed of the following:
 
At December 31
 
 
2013

 
 
2012

Deferred tax liabilities
 
 
 
 
Properties, plant and equipment
$
25,936

 
 
$
24,295

Investments and other
2,272

 
 
2,276

Total deferred tax liabilities
28,208

 
 
26,571

Deferred tax assets
 
 
 
 
Foreign tax credits
(11,572
)
 
 
(10,817
)
Abandonment/environmental reserves
(6,279
)
 
 
(5,728
)
Employee benefits
(3,825
)
 
 
(5,100
)
Deferred credits
(2,768
)
 
 
(2,891
)
Tax loss carryforwards
(1,016
)
 
 
(738
)
Other accrued liabilities
(533
)
 
 
(381
)
Inventory
(358
)
 
 
(281
)
Miscellaneous
(1,439
)
 
 
(1,835
)
Total deferred tax assets
(27,790
)
 
 
(27,771
)
Deferred tax assets valuation allowance
17,171

 
 
15,443

Total deferred taxes, net
$
17,589

 
 
$
14,243

Classification of deferred taxes
At December 31, 2013 and 2012, deferred taxes were classified on the Consolidated Balance Sheet as follows:
 
At December 31
 
 
2013

 
 
2012

Prepaid expenses and other current assets
$
(1,341
)
 
 
$
(1,365
)
Deferred charges and other assets
(2,954
)
 
 
(2,662
)
Federal and other taxes on income
583

 
 
598

Noncurrent deferred income taxes
21,301

 
 
17,672

Total deferred income taxes, net
$
17,589

 
 
$
14,243

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, 2013, 2012 and 2011. 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.
 
2013

 
 
2012

 
2011

Balance at January 1
$
3,071

 
 
$
3,481

 
$
3,507

Foreign currency effects
(58
)
 
 
4

 
(2
)
Additions based on tax positions
taken in current year
276

 
 
543

 
469

Additions/reductions resulting from current-year asset acquisitions/sales

 
 

 
(41
)
Additions for tax positions taken
in prior years
1,164

 
 
152

 
236

Reductions for tax positions taken in prior years
(176
)
 
 
(899
)
 
(366
)
Settlements with taxing authorities in current year
(320
)
 
 
(138
)
 
(318
)
Reductions as a result of a lapse
of the applicable statute of limitations
(109
)
 
 
(72
)
 
(4
)
Balance at December 31
$
3,848

 
 
$
3,071

 
$
3,481

Taxes other than on income
Taxes Other Than on Income
 
Year ended December 31
 
 
2013

 
 
2012

 
2011

United States
 
 
 
 
 
 
Excise and similar taxes
on products and merchandise
$
4,792

 
 
$
4,665

 
$
4,199

Import duties and other levies
4

 
 
1

 
4

Property and other
miscellaneous taxes
1,036

 
 
782

 
726

Payroll taxes
255

 
 
240

 
236

Taxes on production
333

 
 
328

 
308

Total United States
6,420

 
 
6,016

 
5,473

International
 
 
 
 
 
 
Excise and similar taxes on
products and merchandise
3,700

 
 
3,345

 
3,886

Import duties and other levies
41

 
 
106

 
3,511

Property and other
miscellaneous taxes
2,486

 
 
2,501

 
2,354

Payroll taxes
168

 
 
160

 
148

Taxes on production
248

 
 
248

 
256

Total International
6,643

 
 
6,360

 
10,155

Total taxes other than on income
$
13,063

 
 
$
12,376

 
$
15,628