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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Components of Earnings (Loss) from Continuing Operations and Provisions for Income Taxes
Components of earnings before income taxes and the provision for (benefit from) U.S. and other income taxes from operations follow:
 
For years ended December 31,
(Dollars in millions)
2018
 
2017
 
2016
Earnings before income taxes
 
 
 
 
 
United States
$
718

 
$
654

 
$
422

Outside the United States
592

 
635

 
627

Total
$
1,310

 
$
1,289

 
$
1,049

Provision for (benefit from) income taxes
 

 
 

 
 

United States Federal
 

 
 

 
 

Current (1)
$
161

 
$
220

 
$
(80
)
Deferred (2)
(11
)
 
(383
)
 
214

Outside the United States
 
 
 
 
 
Current
86

 
62

 
91

Deferred
(22
)
 
2

 
(18
)
State and other
 
 
 
 
 
Current
30

 
13

 
2

Deferred
(18
)
 
(13
)
 
(19
)
Total
$
226

 
$
(99
)
 
$
190


(1) 
A one-time transition tax of $71 million on deferred foreign income tax is included for 2017.
(2) 
Includes a one-time benefit of $517 million primarily due to the re-measurement of certain net deferred tax liabilities using the lower U.S. corporate income tax rate and a one-time $72 million valuation allowance on deferred tax assets for foreign tax credit carryforwards for 2017.

Schedule of Deferred Tax Charge (Benefit) Recorded as a Component of Accumulated Other Comprehensive Loss
The following represents the deferred tax (benefit) charge recorded as a component of AOCI in the Consolidated Statements of Financial Position:
 
For years ended December 31,
(Dollars in millions)
2018
 
2017
 
2016
Defined benefit pension and other postretirement benefit plans
$
(10
)
 
$
(16
)
 
$
21

Derivatives and hedging
3

 
8

 
105

Total
$
(7
)
 
$
(8
)
 
$
126

Schedule of Income Tax Expense (Benefit) Included in Consolidated Financial Statement
Total income tax expense (benefit) included in the consolidated financial statements was composed of the following:
 
For years ended December 31,
(Dollars in millions)
2018
 
2017
 
2016
Earnings before income taxes
$
226

 
$
(99
)
 
$
190

Other comprehensive income
(7
)
 
(8
)
 
126

Total
$
219

 
$
(107
)
 
$
316

Schedule of Reconciliation of Income Taxes on Earnings from Continuing Operations at Federal Statutory Income Tax Rate
Differences between the provision for (benefit from) income taxes and income taxes computed using the U.S. Federal statutory income tax rate follow:
 
For years ended December 31,
 (Dollars in millions)
2018
 
2017
 
2016
Amount computed using the statutory rate
$
274

 
$
450

 
$
366

State income taxes, net
6

 
(4
)
 
(18
)
Foreign rate variance
(52
)
 
(150
)
 
(121
)
Domestic manufacturing deduction

 
(18
)
 
(7
)
Change in reserves for tax contingencies
21

 
20

 

General business credits
(60
)
 
(65
)
 
(20
)
U.S. tax on foreign earnings
8

 
29

 
25

Foreign tax credits
(12
)
 
(26
)
 
(10
)
Tax law changes and tax loss from outside-U.S. entity reorganizations (1)
20

 
(339
)
 

Other
21

 
4

 
(25
)
Provision for (benefit from) income taxes
$
226

 
$
(99
)
 
$
190

 
 
 
 
 
 
Effective income tax rate
17
%
 
(8
)%
 
18
%
Schedule of Significant Components of Deferred Tax Assets and Liabilities
The significant components of deferred tax assets and liabilities follow:
 
December 31,
(Dollars in millions)
2018
 
2017
Deferred tax assets
 
 
 
Post-employment obligations
$
230

 
$
242

Net operating loss carryforwards
708

 
690

Tax credit carryforwards
239

 
202

Environmental reserves
70

 
72

Unrealized derivative loss
18

 
17

Other
94

 
90

Total deferred tax assets
1,359

 
1,313

Less: Valuation allowance
466

 
410

Deferred tax assets less valuation allowance
$
893

 
$
903

Deferred tax liabilities
 

 
 

Property, plant, and equipment
$
(856
)
 
$
(835
)
Intangible assets
(473
)
 
(535
)
Investments
(274
)
 
(274
)
Other
(131
)
 
(131
)
Total deferred tax liabilities
$
(1,734
)
 
$
(1,775
)
Net deferred tax liabilities
$
(841
)
 
$
(872
)
As recorded in the Consolidated Statements of Financial Position:
 

 
 

Other noncurrent assets
$
43

 
$
21

Deferred income tax liabilities
(884
)
 
(893
)
Net deferred tax liabilities
$
(841
)
 
$
(872
)
Schedule of Tax Receivables and Payables
Amounts due to and from tax authorities as recorded in the Consolidated Statements of Financial Position:
 
December 31,
(Dollars in millions)
2018
 
2017
Miscellaneous receivables
$
135

 
$
215

 
 
 
 
Payables and other current liabilities
$
43

 
$
58

Other long-term liabilities
162

 
137

Total income taxes payable
$
205

 
$
195

Schedule of Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:
(Dollars in millions)
2018
 
2017
 
2016
Balance at January 1
$
142

 
$
114

 
$
125

Adjustments based on tax positions related to current year
44

 
29

 
(7
)
Lapse of statute of limitations
(4
)
 
(1
)
 
(4
)
Balance at December 31
$
182

 
$
142

 
$
114