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PROVISION FOR INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2017
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 (benefit from) provision for U.S. and other income taxes from operations follow:
 
For years ended December 31,
(Dollars in millions)
2017
 
2016
 
2015
Earnings before income taxes
 
 
 
 
 
United States
$
654

 
$
422

 
$
618

Outside the United States
635

 
627

 
511

Total
$
1,289

 
$
1,049

 
$
1,129

(Benefit from) provision for income taxes
 

 
 

 
 

United States Federal
 

 
 

 
 

Current (1)
$
220

 
$
(80
)
 
$
87

Deferred (2)
(383
)
 
214

 
119

Outside the United States
 
 
 
 
 
Current
62

 
91

 
59

Deferred
2

 
(18
)
 
16

State and other
 
 
 
 
 
Current
13

 
2

 
22

Deferred
(13
)
 
(19
)
 
(28
)
Total
$
(99
)
 
$
190

 
$
275


(1) 
Includes a one-time transition tax of $71 million on deferred foreign income.
(2) 
Includes 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.

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)
2017
 
2016
 
2015
Defined benefit pension and other postretirement benefit plans
$
(16
)
 
$
21

 
$
42

Derivatives and hedging
8

 
105

 
21

Total
$
(8
)
 
$
126

 
$
63

Schedule of Income Tax Expense (Benefit) Included in Consolidated Financial Statement
Total income tax (benefit) expense included in the consolidated financial statements was composed of the following:
 
For years ended December 31,
(Dollars in millions)
2017
 
2016
 
2015
Earnings before income taxes
$
(99
)
 
$
190

 
$
275

Other comprehensive income
(8
)
 
126

 
63

Total
$
(107
)
 
$
316

 
$
338

Schedule of Reconciliation of Income Taxes on Earnings from Continuing Operations at Federal Statutory Income Tax Rate
Differences between the (benefit from) provision for income taxes and income taxes computed using the U.S. Federal statutory income tax rate follow:
 
For years ended December 31,
 (Dollars in millions)
2017
 
2016
 
2015
Amount computed using the statutory rate
$
450

 
$
366

 
$
393

State income taxes, net
(4
)
 
(18
)
 
(3
)
Foreign rate variance
(150
)
 
(121
)
 
(93
)
Domestic manufacturing deduction
(18
)
 
(7
)
 
(12
)
Change in reserves for tax contingencies
20

 

 
(7
)
General business credits
(65
)
 
(20
)
 
(15
)
U.S. tax on foreign earnings
29

 
25

 
7

Foreign tax credits
(26
)
 
(10
)
 
(9
)
Tax law changes and tax loss from outside-U.S. entity reorganizations (1)
(339
)
 

 

Other
4

 
(25
)
 
14

(Benefit from) provision for income taxes
$
(99
)
 
$
190

 
$
275

 
 
 
 
 
 
Effective income tax rate
(8
)%
 
18
%
 
24
%
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)
2017
 
2016
Deferred tax assets
 
 
 
Post-employment obligations
$
242

 
$
378

Net operating loss carryforwards
690

 
337

Tax credit carryforwards
202

 
248

Environmental reserves
72

 
119

Unrealized derivative loss
17

 
50

Other
90

 
186

Total deferred tax assets
1,313

 
1,318

Less: Valuation allowance
410

 
278

Deferred tax assets less valuation allowance
$
903

 
$
1,040

Deferred tax liabilities
 

 
 

Property, plant, and equipment
$
(835
)
 
$
(1,237
)
Intangible assets
(535
)
 
(847
)
Investments
(274
)
 

Other
(131
)
 
(128
)
Total deferred tax liabilities
$
(1,775
)
 
$
(2,212
)
Net deferred tax liabilities
$
(872
)
 
$
(1,172
)
As recorded in the Consolidated Statements of Financial Position:
 

 
 

Other noncurrent assets
$
21

 
$
34

Deferred income tax liabilities
(893
)
 
(1,206
)
Net deferred tax liabilities
$
(872
)
 
$
(1,172
)
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)
2017
 
2016
Miscellaneous receivables
$
215

 
$
235

 
 
 
 
Payables and other current liabilities
$
58

 
$
56

Other long-term liabilities
137

 
60

Total income taxes payable
$
195

 
$
116

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)
2017
 
2016
 
2015
Balance at January 1
$
114

 
$
125

 
$
117

Adjustments based on tax positions related to current year
29

 
(7
)
 
(12
)
Additions based on acquisitions

 

 
27

Lapse of statute of limitations
(1
)
 
(4
)
 
(7
)
Balance at December 31
$
142

 
$
114

 
$
125