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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Schedule of inventories
Inventories consisted of the following:
 
December 31,
(in millions)
2018
 
2017
Finished goods
$
186

 
$
172

Raw materials
105

 
98

In-process inventories
12

 
22

Parts and supplies
77

 
77

     Total Inventories
$
380

 
$
369

Schedule of lives used in computing depreciation for depreciable assets and components of property, plant and equipment
The lives used in computing depreciation for significant asset classes are as follows:
Asset
Range of Useful
Lives, in Years
Land improvements
15 to 30
Buildings
20 to 30
Machinery and equipment
5 to 30
Other
5 to 30


Property, plant and equipment consisted of the following:
 
December 31,
(in millions)
2018
 
2017
Land and improvements
$
43

 
$
47

Buildings
82

 
83

Machinery and equipment
3,754

 
3,734

Other
203

 
155

 
4,082

 
4,019

Less: Accumulated depreciation
1,637

 
1,431

     Total Property, plant and equipment, net
$
2,445

 
$
2,588

Effect of the change to Condensed Consolidated Balance Sheet
The following table displays the effect of the changes to the Consolidated Balance Sheet as of December 31, 2018 for the adoption of ASC 606. The Company’s Consolidated Statement of Cash Flows was not impacted due to the adoption of ASC 606 for the period ended December 31, 2018.
(in millions)
December 31, 2018
 
As Reported
 
Balances without adoption of ASC 606
 
Effect of change
Assets
 
 
 
 
 
Accounts Receivable
$
169

 
$
124

 
$
45

Liabilities
 
 
 
 
 
Deferred Revenue (1)
$
69

 
$
24

 
$
45

_____________________________
(1)
Deferred Revenues are recorded within the Other Current Liabilities financial statement line item.