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Organization and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Jan. 31, 2008
Mar. 31, 2015
Sep. 30, 2014
Purchases of property, plant and equipment included in accounts payable $ 42 $ 18      
Noncontrolling Interest [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount       $ 9  
Pension and Postretirement Obligations Error [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount     $ 10   $ 17
Accumulated Other Comprehensive Loss Error [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount         3
Goodwill Error [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount         3
Cost of Sales Error [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount         5
Other Income, Net Error [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount         6
Productive Asset Purchase [Member]          
Quantifying Misstatement in Current Year Financial Statements, Amount         $ 25