XML 37 R25.htm IDEA: XBRL DOCUMENT v3.10.0.1
Business Segment and Geographic Information (Narrative) (Details)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
Division
Countries
Customers
Mar. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Division
Countries
Customers
Sep. 30, 2017
USD ($)
Dec. 31, 2017
Countries
Customers
Concentration Risk [Line Items]          
Number of business segments | Division 2   2    
Maximum Percentage Gross Trade Receivables From One Geographic Segment 10.00%   10.00%   10.00%
Maximum Percentage Gross Trade Receivables From One Customer 10.00%   10.00%   10.00%
Number of Countries Exceed Receivables Threshold | Countries 1   1   1
Number of Customers Exceed Receivables Threshold | Customers 0   0   0
Foreign Currency Exchange Rate, Remeasurement   50,000     10
Maximum number of days receivables outstanding in Venezuela 90 days        
Impairments and other charges, net of tax   $ 312 $ 312 $ 262  
VENEZUELA          
Concentration Risk [Line Items]          
Allowance for Doubtful Accounts Receivable, Write-offs   119      
Write-off of promissory note in Venezuela   32      
Inventory Write-down   48      
Fixed asset write-offs in Venezuela   53      
Other asset and liability write-offs in Venezuela   13      
Accrued taxes portion of Venezuela investment write-down   $ 47      
Geographic Concentration Risk [Member] | Accounts Receivable [Member] | UNITED STATES          
Concentration Risk [Line Items]          
Concentration Risk, Percentage     46.00%   42.00%