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Revenue Recognition and Valuation Accounts (Tables)
9 Months Ended
Sep. 30, 2016
Text Block [Abstract]  
Schedule of Allowance for Contractual Discounts and Estimated Uncompensated Care as a Percentage of Gross Segment Accounts Receivable

The allowance for contractual discounts and estimated uncompensated care (expressed as a percentage of gross segment accounts receivable) was as follows:

 

     As of  
     September 30,
2016
    December 31,
2015
 

Allowance for Contractual Discounts

     60     56

Allowance for Uncompensated Care

     18     23