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Revenue Recognition and Valuation Accounts (Tables)
3 Months Ended
Mar. 31, 2015
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:

 

     Revenue  
     Quarter Ended
March 31,
2015
    Year Ended
December 31,
2014
 

Allowance for Contractual Discounts

     57     53

Allowance for Uncompensated Care

     21     23