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BUSINESS SEGMENT INFORMATION
 3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
BUSINESS SEGMENT INFORMATION
BUSINESS SEGMENT INFORMATION
The Company's DIS business provides insights through clinical testing and related services to a broad range of customers, including patients, clinicians, hospitals, IDNs, health plans, employers and ACOs. The Company is the world's leading provider of diagnostic information services, which includes providing clinical testing services such as routine testing, non-routine (including advanced diagnostics) testing, and anatomic pathology services, as well as related services and insights. The DIS business accounted for greater than 90% of net revenues in 2017 and 2016.

All other operating segments include the Company's DS businesses, which consists of its risk assessment services, healthcare information technology and diagnostic products (prior to disposition on May 13, 2016) businesses. The Company's DS businesses offer a variety of solutions for life insurers and healthcare providers.
        
As of March 31, 2017, substantially all of the Company’s services were provided within the United States, and substantially all of the Company’s assets were located within the United States.

The following table is a summary of segment information for the three months ended March 31, 2017 and 2016. Segment asset information is not presented since it is not used by the chief operating decision maker at the operating segment level. Operating earnings (loss) of each segment represents net revenues less directly identifiable expenses to arrive at operating income (loss) for the segment. General corporate activities included in the table below are comprised of general management and administrative corporate expenses, amortization and impairment of intangibles assets, other operating income and expenses net of certain general corporate activity costs that are allocated to the DIS and DS businesses. The accounting policies of the segments are the same as those of the Company as set forth in Note 2 to the consolidated financial statements contained in the Company’s 2016 Annual Report on Form 10-K and Note 2 to the interim unaudited consolidated financial statements.
 
Three Months Ended March 31,
 
2017
 
2016
Net revenues:
 

 
 

DIS business
$
1,812

 
$
1,756

All other operating segments
87

 
107

Total net revenues
$
1,899

 
$
1,863

 
 
 
 
Operating earnings (loss):
 

 
 

DIS business
$
306

 
$
278

All other operating segments
13

 
21

General corporate activities
(40
)
 
(42
)
Total operating income
279

 
257

Non-operating expenses, net
(33
)
 
(85
)
Income before income taxes and equity in earnings of equity method investees
246

 
172

Income tax expense
(78
)
 
(67
)
Equity in earnings of equity method investees, net of taxes
7

 
10

Net income
175

 
115

Less: Net income attributable to noncontrolling interests
11

 
12

Net income attributable to Quest Diagnostics
$
164

 
$
103