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BUSINESS ACQUISITIONS (Consideration Paid) (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Apr. 18, 2014 | Mar. 07, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Business Acquisition [Line Items] |  |  |  |  |
Estimated fair value of contingent consideration | $ 26 |  |  |  |
Total consideration |  |  | $ 139 | $ 63 | $ 768
Solstas Lab Parnters Group [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash |  | $ 572 |  |  |
Estimated fair value of contingent consideration |  | 0 |  |  |
Transaction related costs due to sellers |  | 0 |  |  |
Total consideration |  | $ 572 |  |  |
Summit Health, Inc. [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash | 125 |  |  |  |
Estimated fair value of contingent consideration | 22 |  |  | $ 0 | $ 13
Transaction related costs due to sellers | 5 |  |  |  |
Total consideration | $ 152 |  |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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