v3.8.0.1

Health Net - Narrative (Details) $ / shares in Units, shares in Thousands, $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 24, 2016 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |  |
Centene share price (in dollars per share) | $ / shares | $ 62.70 |  |  |
Health Net, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consideration transferred, including assumed debt | $ 5,990 |  |  |
Assumption of outstanding debt | 703 |  |  |
Total consideration for acquisition transaction | 5,287 |  |  |
Consideration transferred, common stock issued, value | 3,038 |  |  |
Cash paid | 2,247 |  |  |
Fair value adjustment, stock based compensation | $ 2 |  |  |
Shares converted ratio | 0.622 |  |  |
Acquisition share price (in usd per share) | $ / shares | $ 28.25 |  |  |
Common stock issued for acquisition (in shares) | shares | 48,449 |  |  |
Health Net, Inc. | Selling, General and Administrative Expenses |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition related expenses |  | $ 7 | $ 234 | $ 27

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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