Centene Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Organization and Operations - (Recent Accounting Pronouncements) (Policies)
Notes Tables
Notes Details

Short-term and Long-term Investments, Restricted Deposits - (Narrative) (Details)

v3.8.0.1

Short-term and Long-term Investments, Restricted Deposits - (Narrative) (Details)	3 Months Ended
	Mar. 31, 2018 position
Schedule Of Investments And Restricted Deposits By Type [Line Items]
Positions from which gross unrealized losses were generated	2,714
Total unrealized investment positions	3,564
RxAdvance
Schedule Of Investments And Restricted Deposits By Type [Line Items]
Equity method investment, percentage	25.00%
Commercial mortgage-backed securities
Schedule Of Investments And Restricted Deposits By Type [Line Items]
Investments recorded at fair value that carry rating of AA Plus, weighted average (in years)	3 years 11 months
Rated Securities \| External Credit Rating, Investment Grade
Schedule Of Investments And Restricted Deposits By Type [Line Items]
Percentage of investments in rated securities carry an investment grade rating by nationally recognized statistical rating organizations	96.00%

- Definition

Investments Recorded At Fair Value That Carry Rating Of A A Plus, Weighted Average, Duration

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Positions from which gross unrealized losses were generated

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Total Unrealized Investment Positions

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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