v3.8.0.1

Health Net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Business Combinations [Abstract] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed | The Company's allocation of the fair value of assets acquired and liabilities assumed as of the acquisition date of March 24, 2016, is as follows ($ in millions):
Assets Acquired and Liabilities Assumed |  |
Cash and cash equivalents |  | $ | 956 |
Premium and trade receivables (a) |  | 1,890 |
Short-term investments |  | 74 |
Other current assets |  | 524 |
Long-term investments |  | 2,037 |
Restricted deposits |  | 30 |
Property, software and equipment, net |  | 41 |
Intangible assets (b) |  | 1,530 |
Other long-term assets |  | 136 |
Total assets acquired |  | 7,218 |
Medical claims liability (c) |  | 1,482 |
Borrowings under revolving credit facility |  | 285 |
Accounts payable and accrued expenses (c) (d) |  | 2,297 |
Return of premium payable |  | 435 |
Unearned revenue |  | 130 |
Long-term deferred tax liabilities (e) |  | 311 |
Long-term debt (f) |  | 418 |
Other long-term liabilities |  | 432 |
Total liabilities assumed |  | 5,790 |
Total identifiable net assets |  | 1,428 |
Goodwill (g) |  | 3,859 |
Total assets acquired and liabilities assumed |  | $ | 5,287 |
Significant fair value adjustments are noted as follows:
(a) | The fair value of premium and trade receivables approximated their historical cost, with the exception of the risk corridor receivable associated with the Health Insurance Marketplace. The fair value of the risk corridor receivable was estimated at $9 million.
(b) | The identifiable intangible assets acquired are to be measured at fair value as of the completion of the acquisition. The fair value of intangible assets is determined primarily using variations of the "income approach," which is based on the present value of the future after-tax cash flows attributable to each identified intangible asset. Other valuation methods, including the market approach and cost approach, were also utilized in estimating the fair value of certain intangible assets. The Company determined the fair value of intangibles to be $1,530 million with a weighted average life of 12 years. Intangible assets include purchased contract rights, provider contracts, trade names and developed technologies.
(c) | Medical claims liability and accounts payable and accrued expenses include $160 million of reserves associated with substance abuse rehabilitation claims primarily related to periods prior to the acquisition date.
(d) | Accounts payable and accrued expenses include approximately $253 million related to premium deficiency reserves based on cost trends existing prior to the acquisition date. The premium deficiency reserves are primarily associated with losses in the individual commercial business, largely in California, unfavorable performance in the Arizona commercial business as well as unfavorable performance in the Medicare business primarily in Oregon and Arizona.
(e) | The deferred tax liabilities are presented net of $365 million of deferred tax assets.
(f) | Debt is required to be measured at fair value under the acquisition method of accounting. The fair value of Health Net's $400 million Senior Notes assumed in the acquisition was $418 million. The $18 million increase was initially being amortized as a reduction to interest expense over the remaining life of the debt; however, in November 2016, this debt was redeemed. See further discussion in Note 11, Debt.
(g) | The acquisition resulted in $3,859 million of goodwill related primarily to buyer specific synergies expected from the acquisition and the assembled workforce of Health Net. This goodwill is not deductible for income tax purposes. The Company assigned $3,643 million of goodwill to the Managed Care segment and $216 million of goodwill to the Specialty Services segment.
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] | The fair values and weighted average useful lives for identifiable intangible assets acquired are as follows:
|  | Fair Value |  | Weighted Average Useful Life (in years)
Purchased contract rights |  | $ | 1,095 |  |  | 13
Provider contracts |  | 181 |  |  | 11
Trade names |  | 150 |  |  | 10
Developed technologies |  | 104 |  |  | 5
Total intangible assets acquired |  | $ | 1,530 |  |  | 12
Business Acquisition, Pro Forma Information (unaudited) | The following table presents supplemental pro forma information for the year ended December 31, 2015 ($ in millions, except per share data).
|  | December 31, 2015
Total revenues |  | $ | 38,826 |
Net earnings attributable to Centene Corporation |  | $ | 245 |
Diluted earnings per share |  | $ | 1.43 |
Restructuring and Related Costs | Changes in the restructuring liability for the years ended December 31, 2016 and 2017 were as follows ($ in millions):
|  | Employee Termination Costs |  | Stock Based Compensation |  | Total
Total accrued restructuring costs as of December 31, 2015 |  | $ | — |  |  | $ | — |  |  | $ | — |
Charges incurred |  | 46 |  |  | 43 |  |  | 89 |
Paid/settled |  | (28 | ) |  | (43 | ) |  | (71 | )
Total accrued restructuring costs as of December 31, 2016 |  | $ | 18 |  |  | $ | — |  |  | $ | 18 |
Charges incurred |  | 4 |  |  | 3 |  |  | 7 |
Paid/Settled |  | (20 | ) |  | $ | (3 | ) |  | (23 | )
Total accrued restructuring costs as of December 31, 2017 |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |

X
- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of finite-lived intangible assets acquired as part of a business combination or through an asset purchase, by major class and in total, including the value of the asset acquired, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration