Affordable Care Act, Premium Stabilization Program, Risk Corridor, Receivable Not Recognized, Current Year

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Affordable Care Act, Premium Stabilization Program, Risk Corridor, Receivable Not Recognized, Prior Years

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Health Care Organization, Number of Members

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Operating Lease, Number of Renewal Option

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- Definition

Period for health and welfare benefits under employment agreements for termination without cause.

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Related Party Transaction, Extension Term

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Related Party Transaction, Terms

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- Definition

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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-Name Accounting Standards Codification
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Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

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The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity.

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- Definition

Commitment made to pay deferred cash remuneration expressed as a percentage of the individual's base salary.

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No definition available.

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- Definition

Amount of insurance premium revenue recognized.

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- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

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Amount of statutory capital required to be maintained as of the balance sheet date under prescribed or permitted statutory accounting practices.

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Commitments and Contingencies (Details) member in Thousands, $ in Millions		3 Months Ended								12 Months Ended
	Oct. 01, 2015 plaintiff	Dec. 31, 2016 USD ($) member Lease_Renewal_Option	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) member Lease_Renewal_Option	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013	Dec. 31, 2009	Feb. 24, 2017 USD ($)
Sale Leaseback Transaction [Line Items]
Net assets of subsidiaries subject to restrictions		$ 1,492				$ 1,229				$ 1,492	$ 1,229
Aggregate statutory capital and surplus		1,693								1,693
Required minimum statutory capital surplus		1,100								1,100
Unrecorded receivable for Marketplace risk corridor, prior year		52								52
Unrecorded receivable for Marketplace risk corridor, current year		90								90
Premium revenue		4,177	$ 4,191	$ 4,029	$ 3,995	3,589	$ 3,377	$ 3,304	$ 2,971	16,392	13,241	$ 9,023
Rental expense related to leases										$ 64	44	32
Executive Officer \| Termination Fee
Sale Leaseback Transaction [Line Items]
Deferred compensation upon termination as a percentage of base salary										400.00%
Chief Executive Officer \| Termination Bonus
Sale Leaseback Transaction [Line Items]
Deferred compensation upon termination as a percentage of base salary										150.00%
Chief Financial Officer \| Termination Bonus
Sale Leaseback Transaction [Line Items]
Deferred compensation upon termination as a percentage of base salary										125.00%
Parent Company
Sale Leaseback Transaction [Line Items]
Cash and investments		$ 264				612				$ 264	612
Termination of hospital management agreement
Sale Leaseback Transaction [Line Items]
Settlement charge						$ 15
Executive Officer \| Employment Contracts
Sale Leaseback Transaction [Line Items]
Automatically extension term										1 year
Period of employment agreements													1 year
Minimum
Sale Leaseback Transaction [Line Items]
Operating lease terms										5 years
Operating lease renewal options \| Lease_Renewal_Option		1								1
Minimum \| Executive Officer \| Employment Contracts
Sale Leaseback Transaction [Line Items]
Employment agreements terms														1 year
Maximum
Sale Leaseback Transaction [Line Items]
Operating lease terms										10 years
Operating lease renewal options \| Lease_Renewal_Option		2								2
Illinois
Sale Leaseback Transaction [Line Items]
Number of members served, approximately (in member) \| member		195								195
Puerto Rico
Sale Leaseback Transaction [Line Items]
Number of members served, approximately (in member) \| member		330								330
Subsequent Event \| Illinois
Sale Leaseback Transaction [Line Items]
Accounts Receivable, Net															$ 68
Health Plans
Sale Leaseback Transaction [Line Items]
Premium revenue										$ 16,392	13,241	9,023
Health Plans \| Illinois
Sale Leaseback Transaction [Line Items]
Premium revenue										601	397	153
Health Plans \| Puerto Rico
Sale Leaseback Transaction [Line Items]
Premium revenue										$ 726	$ 567	$ 0
PCC
Sale Leaseback Transaction [Line Items]
Pre-acquisition contingent liability and corresponding indemnification asset			$ 14
The Rodriquez Litigation
Sale Leaseback Transaction [Line Items]
Number of plaintiffs (in plaintiff) \| plaintiff	7