v3.8.0.1

Affordable Care Act (Tables) | 12 Months Ended
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Dec. 31, 2017
Affordable Care Act [Abstract] |
Schedule of receivables (payables) related to the Health Insurance Marketplace programs | The Company's receivables (payables) for each of these programs are as follows ($ in millions):
| December 31, 2017 |  | December 31, 2016
Risk adjustment | $ | (677 | ) |  | $ | (425 | )
Reinsurance | 15 |  |  | 122 |
Risk corridor | 6 |  |  | (3 | )
Minimum MLR | (22 | ) |  | (18 | )
Cost sharing reductions | (96 | ) |  | (147 | )

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- Definition Affordable Care Act [Abstract] + References No definition available. + Details
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- Definition Schedule of Receivables (Payables) Related to the Affordable Care Act Programs + References No definition available. + Details
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