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Business Combinations Business Combinations (Tables) | 12 Months Ended
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Dec. 31, 2020
Business Combinations [Abstract] |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] | Acquired tangible assets (liabilities) at acquisition date were:
(in millions) |  |
Cash and cash equivalents |  | $ | 715 |
Accounts receivable and other current assets |  | 735 |
Property, equipment and other long-term assets |  | 816 |
Medical costs payable |  | (316) |
Accounts payable and other current liabilities |  | (861) |
Other long-term liabilities |  | (817) |
Total net tangible assets |  | $ | 272 |

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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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