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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Cash and cash equivalents | $ | 4,848 |  |  | $ | 4,006 |  |  | $ | 4,438 |
Restricted cash and cash equivalents | 60 |  |  | 42 |  |  | 68 |
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,908 |  |  | $ | 4,048 |  |  | $ | 4,506 |
Schedule of Restricted Cash and Cash Equivalents | The restricted cash and cash equivalents presented below are included in “Restricted investments” in the accompanying consolidated balance sheets.
| December 31,
| 2023 |  | 2022 |  | 2021
| (In millions)
Cash and cash equivalents | $ | 4,848 |  |  | $ | 4,006 |  |  | $ | 4,438 |
Restricted cash and cash equivalents | 60 |  |  | 42 |  |  | 68 |
Total cash and cash equivalents, and restricted cash and cash equivalents presented in the consolidated statements of cash flows | $ | 4,908 |  |  | $ | 4,048 |  |  | $ | 4,506 |
Schedule of Receivables |
| December 31,
| 2023 |  | 2022
| (In millions)
Government receivables | $ | 2,354 |  |  | $ | 1,702 |
Pharmacy rebate receivables | 330 |  |  | 291 |
Other | 420 |  |  | 309 |
Total receivables | $ | 3,104 |  |  | $ | 2,302 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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