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Significant Accounting Policies (Tables)

12 Months Ended

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

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Tabular disclosure of the components of cash and cash equivalents.

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- Definition

Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482913/230-10-50-8

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