Business Combinations and Asset Acquisitions (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Business Acquisition [Line Items]
Cash and cash equivalents	$ 457
Accounts receivable and other current assets	585
Property, equipment and other long-term assets	1,494
Intangible Assets	1,810
Identifiable Assets Acquired	4,346
Medical costs payable	(171)
Accounts payable and other current liabilities	(590)
Other long-term liabilities	(605)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	(1,366)
Total net tangible assets	2,980
Goodwill	8,309
Redeemable noncontrolling interests	(3,101)
Nonredeemable noncontrolling interests	(103)
Net Assets Acquired	$ 8,085

Nonredeemable noncontrolling interests acquired through business combinations

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Redeemable noncontrolling interests acquired through business combinations

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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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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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