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v3.24.2

Basis of Presentation and Significant Accounting Policies - Schedule of Revenues from Third Party Payers, Uninsured and Other Payers (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues | $ 17,492 | $ 15,861 | $ 34,831 | $ 31,452
Revenues ratio from third party payers | 100.00% | 100.00% | 100.00% | 100.00%
Medicare [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 2,621 | $ 2,567 | $ 5,459 | $ 5,305
Revenues from third party payers, Ratio | 15.00% | 16.20% | 15.70% | 16.90%
Managed Medicare [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 2,913 | $ 2,541 | $ 5,939 | $ 5,100
Revenues from third party payers, Ratio | 16.70% | 16.00% | 17.00% | 16.20%
Medicaid [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 1,108 | $ 742 | $ 2,108 | $ 1,477
Revenues from third party payers, Ratio | 6.30% | 4.70% | 6.10% | 4.70%
Managed Medicaid [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 1,033 | $ 894 | $ 2,011 | $ 1,807
Revenues from third party payers, Ratio | 5.90% | 5.60% | 5.80% | 5.70%
Managed Care and Insurers [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 8,549 | $ 7,830 | $ 17,094 | $ 15,453
Revenues from third party payers, Ratio | 48.80% | 49.40% | 49.00% | 49.20%
International (Managed Care and Insurers) [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues from third party payers | $ 416 | $ 377 | $ 828 | $ 752
Revenues from third party payers, Ratio | 2.40% | 2.40% | 2.40% | 2.40%
Other [Member] |  |  |  |
Revenues From Third Party Payers [Line Items] |  |  |  |
Revenues | $ 852 | $ 910 | $ 1,392 | $ 1,558
Other, Ratio | 4.90% | 5.70% | 4.00% | 4.90%

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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