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Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Taxes [Line Items]
Amount of interest and penalties included in liabilities for uncertain tax positions	$ 7		$ 7
Provision for income taxes	$ 118	$ 24	$ 160	$ 52
Effective income tax rate	26.90%	48.00%	31.70%	72.20%
Income tax payment, net	$ 181	$ 84	$ 101	$ 84
Cash paid for taxes related to gains on hospitals divested	74
Federal
Income Taxes [Line Items]
Open tax year			2021 2022
Maximum
Income Taxes [Line Items]
Unrecognized benefit that would affect the effective tax rate	$ 44		$ 44

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