Uncompensated Care (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Health Care Trust Funds [Line Items]
Total uncompensated care	$ 2,261,895	$ 1,998,284	$ 2,201,138
Uncompensated care, percentage	100.00%	100.00%	100.00%
Charity Care
Health Care Trust Funds [Line Items]
Total uncompensated care	$ 786,962	$ 661,965	$ 622,668
Uncompensated care, percentage	35.00%	33.00%	28.00%
Uninsured Discounts
Health Care Trust Funds [Line Items]
Total uncompensated care	$ 1,474,933	$ 1,336,319	$ 1,578,470
Uncompensated care, percentage	65.00%	67.00%	72.00%