Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 2,844	$ 3,244
Decrease in cash from operating assets and liabilities:
Accounts receivable	(547)	(567)
Inventories and other assets	(462)	(213)
Accounts payable and accrued expenses	(818)	49
Depreciation and amortization	1,470	1,409
Income taxes	121	2
Losses (gains) on sales of facilities	22	(10)
Losses on retirement of debt	78	12
Amortization of debt issuance costs and discounts	15	14
Share-based compensation	171	226
Other	81	73
Net cash provided by operating activities	2,975	4,239
Cash flows from investing activities:
Purchase of property and equipment	(1,941)	(1,496)
Acquisition of hospitals and health care entities	(116)	(98)
Sales of hospitals and health care entities	20	30
Change in investments	(2)	(12)
Other	(11)	7
Net cash used in investing activities	(2,050)	(1,569)
Cash flows from financing activities:
Issuance of long-term debt	5,966	4,337
Net change in revolving credit facilities	930	800
Repayment of long-term debt	(2,690)	(3,731)
Distributions to noncontrolling interests	(333)	(357)
Payment of debt issuance costs	(53)	(32)
Payment of dividends	(337)	(325)
Repurchase of common stock	(4,783)	(3,814)
Other	(201)	(224)
Net cash used in financing activities	(1,501)	(3,346)
Effect of exchange rate changes on cash and cash equivalents	(17)	3
Change in cash and cash equivalents	(593)	(673)
Cash and cash equivalents at beginning of period	1,451	1,793
Cash and cash equivalents at end of period	858	1,120
Interest payments	777	755
Income tax payments, net	$ 609	$ 844