CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Total Stockholders' Equity	Common Stock	Capital In Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020			198,649
Beginning balance at Dec. 31, 2020	$ 13,728	$ 13,728	$ 33	$ 2,705	$ 20,517	$ 391	$ (9,918)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,934	2,933			2,933			1
Acquisition	22							22
Other comprehensive loss	(349)	(349)				(349)
Common stock repurchases	(79)	(79)		262			(341)
Dividends and dividend equivalents	(364)	(364)			(364)
Stock-based compensation	180	180		180
Restricted stock unit vesting	0			(81)			81
Stock option exercises	31	31		16			15
Ending balance (in shares) at Dec. 31, 2021			198,649
Ending balance at Dec. 31, 2021	16,103	16,080	$ 33	3,082	23,086	42	(10,163)	23
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,802	2,806			2,806			(4)
Distribution from (to) noncontrolling interest holders, net	(1)							(1)
Sale of Gentiva Hospice	(11)							(11)
Acquisition	52							52
Other comprehensive loss	(1,346)	(1,346)				(1,346)
Common stock repurchases	(2,096)	(2,096)					(2,096)
Dividends and dividend equivalents	(400)	(400)			(400)
Stock-based compensation	216	216		216
Restricted stock unit vesting (in shares)			18
Restricted stock unit vesting	0	0		(78)			78
Stock option exercises	51	51		26			25
Ending balance (in shares) at Dec. 31, 2022			198,667
Ending balance at Dec. 31, 2022	15,370	15,311	$ 33	3,246	25,492	(1,304)	(12,156)	59
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,484	2,489			2,489			(5)
Distribution from (to) noncontrolling interest holders, net	7							7
Acquisition	(5)							(5)
Other comprehensive loss	305	305				305
Common stock repurchases	(1,586)	(1,586)					(1,586)
Dividends and dividend equivalents	(441)	(441)			(441)
Stock-based compensation	175	175		175
Restricted stock unit vesting (in shares)			23
Restricted stock unit vesting	0			(80)			80
Stock option exercises	9	9		5			4
Ending balance (in shares) at Dec. 31, 2023			198,690
Ending balance at Dec. 31, 2023	$ 16,318	$ 16,262	$ 33	$ 3,346	$ 27,540	$ (999)	$ (13,658)	$ 56