QUARTERLY RESULTS (Unaudited) (Unaudited Operating Data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Quarterly Results (Unaudited)
Sales	$ 3,832,015	$ 4,203,380	$ 4,068,991	$ 3,707,864	$ 3,644,493	$ 3,798,619	$ 3,670,737	$ 3,296,011	$ 15,812,250	$ 14,409,860	$ 13,327,563
Gross profit	1,967,429	2,160,463	2,086,582	1,890,329	1,853,954	1,934,962	1,884,718	1,708,072	8,104,803	7,381,706	7,019,949
Operating income	718,736	897,222	853,773	716,645	682,217	804,194	798,550	669,530	3,186,376	2,954,491	2,917,168
Net Income (Loss)	$ 552,504	$ 649,827	$ 627,365	$ 516,885	$ 528,572	$ 585,438	$ 576,760	$ 481,880	$ 2,346,581	$ 2,172,650	$ 2,164,685
Earnings per share - basic	$ 9.33	$ 10.82	$ 10.32	$ 8.36	$ 8.45	$ 9.25	$ 8.86	$ 7.24	$ 38.80	$ 33.75	$ 31.39
Earnings per share - assuming dilution	$ 9.26	$ 10.72	$ 10.22	$ 8.28	$ 8.37	$ 9.17	$ 8.78	$ 7.17	$ 38.47	$ 33.44	$ 31.10