QUARTERLY RESULTS (Unaudited) (Unaudited Operating Data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Results (Unaudited)
Sales	$ 3,291,493	$ 3,479,570	$ 3,465,601	$ 3,090,899	$ 2,828,773	$ 3,207,638	$ 3,091,595	$ 2,476,487	$ 13,327,563	$ 11,604,493	$ 10,149,985
Gross profit	1,734,536	1,818,240	1,826,378	1,640,795	1,472,138	1,680,468	1,637,180	1,295,906	7,019,949	6,085,692	5,394,691
Operating income	675,881	754,599	795,583	691,105	534,272	725,013	736,490	423,561	2,917,168	2,419,336	1,920,726
Net income	$ 518,973	$ 558,652	$ 585,451	$ 501,609	$ 392,945	$ 527,252	$ 531,667	$ 300,438	$ 2,164,685	$ 1,752,302	$ 1,391,042
Earnings per share - basic	$ 7.71	$ 8.14	$ 8.41	$ 7.13	$ 5.45	$ 7.13	$ 7.16	$ 4.00	$ 31.39	$ 23.74	$ 18.07
Earnings per share - assuming dilution	$ 7.64	$ 8.07	$ 8.33	$ 7.06	$ 5.40	$ 7.07	$ 7.10	$ 3.97	$ 31.10	$ 23.53	$ 17.88