Summary of Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Data [Abstract]

Summary of Quarterly Data

2021 Quarters	Mar 31		Jun 30		Sep 30		Dec 31
Net sales	$	3,953	$	4,294	$	4,160	$	4,701
Gross profit	2,509		2,772		2,642		3,045
Earnings (loss) before income taxes	367		662		495		757
Net earnings (loss)	302		592		438		662
Net earnings (loss) per share of common stock:
Basic	$	0.80	$	1.57	$	1.17	$	1.75
Diluted	$	0.79	$	1.55	$	1.14	$	1.73
Dividends declared per share of common stock	$	0.630	$	0.630	$	0.630	$	0.695
2020 Quarters	Mar 31		Jun 30		Sep 30		Dec 31
Net sales	$	3,588	$	2,764	$	3,737	$	4,262
Gross profit	2,331		1,548		2,461		2,717
Earnings before income taxes	590		(87)		780		671
Net earnings	493		(83)		621		568
Net earnings per share of common stock:
Basic	$	1.32	$	(0.22)	$	1.66	$	1.51
Diluted	$	1.30	$	(0.22)	$	1.63	$	1.49
Dividends declared per share of common stock	$	0.575	$	0.575	$	0.575	$	0.630