Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computations of Basic and Diluted Net Earnings Per Share

The computations of basic and diluted net earnings per share are as follows (in thousands, except per share data):

Year Ended December 31,	2021			2020			2019
Basic net earnings per share:
Basic net earnings	$	6,827,461		$	721,470		$	1,271,143
Earnings allocated to participating securities		(32,311	)		(4,356	)		(7,035	)
Net earnings available to common stockholders	$	6,795,150		$	717,114		$	1,264,108
Basic average shares outstanding		292,491			303,168			305,040
Basic net earnings per share	$	23.23		$	2.37		$	4.14
Diluted net earnings per share:
Diluted net earnings	$	6,827,461		$	721,470		$	1,271,143
Earnings allocated to participating securities		(32,190	)		(4,359	)		(7,034	)
Net earnings available to common stockholders	$	6,795,271		$	717,111		$	1,264,109
Diluted average shares outstanding:
Basic average shares outstanding		292,491			303,168			305,040
Dilutive effect of stock options and other		899			103			463
		293,390			303,271			305,503
Diluted net earnings per share	$	23.16		$	2.36		$	4.14

Anti-dilutive Stock Options

The following stock options were excluded from the computation of diluted net earnings per share because their effect would have been anti-dilutive (shares in thousands):                

Year Ended December 31,	2021		2020		2019
Anti-dilutive stock options:
Weighted-average shares		144,767		2,972	963
Weighted-average exercise price	$	91.06	$	51.87	$	60.92