Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Common stock	Paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning of year at Dec. 31, 2019		$ 168	$ 0	$ 8,748	$ (97)
Common stock repurchased		(1)	0	(479)
Shares issued for employee stock awards and options		0	63	(36)
Other			(5)	11
Net earnings	$ 3,189			3,189
Dividends declared				(951)
Other comprehensive loss, net of tax	(31)				(31)
End of year at Dec. 31, 2020	$ 10,579	167	58	10,482	(128)
Cash dividends declared per share	$ 5.67
Common stock repurchased		(11)	(60)	(3,645)
Shares issued for employee stock awards and options		0	2	60
Other			0	0
Net earnings	$ 7,005			7,005
Dividends declared				(989)
Other comprehensive loss, net of tax	(15)				(15)
End of year at Dec. 31, 2021	$ 12,926	156	0	12,913	(143)
Cash dividends declared per share	$ 6.16
Common stock repurchased		(4)	0	(1,497)
Shares issued for employee stock awards and options		1	0	52
Other			0	0
Net earnings	$ 4,896			4,896
Dividends declared				(1,052)
Other comprehensive loss, net of tax	(10)				(10)
End of year at Dec. 31, 2022	$ 15,312	$ 153	$ 0	$ 15,312	$ (153)
Cash dividends declared per share	$ 6.76