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, 2020		$ 167	$ 58	$ 10,482	$ (128)
Common stock repurchased		(11)	(60)	(3,645)
Shares issued for employee stock awards and options		0	2	60
Net earnings	$ 7,005			7,005
Dividends declared				(989)
Other comprehensive income (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
Net earnings	$ 4,896			4,896
Dividends declared				(1,052)
Other comprehensive income (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
Common stock repurchased		(3)	0	(1,519)
Shares issued for employee stock awards and options		0	0	38
Net earnings	$ 2,056			2,056
Dividends declared				(1,114)
Other comprehensive income (loss), net of tax	25				25
End of year at Dec. 31, 2023	$ 14,795	$ 150	$ 0	$ 14,773	$ (128)
Cash dividends declared per share	$ 7.34