Earnings per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net earnings	$ 8,130	$ 5,764	$ 2,475
Less: Distributed and undistributed earnings attributable to share-based awards	(17)	(13)	(11)
Less: Distributed and undistributed earnings attributable to share-based awards	(17)	(13)	(11)
Earnings (losses) for EPS, basic	8,113	5,751	2,464
Earnings (losses) for EPS, diluted	$ 8,113	$ 5,751	$ 2,464
Weighted-average shares for basic EPS (in shares)	1,777	1,804	1,845
Weighted-average shares for diluted EPS (in shares)	1,777	1,804	1,845