Computation of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income available to common shareholders from continuing operations	$ 1,027	$ 1,307
Net income available to common shareholders from discontinued operations	64	103
Net income available to common shareholders	$ 1,091	$ 1,410
Weighted average number of common shares	1,335,091	1,328,602
Effect of dilutive outstanding equity-based awards	11,813	10,878
Weighted average number of diluted common shares	1,346,904	1,339,480
Basic earnings from continuing operations	$ 0.77	$ 0.98
Basic earnings from discontinued operations	0.05	0.08
Basic EPS	0.82	1.06
Diluted earnings from continuing operations	0.76	0.98
Diluted earnings from discontinued operations	0.05	0.07
Diluted EPS	$ 0.81	$ 1.05
Anti-dilutive awards	0	621