Segment Financial Data (Geographic External Sales by Origin and Long-Lived Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 68,920	$ 67,074	$ 64,388
Long-Lived Assets	15,748	15,170
UNITED STATES
Long-Lived Assets	12,646	12,162
UNITED STATES | Sales by origin
Net sales	57,539	57,869	55,837
Europe [Member]
Long-Lived Assets	1,207	1,132
Europe [Member] | Sales by origin
Net sales	4,849	3,874	3,630
Asia Pacific [Member]
Long-Lived Assets	808	801
Asia Pacific [Member] | Sales by origin
Net sales	2,182	1,778	1,748
Middle East And North Africa
Long-Lived Assets	103	113
Middle East And North Africa | Sales by origin
Net sales	492	173	136
Other Geographic Regions [Member]
Long-Lived Assets	984	962
Other Geographic Regions [Member] | Sales by origin
Net sales	$ 3,858	$ 3,380	$ 3,037