Summary of Significant Accounting Policies Property, Plant and Equipment (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2024
Property, Plant and Equipment
Property, plant and equipment, at cost	$ 17,617		$ 19,269
Accumulated depreciation	(7,964)		(8,733)
Property, plant, and equipment, net	9,653		10,536
Gain (Loss) on Disposition of Assets		$ 96
Land and land improvements
Property, Plant and Equipment
Property, plant and equipment, at cost	742		782
Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, at cost	3,605		4,031
Machinery and other equipment
Property, Plant and Equipment
Property, plant and equipment, at cost	9,641		10,389
Capitalized software costs
Property, Plant and Equipment
Property, plant and equipment, at cost	553		779
Noncash or Part Noncash Acquisition, Fixed Assets Acquired		46
Leasehold improvements
Property, Plant and Equipment
Property, plant and equipment, at cost	3,076		$ 3,288
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	$ 55
Land
Property, Plant and Equipment
Noncash or Part Noncash Acquisition, Fixed Assets Acquired		$ 155
Minimum | Capitalized software costs
Property, Plant and Equipment
Property, plant and equipment, estimated useful life			3 years
Maximum [Member] | Land and land improvements
Property, Plant and Equipment
Property, plant and equipment, estimated useful life			40 years
Maximum [Member] | Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, estimated useful life			45 years
Maximum [Member] | Machinery and other equipment
Property, Plant and Equipment
Property, plant and equipment, estimated useful life			20 years
Maximum [Member] | Capitalized software costs
Property, Plant and Equipment
Property, plant and equipment, estimated useful life			5 years