Property, Plant and Equipment (PP&E) - Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	$ 31,448	$ 29,955
Less: Accumulated depreciation	15,174	15,074
Property, plant and equipment	16,274	14,882
Land [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	368	423
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	8,832	9,001
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	12,881	12,252
Furniture, fixtures and other [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	4,491	4,457
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment before accumulated depreciation	$ 4,875	$ 3,822
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	33 years
Minimum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	8 years
Minimum [Member] | Furniture, fixtures and other [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	3 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	50 years
Maximum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	20 years
Maximum [Member] | Furniture, fixtures and other [Member]
Property, Plant and Equipment [Line Items]
Useful lives (years)	12 years 6 months