Supplemental Balance Sheet Information (Details 1) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 3,934	$ 3,893
Accumulated depreciation	(2,185)	(2,128)
Property, plant and equipment, net	1,749	1,765
Buildings and Improvements [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	2,424	2,367
Finance Leases, Primarily Buildings [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	37	36
Machinery and Equipment, and Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,473	$ 1,490