Restructuring Charges - Schedule of Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring Charges	$ 0	$ 0	$ 8	$ 1
Total restructuring charges	2	0	33	9
Continuing Operations [Member]
Restructuring Cost And Reserve [Line Items]
Employee severance and benefits	0	0	8	1
Restructuring Charges	0	0	8	1
Discontinued Operations [Member]
Restructuring Cost And Reserve [Line Items]
Employee severance and benefits	2	0	24	8
Facility Restructuring	0	0	1	0
Restructuring Charges	$ 2	$ 0	$ 25	$ 8

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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