Restructuring and Other Charges (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 27, 2021	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Restructuring Cost and Reserve [Line Items]
Litigation Settlement, Expense	$ 2,200
Severance Costs		$ 48	$ 124
Litigation Charges and Other		2,291	67
Asset Impairment Charges		287	7
Restructuring and Related Cost, Incurred Cost		2,626	198
Restructuring and other charges		$ 2,626	$ 198	$ 393

Litigation Charges and Other

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

+ References

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-Name Accounting Standards Codification
-Topic 220
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-Subparagraph (SX 210.5-03.3)
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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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