Summary of Valuation Allowances (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Income Taxes [Line Items]
Beginning balance	$ 93
Ending balance	266	$ 93
Valuation Allowance of Deferred Tax Assets
Income Taxes [Line Items]
Beginning balance	93	99	$ 100
Additions, charged to expense	184		2
Reductions	(11)	(6)	(3)
Ending balance	$ 266	$ 93	$ 99

Income taxes.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column C)(1))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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- Definition

Amount of decrease in valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column D))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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