Percentage of potential achievement of performance-based vesting criteria.

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The number of shares purchased by employees under the investment share purchase program.

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Stock repurchase program, cumulative number of shares repurchased.

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Stock repurchase program cumulative number of shares repurchased value.

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Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of non-vested options outstanding.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Common Stock and Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions							3 Months Ended	6 Months Ended
	May 07, 2024	Apr. 01, 2024	Mar. 01, 2024	Mar. 01, 2020	Mar. 01, 2019	Jan. 01, 2019	Jun. 29, 2024	Jun. 29, 2024	Dec. 30, 2023	May 18, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option outstanding							210,204	210,204	207,810
Options granted in period - weighted average exercise price								$ 300.14
Other than options granted in period								85,569
Weighted average fair value of stock awards								$ 290.21
Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period		21,205
Options granted in period - weighted average fair value		$ 141.48
Options granted in period - weighted average exercise price		$ 304.42
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized to be repurchased							1,200,000,000	1,200,000,000
Number of shares repurchased during period							220,446	368,629
Number of shares repurchased during period, Value							$ 63.0	$ 113.0
Number of total cumulative shares repurchased							14,400,000	14,400,000
Stock repurchase program, remaining authorized pepurchase amount							$ 153.5	$ 153.5
Number of total cumulative shares repurchased, value							$ 1,000.0	$ 1,000.0
Stock repurchase program, authorized amount										$ 269.0
Common Class A \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized to be repurchased										931,000,000
Common Class A \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized to be repurchased										1,200,000,000
Non-Employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	2,840
Options granted in period - weighted average fair value	$ 114.47
Options granted in period - weighted average exercise price	$ 268.2
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period			8,384
Other than options granted in period			64,708
Vesting period			4 years	4 years	4 years	5 years
Weighted average fair value of stock awards			$ 308.14
Restricted Stock Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of potential achievement of performance-based vesting criteria			0.00%
Restricted Stock Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of potential achievement of performance-based vesting criteria			200.00%
Restricted Stock Awards \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options granted in period		6,570
Vesting period		3 years
Weighted average fair value of stock awards		$ 304.42
Restricted Stock Awards \| Senior Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options granted in period		1,069
Weighted average fair value of stock awards		$ 304.42
Restricted Stock Awards \| Senior Management \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Restricted Stock Awards \| Non-Employee Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options granted in period		1,215
Vesting period		1 year
Weighted average fair value of stock awards		$ 268.2
Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option outstanding							28,033	28,033
Total shares outstanding							45,375	45,375
Vesting period			3 years
Performance Based Awards \| Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period			20,000
Vesting period			7 years
Investment Share Program \| Employee Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares employees elected to purchase			12,007
Weighted average fair value of stock awards			$ 186.77