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Fair Value Measurements - Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	$ 1,498	$ 1,551	$ 1,518
Fair Value, Recurring
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1,498	1,551
Fair Value, Recurring | Defined Benefit Plan, Assets Before Unsettled Transactions, Net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1,452	1,568
Fair Value, Recurring | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	153	176
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Health Care
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	3
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Financial Services
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	10
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Retail and Consumer Products
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	6
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Energy
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	1
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Information Techology
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	16
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Manufacturing And Industrials
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	8
Fair Value, Recurring | Defined Benefit Plan, Equity Securities, US, Telecommunications
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	1
Fair Value, Recurring | International common stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	2	14
Fair Value, Recurring | Corporate debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	250	253
Fair Value, Recurring | US Treasury and Government
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	77	171
Fair Value, Recurring | Unsettled transactions, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	46	(17)
Fair Value, Recurring | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	513	611
Fair Value, Recurring | Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	153	176
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Health Care
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	3
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Financial Services
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	2	9
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Retail and Consumer Products
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	6
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Energy
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	1
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Information Techology
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	16
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Manufacturing And Industrials
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	8
Fair Value, Recurring | Level 1 | Defined Benefit Plan, Equity Securities, US, Telecommunications
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	1
Fair Value, Recurring | Level 1 | International common stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	2	14
Fair Value, Recurring | Level 1 | Corporate debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	248	252
Fair Value, Recurring | Level 1 | US Treasury and Government
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	105	125
Fair Value, Recurring | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	(27)	49
Fair Value, Recurring | Level 2 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Health Care
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Financial Services
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	(1)	1
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Retail and Consumer Products
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Energy
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Information Techology
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Manufacturing And Industrials
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Defined Benefit Plan, Equity Securities, US, Telecommunications
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | International common stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 2 | Corporate debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1	2
Fair Value, Recurring | Level 2 | US Treasury and Government
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	(27)	46
Fair Value, Recurring | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Health Care
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Financial Services
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Retail and Consumer Products
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Energy
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Information Techology
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Manufacturing And Industrials
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Defined Benefit Plan, Equity Securities, US, Telecommunications
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | International common stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | Corporate debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Level 3 | US Treasury and Government
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fair Value, Recurring | Fair Value Measured at Net Asset Value Per Share | Global equity
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	504	449
Fair Value, Recurring | Fair Value Measured at Net Asset Value Per Share | Corporate debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	166	157
Fair Value, Recurring | Fair Value Measured at Net Asset Value Per Share | Defined Benefit Plan, Diversified Investment Funds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	3	4
Fair Value, Recurring | Fair Value Measured at Net Asset Value Per Share | Defined Benefit Plan, Limited Partnerships
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	$ 293	$ 298

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Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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