Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock, Common
Balance at beginning of year (in shares) at Jan. 02, 2021		221,000,000.0
Balance at beginning of year at Jan. 02, 2021	$ 3,530	$ 2	$ 2,901	$ 661	$ (34)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from employee share purchase plan (in shares)		700,000
Proceeds from employee stock purchase plan	20		20
Vested restricted stock units, net, shares		700,000
Vested restricted stock units, net	0		0
Exercise of stock options (in shares)		600,000
Stock Issued During Period, Value, Stock Options Exercised	15		15
Tax withholding payments for net share-settled equity awards	(14)		(14)
Series A convertible preferred stock dividends	(43)			(43)
Changes in retirement benefit obligations, net of income tax	10				10
Interest rate hedge activity	5				5
Net income	164			164
Balance at end of year at Jan. 01, 2022	3,735	$ 2	2,970	782	(19)	$ 0
Shares, Outstanding, Ending Balance at Jan. 01, 2022		223,000,000.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	48		48
Proceeds from employee share purchase plan (in shares)		800,000
Proceeds from employee stock purchase plan	22		22
Vested restricted stock units, net, shares		800,000
Vested restricted stock units, net	0		0
Exercise of stock options (in shares)		600,000
Stock Issued During Period, Value, Stock Options Exercised	15		15
Tax withholding payments for net share-settled equity awards	(16)		(16)
Series A convertible preferred stock dividends	(37)			(37)
Changes in retirement benefit obligations, net of income tax	(54)				(54)
Interest rate hedge activity	0
Common stock repurchased						400,000
Common stock repurchased						$ (14)
Net income	265			265
Balance at end of year at Dec. 31, 2022	3,961	$ 2	3,036	1,010	(73)	$ (14)
Shares, Outstanding, Ending Balance at Dec. 31, 2022		225,200,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Excise Tax on Stock Repurchases	0
Share-based compensation expense	$ 45		45
Treasury stock (in shares)	500,000					400,000
Proceeds from employee share purchase plan (in shares)		700,000
Proceeds from employee stock purchase plan	$ 24		24
Vested restricted stock units, net, shares		800,000
Vested restricted stock units, net	$ 0
Exercise of stock options (in shares)	1,246,259	1,200,000
Stock Issued During Period, Value, Stock Options Exercised	$ 25		25
Tax withholding payments for net share-settled equity awards	(12)		(12)
Series A convertible preferred stock dividends	(7)			(7)
Changes in retirement benefit obligations, net of income tax	(43)				(43)
Interest rate hedge activity	1				1
Common stock repurchased						7,400,000
Common stock repurchased	294					$ (294)
Net income	506			506
Balance at end of year at Dec. 30, 2023	4,749	$ 3	3,663	$ 1,509	$ (115)	(311)
Shares, Outstanding, Ending Balance at Dec. 30, 2023		252,900,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Excise Tax on Stock Repurchases	(3)					$ (3)
Stock Issued During Period, Shares, Conversion of Convertible Securities		25,000,000.0
Stock Issued During Period, Value, Conversion of Convertible Securities	535	$ 1	534
Share-based compensation expense	$ 56		$ 56
Treasury stock (in shares)	7,800,000					7,800,000