Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)						0
Balance at beginning of year (in shares) at Jan. 01, 2022		223,000,000.0
Balance at beginning of year at Jan. 01, 2022	$ 3,735	$ 2	$ 2,970	$ 782	$ (19)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	45		45
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)
Common stock repurchased						400,000
Common stock repurchased	(14)					$ (14)
Net income	265			265
Shares, Outstanding, Ending Balance at Dec. 31, 2022		225,200,000
Balance at end of year at Dec. 31, 2022	3,961	$ 2	3,036	1,010	(73)	$ (14)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)						400,000
Share-based compensation expense	56		56
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)		1,200,000
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 conversion to common stock (in shares)		25,000,000.0
Series A convertible preferred stock conversion to common stock	535	$ 1	534
Series A convertible preferred stock dividends	(7)			(7)
Changes in retirement benefit obligations, net of income tax	(43)				(43)
Amount of Gain Reclassified from Accumulated Other Comprehensive Loss to Income, net of tax	1				1
Common stock repurchased						7,400,000
Common stock repurchased	(294)					$ (294)
Excise tax on common stock repurchases	(3)					(3)
Net income	$ 506			506
Shares, Outstanding, Ending Balance at Dec. 30, 2023	245,100,000	252,900,000
Balance at end of year at Dec. 30, 2023	$ 4,749	$ 3	3,663	1,509	(115)	$ (311)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)	7,800,000					7,800,000
Share-based compensation expense	$ 63		63
Proceeds from employee share purchase plan (in shares)		400,000
Proceeds from employee stock purchase plan	28		28
Vested restricted stock units, net, shares		700,000
Vested restricted stock units, net	$ 0
Exercise of stock options (in shares)	807,145	700,000
Stock Issued During Period, Value, Stock Options Exercised	$ 15		15
Tax withholding payments for net share-settled equity awards	(21)		(21)
Changes in retirement benefit obligations, net of income tax	158				158
Common stock repurchased						16,400,000
Common stock repurchased	(958)					$ (958)
Excise tax on common stock repurchases	(10)
Net income	$ 494			494
Shares, Outstanding, Ending Balance at Dec. 28, 2024	230,500,000	254,700,000
Balance at end of year at Dec. 28, 2024	$ 4,528	$ 3	$ 3,748	$ 2,003	$ 43	$ (1,269)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock (in shares)	24,200,000					24,200,000