Income Taxes NOL and Tax Credit Carryforwards (Details) $ in Millions	Dec. 29, 2024 USD ($)
State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	$ 73
Tax credit carryforwards	8
UNITED KINGDOM
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	9
Within 5 years [Member] | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	14
Tax credit carryforwards	4
Within 5 years [Member] | UNITED KINGDOM
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Indefinite Expiration Period, Within 5 Years | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Indefinite Expiration Period, Within 5 Years | United States
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Within 5-20 years [Member] | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	59
Tax credit carryforwards	4
Within 5-20 years [Member] | UNITED KINGDOM
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Indefinite Expiration Period | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	1
Indefinite Expiration Period | United States
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	83
Indefinite Expiration Period, 5-20 Years | State [Member]
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Indefinite Expiration Period, 5-20 Years | United States
NOL and Tax Credit Carryforwards [Line Items]
Operating loss carryforwards	0
Foreign Tax Credits [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	22
Foreign Tax Credits [Member] | Within 5 years [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	22
Foreign Tax Credits [Member] | Within 5-20 years [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	0
Research Tax Credit Carryforward [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	13
Research Tax Credit Carryforward [Member] | Within 5 years [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	0
Research Tax Credit Carryforward [Member] | Within 5-20 years [Member] | United States
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	13
Economic Zone Credit [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	3
Economic Zone Credit [Member] | Within 5 years [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	3
Economic Zone Credit [Member] | Within 5-20 years [Member] | Poland [Member]
NOL and Tax Credit Carryforwards [Line Items]
Tax credit carryforwards	$ 0