Debt - Public Debt (Details) € in Millions, $ in Millions						1 Months Ended	9 Months Ended	12 Months Ended
	Aug. 23, 2024 USD ($)	Jul. 01, 2024 USD ($)	Dec. 28, 2023 USD ($)	Sep. 28, 2023 USD ($)	Mar. 29, 2023 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Aug. 22, 2024 USD ($)	Aug. 22, 2024 EUR (€)	Jun. 30, 2024 USD ($)
Debt Instrument [Line Items]
Payment for early redemption of debt								$ 5	$ 1	$ 2
Currency Swap
Debt Instrument [Line Items]
Derivative liability | €												€ 458
Fixed interest rate (as a percent)											3.72%	3.72%
6.875% Notes, due 2025
Debt Instrument [Line Items]
Amounts outstanding	$ 577							$ 0	600
Long-term debt, interest rate (as a percent)	6.875%							6.875%
Repurchased face amount													$ 23
4.850% Notes, due 2031
Debt Instrument [Line Items]
Amounts outstanding								$ 500	0
Long-term debt, interest rate (as a percent)	4.85%							4.85%
Redemption price, amount	$ 594
Interest expense	12
Early termination premium	$ 5
Maximum borrowing capacity											$ 500
5.125% Notes, due 2024
Debt Instrument [Line Items]
Amounts outstanding								$ 0	$ 205
Long-term debt, interest rate (as a percent)		5.125%						5.125%
Redemption price, amount		$ 208	$ 506	$ 205
Interest expense					$ 4
Early termination premium					1		$ 2
Early redemption of debt		205	500	200		$ 26	69
Accrued interest		$ 3	6	$ 5
Cash on hand			106
Debt instrument, redemption price, amount redeemed with loan facility			$ 400
Payment for early redemption of debt					150
Repayments of debt					$ 155		$ 71