Debt - Public Debt (Details) - USD ($) $ in Millions							1 Months Ended		6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 28, 2023	Sep. 28, 2023	Sep. 02, 2021	Sep. 01, 2021	May 03, 2021	Jan. 15, 2021	Mar. 31, 2023	Jan. 31, 2023	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Payment for early redemption of debt											$ 1	$ 2	$ 138
5.125% Notes, due 2024
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)									5.125%		5.125%		5.125%
Early redemption of debt	$ 500	$ 200						$ 26	$ 100	$ 69
Cash on hand	106
Debt instrument, redemption price, amount redeemed with loan facility	400
Redemption price, amount	506	205
Accrued interest	$ 6	$ 5
Payment for early redemption of debt							$ 150
Repayments of debt							155		111	71
Interest expense							4		1
Early termination premium							$ 1		$ 10	$ 2
6.875% Notes, due 2025
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)			6.875%								6.875%
Early redemption of debt			$ 600
Interest expense			14
Early termination premium			$ 105
3.000% Notes, due 2029
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)				3.00%							3.00%
Early redemption of debt				$ 700
5.870% Notes, due 2022
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)					5.87%
Early redemption of debt					$ 476
Accrued interest					5
Payment for early redemption of debt					503
Early termination premium					$ 23
5.400% Notes, due 2021
Debt Instrument [Line Items]
Long-term debt, interest rate (as a percent)						5.40%
Early redemption of debt						$ 361
Accrued interest						$ 5