Debt - Long Term Debt Outstanding (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt	$ 6,253	$ 6,240
6.25% senior notes due 2025 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	6.25%	6.25%	6.25%
Long-term debt	$ 1,039	$ 1,036
5.0% senior notes due 2026
Debt Instrument [Line Items]
Debt, interest rate	5.00%
5.0% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	5.00%	5.00%
Long-term debt	$ 748	$ 746
0% convertible senior notes due 2026 | Convertible Debt
Debt Instrument [Line Items]
Debt, interest rate	0.00%	0.00%
Long-term debt	$ 993	$ 989
4.625% senior notes due 2027 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	4.625%	4.625%
Long-term debt	$ 746	$ 745
3.8% senior notes due 2028 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	3.80%	3.80%
Long-term debt	$ 996	$ 995
3.25% senior notes due 2030 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	3.25%	3.25%
Long-term debt	$ 1,238	$ 1,237
2.95% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Debt, interest rate	2.95%
Long-term debt	$ 493	$ 492