Fair Value Measurements - Schedule of Carrying Values and Financial Instruments Not Carried at Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 98	$ 1,032
Current portion of debt	44	779
Long-term debt	4,880	4,125
Convertible debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	44	29
Long-term debt	582	925
Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	0	750
Long-term debt	4,298	3,200
Estimate of Fair Value Measurement | Convertible debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	109	69
Long-term debt	1,437	2,184
Estimate of Fair Value Measurement | Senior notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of debt	0	738
Long-term debt	3,792	2,696
Cash
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents, fair value	$ 98	$ 1,032