Long-Term Debt and Credit Facilities - Components of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt	$ 8,239	$ 8,755
Less: Current portion of long-term debt	(20)	(14)
Total debt, excluding current portion of long-term debt	$ 8,219	8,741
Notes
Debt Instrument [Line Items]
Weighted average interest rate	3.10%
Total debt	$ 7,580	6,933
Commercial paper
Debt Instrument [Line Items]
Weighted average interest rate	4.00%
Total debt	$ 606	1,778
Finance Lease Obligations
Debt Instrument [Line Items]
Total debt	$ 53	$ 44