Leases - Supplemental balance sheet information (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating leases:
Operating lease right-of-use assets (included in Other assets)	$ 220	$ 225
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets, Noncurrent	Other Assets, Noncurrent
Current operating lease liabilities (included in Other current liabilities)	$ 44	$ 41
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current	Other Liabilities, Current
Noncurrent operating lease liabilities (included in Other long-term liabilities)	$ 184	$ 189
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total operating lease liabilities	$ 228	$ 230
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities, Current, Other Liabilities, Noncurrent	Other Liabilities, Current, Other Liabilities, Noncurrent
Finance leases:
Property, plant and equipment	$ 238	$ 179
Accumulated amortization	(64)	(48)
Net property, plant and equipment	174	131
Current finance lease liabilities (included in Long-term debt due within one year)	$ 23	$ 13
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Long-term Debt, Current Maturities	Long-term Debt, Current Maturities
Noncurrent finance lease liabilities (included in Long-term debt)	$ 151	$ 119
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term Debt, Excluding Current Maturities	Long-term Debt, Excluding Current Maturities
Total finance lease liabilities	$ 174	$ 132
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Long-term Debt, Current Maturities, Long-term Debt, Excluding Current Maturities	Long-term Debt, Current Maturities, Long-term Debt, Excluding Current Maturities
Weighted-average remaining lease term (in years):
Operating leases weighted-average remaining lease term (in years)	6 years 7 months 6 days	7 years 4 months 24 days
Finance leases weighted-average remaining lease term (in years)	6 years 9 months 18 days	5 years 7 months 6 days
Weighted-average discount rate:
Operating leases (as a percent)	6.56%	5.71%
Finance leases (as a percent)	5.88%	5.06%