Leases - Supplemental information (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Supplemental balance sheet information
Balance sheet location for operating lease assets	Other assets	Other assets
Operating lease ROU asset	$ 450	$ 434
Balance sheet location for operating lease current liabilities	Other current liabilities	Other current liabilities
Current operating lease liabilities	$ 96	$ 91
Balance sheet location for operating lease noncurrent liabilities	Other liabilities	Other liabilities
Noncurrent operating lease liabilities	$ 365	$ 349
Balance sheet location for finance lease assets	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease ROU assets, net	$ 9	$ 11
Balance sheet location for finance lease current liabilities	Short-term debt and current portion of long-term debt	Short-term debt and current portion of long-term debt
Current finance lease liabilities	$ 2	$ 2
Balance sheet location for finance lease noncurrent liabilities	Long-term debt	Long-term debt
Noncurrent finance lease liabilities	$ 8	$ 10