Leases - Supplemental information (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Supplemental balance sheet information
Balance sheet location for operating lease assets	Other assets	Other assets
Operating lease right-of-use assets	$ 443	$ 420
Balance sheet location for operating lease current liabilities	Other current liabilities	Other current liabilities
Current operating lease liabilities	$ 86	$ 80
Balance sheet location for operating lease noncurrent liabilities	Other liabilities	Other liabilities
Noncurrent operating lease liabilities	$ 360	$ 340
Balance sheet location for finance lease assets	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease ROU assets, net	$ 13	$ 14
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	$ 12	$ 12