Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases

Summary of classification of finance leases in consolidated balance sheets

(Millions of dollars)			2021		2020
Finance lease right of use assets, net	Property, plant and equipment, net	$	128	$	92
Finance lease liabilities	Other current liabilities		23		10
Non-current finance lease liabilities	Other liabilities		104		78

Summary of components of lease cost

(Millions of dollars)		2021		2020
Operating lease cost	$	162	$	145
Finance lease cost:
Amortization of right of use assets		17		9
Interest on lease liabilities		5		4
Variable lease cost		20		8
Short-term lease cost		27		25
Sublease income		(8)		(6)
Total lease cost	$	223	$	185

Summary of maturities of lease liabilities

		Operating		Finance
(Millions of dollars)		Leases		Leases
2022	$	190	$	27
2023		151		27
2024		79		25
2025		52		17
2026		47		12
Thereafter		84		43
Total undiscounted lease payments		603		151
Less imputed interest		(72)		(24)
Total lease liability	$	531	$	127