Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Schedule of Supplemental Balance Sheet Information

Supplemental balance sheet information related to leases is as follows:

(Millions of dollars)	March 31, 2019
Operating leases
Operating lease right-of-use assets	$	1,113
Other current liabilities	271
Other long-term liabilities	795
Total operating lease liabilities	$	1,066
Finance leases
Finance lease right-of-use assets	$	118
Current portion of long-term debt	30
Long-term debt	86
Total finance lease liabilities	$	116

Schedule of Supplemental Operating Lease Information

Supplemental operating lease information:

	March 31, 2019
Weighted average lease term (years)	7 years
Weighted average discount rate	2.78	%

Schedule of Future Operating Lease Payments

Future operating and financing lease payments as of March 31, 2019 are as follows (millions of dollars):

Period	Operating Leases			Finance Leases
Remaining 2019	$	261		$	22
2020	223			21
2021	176			17
2022	134			13
2023	90			7
Thereafter	244			66
Total future undiscounted lease payments	$	1,128		$	146
Less imputed interest	(62		)	(30		)
Total reported lease liability	$	1,066		$	116

Schedule of Future Financing Lease Payments

Future operating and financing lease payments as of March 31, 2019 are as follows (millions of dollars):

Period	Operating Leases			Finance Leases
Remaining 2019	$	261		$	22
2020	223			21
2021	176			17
2022	134			13
2023	90			7
Thereafter	244			66
Total future undiscounted lease payments	$	1,128		$	146
Less imputed interest	(62		)	(30		)
Total reported lease liability	$	1,066		$	116

Schedule of Future Operating Lease Payments

The amounts payable for operating leases were as follows:

(Millions of dollars)	Operating Leases
2019	$	305
2020	236
2021	186
2022	145
2023	102
Thereafter	326
	$	1,300