Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The following table presents additional information about our international pension plans.

	December 31
Millions of dollars	2023		2022
Amounts recognized on the Consolidated Balance Sheets
Other assets	$	39	$	151
Accrued employee compensation and benefits	10		7
Employee compensation and benefits	154		145
Pension plans in which projected benefit obligation exceeded plan assets
Projected benefit obligation	$	179	$	159
Fair value of plan assets	15		7
Pension plans in which accumulated benefit obligation exceeded plan assets
Accumulated benefit obligation	$	106	$	91
Fair value of plan assets	15		7

Schedule of Allocation of Plan Assets

The following table sets forth the fair values of assets held by our international pension plans by level within the fair value hierarchy.

Millions of dollars		Level 1		Level 2		Level 3		Net Asset Value (a)		Total
Cash and equivalents		$	29	$	234	$	—	$	—	$	263
Bond funds (b)		—		159		—		156		315
Real estate funds (d)		—		—		—		30		30
Other investments (e)		1		11		2		—		14
Fair value of plan assets at December 31, 2023		$	30	$	404	$	2	$	186	$	622
Cash and equivalents		$	26	$	100	$	—	$	—	$	126
Bond funds (b)		—		242		—		100		342
Alternatives funds (c)		—		—		—		145		145
Real estate funds (d)		—		—		—		31		31
Other investments (e)		1		18		2		—		21
Fair value of plan assets at December 31, 2022		$	27	$	360	$	2	$	276	$	665
(a)	Represents investments measured at fair value using the Net Asset Value (NAV) per share practical expedient and thus has not been categorized in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total value of our international pension plans assets.
(b)	Strategy of bond funds is to invest in diversified funds of fixed income securities of varying geographies and credit quality.
(c)	Strategy of alternative funds is to invest in a fund of diversifying investments, including but not limited to reinsurance, commodities, and currencies.
(d)	Strategy of real estate funds is to invest in diversified funds of real estate investment trusts and private real estate.
(e)	Other investments primarily include investments in insurance contracts, balanced funds, and government bonds.

Defined Benefit Plan, Assumptions

Certain weighted-average actuarial assumptions used to determine benefit obligations of our international pension plans at December 31 were as follows:

	2023	2022
Discount rate	5.1%	5.7%
Rate of compensation increase	5.6%	5.5%

Certain weighted-average actuarial assumptions used to determine net periodic benefit cost of our international pension plans for the years ended December 31 were as follows:

	2023	2022	2021
Discount rate	5.6%	2.3%	1.8%
Expected long-term return on plan assets	3.8%	3.0%	2.7%
Rate of compensation increase	5.4%	5.3%	5.9%