The following sets forth the components of the Company's net periodic benefit costs (credits) for defined benefit pension plans:


Net Periodic Benefit Costs for All Significant Plans	Three Months Ended June 30,				Six Months Ended June 30,
In millions	2024		2023		2024		2023
Service cost 1	$	6	$	4	$	15	$	13
Interest cost 2	22		25		42		49
Expected return on plan assets 3	(24)		(24)		(50)		(47)
Amortization of prior service credit 4	—		—		(1)		(1)
Amortization of unrecognized net loss 5	—		(1)		—		(1)
Curtailment/settlement 6	(1)		(1)		(1)		(2)
Net periodic benefit costs - Total	$	3	$	3	$	5	$	11
Less: Net periodic benefit credits - Discontinued operations	—		(2)		—		(4)
Net periodic benefit costs - Continuing operations	$	3	$	5	$	5	$	15

1.The service cost from continuing operations was $3 million and $11 million for the three and six months ended June 30, 2023, respectively, for significant plans.

2.The interest cost from continuing operations was $23 million and $46 million for the three and six months ended June 30, 2023, respectively, for significant plans.

3.The expected return on plan assets from continuing operations was $19 million and $38 million for the three and six months ended June 30, 2023, respectively, for significant plans.

4.The amortization of prior service credit from continuing operations was less than a million and $1 million for the three and six months ended June 30, 2023, respectively, for significant plans.

5.The amortization of unrecognized net gain for significant plans from continuing operations was $1 million for the three and six months ended June 30, 2023, respectively, for significant plans.

6.The curtailment and settlement gain from continuing operations was $1 million and $2 million for the three and six months ended June 30, 2023, respectively, for significant plans.