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 September 30,				Nine Months Ended September 30,
In millions	2024		2023		2024		2023
Service cost 1	$	6	$	6	$	21	$	19
Interest cost 2	20		26		62		75
Expected return on plan assets 3	(25)		(24)		(75)		(71)
Amortization of prior service credit 4	(1)		(1)		(2)		(2)
Amortization of unrecognized net loss 5	—		(1)		—		(2)
Curtailment/settlement 6	2		—		1		(2)
Net periodic benefit costs - Total	$	2	$	6	$	7	$	17
Less: Net periodic benefit credits - Discontinued operations	—		(2)		—		(6)
Net periodic benefit costs - Continuing operations	$	2	$	8	$	7	$	23

1.The service cost from continuing operations was $5 million and $16 million for the three and nine months ended September 30, 2023, respectively, for significant plans.

2.The interest cost from continuing operations was $24 million and $70 million for the three and nine months ended September 30, 2023, respectively, for significant plans.

3.The expected return on plan assets from continuing operations was $20 million and $58 million for the three and nine months ended September 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 nine months ended September 30, 2023, respectively, for significant plans.

5.The amortization of unrecognized net gain for significant plans from continuing operations was $1 million and $2 million for the three and nine months ended September 30, 2023, respectively, for significant plans.

6.The curtailment and settlement gain from continuing operations was less than a million and $2 million for the three and nine months ended September 30, 2023, respectively, for significant plans.