Quarterly report pursuant to Section 13 or 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS

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PENSION AND OTHER POSTRETIREMENT BENEFITS
 3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
PENSION AND OTHER POSTRETIREMENT BENEFITS
NOTE 3. PENSIONS AND OTHER POSTRETIREMENT BENEFITS
We sponsor funded and unfunded domestic and foreign defined benefit pension and other postretirement benefit (OPEB) plans. Contributions to these plans were as follows:
Three months ended
  March 31,
In millions 2024 2023
Defined benefit pension contributions $ 39  $ 88 
OPEB payments, net 9  4 
Defined contribution pension plans 48  43 
We anticipate making additional defined benefit pension contributions during the remainder of 2024 of $29 million for our U.S. and U.K. qualified and non-qualified pension plans. These contributions may be made from trusts or company funds either to increase pension assets or to make direct benefit payments to plan participants. We expect our 2024 annual net periodic pension cost to approximate $34 million.
The components of net periodic pension and OPEB expense (income) under our plans were as follows:
  Pension    
  U.S. Plans U.K. Plans OPEB
  Three months ended March 31,
In millions 2024 2023 2024 2023 2024 2023
Service cost $ 35  $ 29  $ 4  $ 4  $ —  $ — 
Interest cost 42  42  18  17  2  2 
Expected return on plan assets (72) (69) (25) (25) —  — 
Recognized net actuarial loss (gain) 3  2  3  —  (1) (1)
Net periodic benefit expense (income) $ 8  $ 4  $ —  $ (4) $ 1  $ 1