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PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)
9 Months Ended
Sep. 30, 2024
Retirement Benefits [Abstract]  
Schedule Benefit Plans Disclosures Cash Contributions Contributions to these plans were as follows:
Three months endedNine months ended
 September 30,September 30,
In millions2024202320242023
Defined benefit pension contributions$9 $$56 $102 
OPEB payments, net4 16 13 
Defined contribution pension plans27 29 101 102 
Components of net periodic pension and other postretirement benefit cost
The components of net periodic pension and OPEB expense (income) under our plans were as follows:
 Pension  
 U.S. PlansU.K. PlansOPEB
 Three months ended September 30,
In millions202420232024202320242023
Service cost$35 $29 $4 $$ $— 
Interest cost42 42 18 18 2 
Expected return on plan assets(72)(69)(26)(27) — 
Amortization of prior service cost — 1  — 
Recognized net actuarial loss (gain)3 3 — (1)(1)
Net periodic benefit expense (income)$8 $$ $(4)$1 $
 Pension
 U.S. PlansU.K. PlansOPEB
 Nine months ended September 30,
In millions202420232024202320242023
Service cost$106 $87 $13 $12 $ $— 
Interest cost125 126 53 53 5 
Expected return on plan assets(217)(207)(76)(79) — 
Amortization of prior service cost1 1  — 
Recognized net actuarial loss (gain)10 9 — (2)(2)
Net periodic benefit expense (income)$25 $13 $ $(13)$3 $