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Postretirement Benefit Plans (Tables)
3 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Components of net periodic benefit cost for all significant postretirement benefit plans
Components of net periodic benefit cost for all of our postretirement benefit plans are shown in the table below.
 Pension Benefit PlansOther Benefit Plans
 
Three Months Ended
June 30,
Three Months Ended
June 30,
in millions2024202320242023
Service cost $$$— $— 
Interest cost19 19 
Expected return on assets(19)(19)— — 
Amortization — losses, net— (1)— — 
Amortization — prior service credit, net(1)— (1)(1)
Net periodic benefit cost(1)
$$$— $— 
____________________
(1)Service cost is included within cost of goods sold (exclusive of depreciation and amortization) and selling, general and administrative expenses, while all other cost components are recorded within other expenses (income), net.
Contributions to employee benefit plans We contributed the following amounts to all plans.
 
Three Months Ended
June 30,
in millions20242023
Funded pension plans$23 $
Unfunded pension plans
Savings and defined contribution pension plans18 16 
Total contributions$45 $22