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Employee Benefit Plans
3 Months Ended
Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]  
Employee Benefit Plans Employee Benefit Plans
The following table provides the components of net periodic benefit income (in millions):
 Pension BenefitsRetiree Medical and Other
Postretirement Benefits
Three Months Ended March 31,2023202220232022
Service cost$— $$$
Interest cost190 139 12 
Expected return on assets(229)(285)(3)(3)
Amortization of:
Prior service cost (benefit)(3)(3)
Unrecognized net loss (gain)27 38 (9)(6)
Net periodic benefit income$(5)$(100)$— $(2)
Effective November 1, 2012, substantially all of our defined benefit pension plans were frozen.
The service cost component of net periodic benefit income is included in operating expenses and the other components of net periodic benefit income are included in nonoperating other income (expense), net in the condensed consolidated statements of operations.
During the three months ended March 31, 2023, we made required contributions of $67 million to our defined benefit pension plans.
American Airlines, Inc.  
Defined Benefit Plan Disclosure [Line Items]  
Employee Benefit Plans Employee Benefit Plans
The following table provides the components of net periodic benefit income (in millions):
 Pension BenefitsRetiree Medical and Other
Postretirement Benefits
Three Months Ended March 31,2023202220232022
Service cost$— $$$
Interest cost189 138 12 
Expected return on assets(228)(283)(3)(3)
Amortization of:
Prior service cost (benefit)(3)(3)
Unrecognized net loss (gain)27 38 (9)(6)
Net periodic benefit income$(5)$(99)$— $(2)
Effective November 1, 2012, substantially all of American’s defined benefit pension plans were frozen.
The service cost component of net periodic benefit income is included in operating expenses and the other components of net periodic benefit income are included in nonoperating other income (expense), net in the condensed consolidated statements of operations.
During the three months ended March 31, 2023, American made required contributions of $67 million to its defined benefit pension plans.