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Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Schedule of components net periodic (benefit) cost
Employee benefit plans net periodic (benefit) cost
Pension BenefitsOther Postretirement and Postemployment Benefits
(in millions)2022202120222021
Three Months Ended March 31,
Service cost$— $— $18 $21 
Interest cost153 146 32 29 
Expected return on plan assets(330)(375)(4)(9)
Amortization of prior service credit— — (1)(2)
Recognized net actuarial loss64 89 13 15 
Net periodic (benefit) cost$(113)$(140)$58 $54