XML 27 R15.htm IDEA: XBRL DOCUMENT v3.21.2
Retirement Plans
6 Months Ended
Jun. 30, 2021
Retirement Benefits [Abstract]  
Retirement Plans
8. Retirement Plans
Components of net periodic pension cost consisted of the following:
Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
 (In millions)
Service cost$13 $14 $27 $28 
Interest cost (a)14 19 28 37 
Expected return on plan assets (a)(49)(45)(99)(90)
Amortization of unrecognized net actuarial losses (a)13 12 28 24 
Settlement loss (a)— — 
Pension (income) expense (a)$(6)$— $(12)$(1)
(a)  Net non-service pension cost included in Other, net in the Statement of Consolidated Income for the three and six months ended June 30, 2021 was income of $19 million and $39 million, respectively, compared with income of $14 million and $29 million for the three and six months ended June 30, 2020, respectively.
In 2021, we expect to contribute approximately $10 million to our funded pension plans.